message stringlengths 2 59.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 37 108k | cluster float64 20 20 | __index_level_0__ int64 74 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,607 | 20 | 31,214 |
Yes | output | 1 | 15,607 | 20 | 31,215 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,608 | 20 | 31,216 |
Yes | output | 1 | 15,608 | 20 | 31,217 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,609 | 20 | 31,218 |
Yes | output | 1 | 15,609 | 20 | 31,219 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,610 | 20 | 31,220 |
No | output | 1 | 15,610 | 20 | 31,221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,611 | 20 | 31,222 |
No | output | 1 | 15,611 | 20 | 31,223 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,612 | 20 | 31,224 |
No | output | 1 | 15,612 | 20 | 31,225 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,613 | 20 | 31,226 |
No | output | 1 | 15,613 | 20 | 31,227 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,666 | 20 | 31,332 |
Tags: greedy
Correct Solution:
```
a=list(map(int,input()))
ans=0
if a.index(1)!=0 or a.count(1)>1:
ans+=(a.count(1)+1)
a=a[::-1]
#print(ans)
ans+=a[:a.index(1)].count(0)+(a[a.index(1):].count(0))*2
print(ans)
``` | output | 1 | 15,666 | 20 | 31,333 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,667 | 20 | 31,334 |
Tags: greedy
Correct Solution:
```
x = list(map(int, input()))
cnt = 0
ans = 0
flag = 0
for i in range(1, len(x)):
if x[-i] == 0:
ans += 1
else:
if x[-i - 1] == 1:
if i == len(x) - 1:
cnt += 3
elif flag == 0:
cnt += 1
flag =... | output | 1 | 15,667 | 20 | 31,335 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,668 | 20 | 31,336 |
Tags: greedy
Correct Solution:
```
a = input()
if a == '1':
print(0)
exit()
ans = 0
if a.count('1') > 1:
ans = ans + a.count('1') + 1
a = a[::-1]
ans += a[:a.index('1')].count('0') + (a[a.index('1'):].count('0')) * 2
print(ans)
``` | output | 1 | 15,668 | 20 | 31,337 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,669 | 20 | 31,338 |
Tags: greedy
Correct Solution:
```
import bisect
from itertools import accumulate
import os
import sys
import math
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable... | output | 1 | 15,669 | 20 | 31,339 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,670 | 20 | 31,340 |
Tags: greedy
Correct Solution:
```
n = list(map(int,input()))
l = 0
count = 0
for i in range(len(n) - 1, -1, -1):
if n[i] == 0 and l==0:
count += 1
elif n[i] == 0 and l==1:
count += 2
elif n[i] == 1 and i != 0:
count += 1
l = 1
elif n[i] == 1 and l==1:
count += 2... | output | 1 | 15,670 | 20 | 31,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,671 | 20 | 31,342 |
Tags: greedy
Correct Solution:
```
# 92B
from sys import stdin
__author__ = 'artyom'
digits = list(stdin.readline().strip())
count = 0
for i in range(len(digits) - 1, 0, -1):
count += 1
if digits[i] == '1' and digits[i - 1] != '1':
digits[i - 1] = '1'
count += 1
if len(digits) > 1 and i == 1 and digits... | output | 1 | 15,671 | 20 | 31,343 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,672 | 20 | 31,344 |
Tags: greedy
Correct Solution:
```
a=input()[::-1].replace('',' ').split()
z=len(a)-1
ans=0
i=0
while i<z:
if a[i]=='0':
while i<z and a[i]=='0':i+=1;ans+=1
else:
ans+=1
while i<z and a[i]=='1':i+=1;ans+=1
if i==z:ans+=1
a[i]='1'
print(ans)
``` | output | 1 | 15,672 | 20 | 31,345 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from it. While x is not equal to 1, Fangy repeats the... | instruction | 0 | 15,673 | 20 | 31,346 |
Tags: greedy
Correct Solution:
```
x = input()
lx = len(x)
numop = 0
if x.endswith('0'):
f = x.rindex('1')
numop += lx - f - 1
lx = f + 1
if lx == 1:
print(numop)
else:
numop += x.count('0',0,lx) + lx + 1
print(numop)
``` | output | 1 | 15,673 | 20 | 31,347 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,674 | 20 | 31,348 |
Yes | output | 1 | 15,674 | 20 | 31,349 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,675 | 20 | 31,350 |
Yes | output | 1 | 15,675 | 20 | 31,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,676 | 20 | 31,352 |
Yes | output | 1 | 15,676 | 20 | 31,353 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,677 | 20 | 31,354 |
Yes | output | 1 | 15,677 | 20 | 31,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,678 | 20 | 31,356 |
No | output | 1 | 15,678 | 20 | 31,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,679 | 20 | 31,358 |
No | output | 1 | 15,679 | 20 | 31,359 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,680 | 20 | 31,360 |
No | output | 1 | 15,680 | 20 | 31,361 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations.
Fangy takes some positive integer x and wants to get a number one from i... | instruction | 0 | 15,681 | 20 | 31,362 |
No | output | 1 | 15,681 | 20 | 31,363 |
Provide a correct Python 3 solution for this coding contest problem.
In the International System of Units (SI), various physical quantities are expressed in the form of "numerical value + prefix + unit" using prefixes such as kilo, mega, and giga. For example, "3.5 kilometers", "5.1 milligrams", and so on.
On the oth... | instruction | 0 | 15,897 | 20 | 31,794 |
"Correct Solution:
```
m = {"yotta":24, "zetta":21, "exa":18, "peta":15, "tera":12, "giga":9, "mega":6, "kilo":3, "hecto":2, "deca":1, "deci":-1, "centi":-2, "milli":-3, "micro":-6, "nano":-9, "pico":-12, "femto":-15, "ato":-18, "zepto":-21, "yocto":-24}
for _ in range(int(input())):
v, *b = input().split()
if ... | output | 1 | 15,897 | 20 | 31,795 |
Provide a correct Python 3 solution for this coding contest problem.
In the International System of Units (SI), various physical quantities are expressed in the form of "numerical value + prefix + unit" using prefixes such as kilo, mega, and giga. For example, "3.5 kilometers", "5.1 milligrams", and so on.
On the oth... | instruction | 0 | 15,898 | 20 | 31,796 |
"Correct Solution:
```
dic = {
"yotta":24,
"zetta":21,
"exa" :18,
"peta" :15,
"tera" :12,
"giga" :9,
"mega" :6,
"kilo" :3,
"hecto":2,
"deca" :1,
"deci" :-1,
"centi":-2,
"milli":-3,
"micro":-6,
"nano" :-9,
"pico" :-12,
"femto":-15,
"ato" :-18,
"zepto":-21,
"yocto":-24
}
n = int... | output | 1 | 15,898 | 20 | 31,797 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In the International System of Units (SI), various physical quantities are expressed in the form of "numerical value + prefix + unit" using prefixes such as kilo, mega, and giga. For example, "3... | instruction | 0 | 15,899 | 20 | 31,798 |
No | output | 1 | 15,899 | 20 | 31,799 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,026 | 20 | 32,052 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
def f(x, y, d):
while d <= 0:
d += 10
ans = 10000
for i in range(10):
for j in range(10):
if (i * x + j * y) % 10 == d % 10 and i + j > 0:
ans = min(ans, i + j)
if ans == 10000:
return -1
... | output | 1 | 16,026 | 20 | 32,053 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,027 | 20 | 32,054 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
from sys import stdin
from sys import setrecursionlimit as SRL
SRL(10 ** 7)
rd = stdin.readline
rrd = lambda: map(int, rd().strip().split())
s = str(rd().strip())
ans = [[0] * 11 for _j in range(11)]
ddp = [[[100000] * 11 for _k in range(11)] for kk in ran... | output | 1 | 16,027 | 20 | 32,055 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,028 | 20 | 32,056 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
s = input()
pairs = {a + b: 0 for a in "0123456789" for b in "0123456789"}
for a, b in zip(s, s[1:]):
pairs[a+b] += 1
def solve(x, y, i, j):
ans = 20
for a in range(10):
for b in range(10):
if (i + a * x + b * y + x) % 10 == j:... | output | 1 | 16,028 | 20 | 32,057 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,029 | 20 | 32,058 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
from collections import*
s=*map(int,input()),
c=Counter((y-x)%10for x,y in zip(s,s[1:]))
r=[0]*100
for i in range(100):
a=[-1]*10;l=[0];k=0
while l:
m=[]
for x in l:
for j in(i//10,i%10):
y=(x+j)%10
if a[y]<0:a[y]=k;m+=y,
l=m;k+=1
for x in ... | output | 1 | 16,029 | 20 | 32,059 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,030 | 20 | 32,060 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
from collections import*
s=input()
c=Counter((ord(y)-ord(x))%10for x,y in zip(s,s[1:]))
r=[0]*100
for i in range(100):
a=[-1]*11;q=[10]
while q:
x=q.pop(0)
for j in(i//10,i%10):
y=(x+j)%10
if a[y]<0:a[y]=a[x]+1;q+=y,
for x in c:r[i]=-(0>r[i]|a[x]o... | output | 1 | 16,030 | 20 | 32,061 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,031 | 20 | 32,062 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
dist = []
for i in range(10):
t = []
for j in range(10):
t.append([32]*10)
dist.append(t)
for i in range(10):
for j in range(10):
row = dist[i][j]
for a in range(10):
for b in range(10):
val ... | output | 1 | 16,031 | 20 | 32,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,032 | 20 | 32,064 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
s=input()
mp=[0]*10
for i in range(1,len(s)):
x=(int(s[i])-int(s[i-1])+10)%10
mp[x]+=1
def tab(a,b):
tb=[1000]*10
for i in range(10):
for j in range(10):
if i==0 and j==0:
continue
x=(a*i+b*j)%10... | output | 1 | 16,032 | 20 | 32,065 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lowest digit and, after that, adds either x or y ... | instruction | 0 | 16,033 | 20 | 32,066 |
Tags: brute force, dp, shortest paths
Correct Solution:
```
def cover(t, x, y):
tar = []
for xc in range(100):
for yc in range(100):
if xc == 0 and yc == 0:
continue
if (xc * x + yc * y) % 10 == t:
tar.append(xc + yc)
if tar:
return min... | output | 1 | 16,033 | 20 | 32,067 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,034 | 20 | 32,068 |
Yes | output | 1 | 16,034 | 20 | 32,069 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,035 | 20 | 32,070 |
Yes | output | 1 | 16,035 | 20 | 32,071 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,036 | 20 | 32,072 |
Yes | output | 1 | 16,036 | 20 | 32,073 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,037 | 20 | 32,074 |
Yes | output | 1 | 16,037 | 20 | 32,075 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,038 | 20 | 32,076 |
No | output | 1 | 16,038 | 20 | 32,077 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,039 | 20 | 32,078 |
No | output | 1 | 16,039 | 20 | 32,079 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,040 | 20 | 32,080 |
No | output | 1 | 16,040 | 20 | 32,081 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have a special x-y-counter. This counter can store some value as a decimal number; at first, the counter has value 0.
The counter performs the following algorithm: it prints its lo... | instruction | 0 | 16,041 | 20 | 32,082 |
No | output | 1 | 16,041 | 20 | 32,083 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s with substrings equal to ti". For example, if s... | instruction | 0 | 16,336 | 20 | 32,672 |
Tags: dp
Correct Solution:
```
MOD = 1000000007
st,n,t,mp=input(),int(input()),[],{}
t.append(['',st])
for i in range(10):
mp[str(i)]=(10,i)
for i in range(n):
t.append(input().split("->"))
for i in range(n,-1,-1):
a,b=1,0
for j in t[i][1]:
a,b=a*mp[j][0]%MOD,(b*mp[j][0]+mp[j][1])%MOD
mp[t[i][0]]= a,b
print... | output | 1 | 16,336 | 20 | 32,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s with substrings equal to ti". For example, if s... | instruction | 0 | 16,337 | 20 | 32,674 |
Tags: dp
Correct Solution:
```
MOD = 1000000007
st,n,t,mp=input(),int(input()),[],{}
t.append(['',st])
for i in range(10):
mp[str(i)]=(10,i)
for i in range(n):
t.append(input().split("->"))
for i in range(n,-1,-1):
a,b=1,0
for j in t[i][1]:
a,b=a*mp[j][0]%MOD,(b*mp[j][0]+mp[j][1])%MOD
mp[t[i][0]]= a,b
print... | output | 1 | 16,337 | 20 | 32,675 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s with substrings equal to ti". For example, if s... | instruction | 0 | 16,338 | 20 | 32,676 |
Tags: dp
Correct Solution:
```
def main():
s = input()
n = int(input())
M = 1000000007
a = {str(s):[10, s] for s in range(10)}
d = [['_', s]] + [input().split('->') for _ in range(n)]
for di, ti in reversed(d):
_p = 1
_v = 0
for c in ti:
_v = (_v * a... | output | 1 | 16,338 | 20 | 32,677 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s with substrings equal to ti". For example, if s... | instruction | 0 | 16,339 | 20 | 32,678 |
Tags: dp
Correct Solution:
```
mod=pow(10,9)+7
def sub_and_eval(n):
if n=='':
return 0
ans=v[int(n[0])]
for i in range(1,len(n)):
ans=(d[int(n[i])]*ans+v[int(n[i])])%mod
return ans
def prod_d(n):
ans=1
for e in n:
ans=ans*d[int(e)]%mod
return ans
s=input()
v={i:i for ... | output | 1 | 16,339 | 20 | 32,679 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s with substrings equal to ti". For example, if s... | instruction | 0 | 16,340 | 20 | 32,680 |
Tags: dp
Correct Solution:
```
MOD = 10**9+7
s = input()
n = int(input())
qs = [['',s]]+[input().split('->') for i in range(n)]
ds = {}
for i in range(10):
ds[str(i)] = (10,i)
for i in range(n,-1,-1):
out = 0
mul = 1
for d in qs[i][1]:
out = (out * ds[d][0] + ds[d][1]) % MOD
mul = (mu... | output | 1 | 16,340 | 20 | 32,681 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s with substrings equal to ti". For example, if s... | instruction | 0 | 16,341 | 20 | 32,682 |
Tags: dp
Correct Solution:
```
m = 1000000007
p = [(0, input())] + [input().split('->') for i in range(int(input()))]
s = [(10, i) for i in range(10)]
for d, t in p[::-1]:
a, b = 1, 0
for q in t:
x, y = s[int(q)]
a, b = a * x % m, (b * x + y) % m
s[int(d)] = a, b
print(s[0][1])
``` | output | 1 | 16,341 | 20 | 32,683 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s ... | instruction | 0 | 16,342 | 20 | 32,684 |
No | output | 1 | 16,342 | 20 | 32,685 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s ... | instruction | 0 | 16,343 | 20 | 32,686 |
No | output | 1 | 16,343 | 20 | 32,687 |
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