message stringlengths 2 28.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 21 109k | cluster float64 7 7 | __index_level_0__ int64 42 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,066 | 7 | 188,132 |
Yes | output | 1 | 94,066 | 7 | 188,133 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,067 | 7 | 188,134 |
Yes | output | 1 | 94,067 | 7 | 188,135 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,068 | 7 | 188,136 |
Yes | output | 1 | 94,068 | 7 | 188,137 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,069 | 7 | 188,138 |
Yes | output | 1 | 94,069 | 7 | 188,139 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,070 | 7 | 188,140 |
No | output | 1 | 94,070 | 7 | 188,141 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,071 | 7 | 188,142 |
No | output | 1 | 94,071 | 7 | 188,143 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,072 | 7 | 188,144 |
No | output | 1 | 94,072 | 7 | 188,145 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The Easter Rabbit laid n eggs in a circle and is about to paint them.
Each egg should be painted one color out of 7: red, orange, yellow, green, blue, indigo or violet. Also, the following con... | instruction | 0 | 94,073 | 7 | 188,146 |
No | output | 1 | 94,073 | 7 | 188,147 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,147 | 7 | 188,294 |
"Correct Solution:
```
n,m,k = map(int,input().split())
mod = 998244353
ans = 0
fact = [1,1]
finv = [1,1]
for i in range(2, n+1):
fact += [fact[i-1] * i % mod]
finv += [pow(fact[i], mod-2, mod)]
def comb(n,k, mod):
return (fact[n] * finv[k] * finv[n-k]) % mod
for i in range(0, k+1):
ans += m * pow(... | output | 1 | 94,147 | 7 | 188,295 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,148 | 7 | 188,296 |
"Correct Solution:
```
MOD = 998244353
FACT_MAX = 2 * 10 ** 5
fact = [1] * FACT_MAX
for i in range(1, FACT_MAX):
fact[i] = fact[i - 1] * i % MOD
def comb(n, r):
return fact[n] * pow(fact[n - r], MOD - 2, MOD) * pow(fact[r], MOD - 2, MOD) % MOD
N, M, K = map(int, input().split())
total = 0
for k in range(K + 1):... | output | 1 | 94,148 | 7 | 188,297 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,149 | 7 | 188,298 |
"Correct Solution:
```
def cmb(n,r,mod):
if r<0 or r>n:return 0
r=min(r,n-r)
return g1[n]*g2[r]*g2[n-r]%mod
mod=998244353
n,m,k=map(int,input().split())
g1=[1,1]
g2=[1,1]
inverse=[0,1]
for i in range(2,n):
g1.append((g1[-1]*i)%mod)
inverse.append((-inverse[mod%i]*(mod//i))%mod)
g2.append((g2[... | output | 1 | 94,149 | 7 | 188,299 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,150 | 7 | 188,300 |
"Correct Solution:
```
MOD = 998244353
fac = [1] * (3 * 10 ** 5)
for i in range(len(fac) - 1):
fac[i + 1] = fac[i] * (i + 1) % MOD
def comb(n, k):
return fac[n] * pow(fac[n - k], MOD - 2, MOD) * pow(fac[k], MOD - 2, MOD) % MOD
n, m, k = map(int, input().split())
ans = 0
for a in range(n, n - k - 1, -1):
... | output | 1 | 94,150 | 7 | 188,301 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,151 | 7 | 188,302 |
"Correct Solution:
```
n, m, k = map(int, input().split())
MOD = 998244353
ans = 0
c = 1
for i in range(k + 1):
ans = (ans + m * pow(m - 1, n - i - 1, MOD) * c) % MOD
c = (c * (n - 1 - i) * pow(i + 1, MOD - 2, MOD)) % MOD
# print(f"{ans = }, {c = }")
print(ans)
``` | output | 1 | 94,151 | 7 | 188,303 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,152 | 7 | 188,304 |
"Correct Solution:
```
def main():
n, m, k = map(int, input().split())
MOD = 998244353
ans = 0
c = 1
for i in range(k + 1):
ans += (((m * pow(m - 1, n - i - 1, MOD)) % MOD) * c) % MOD
ans %= MOD
c = (c * (n - 1 - i) * pow(i + 1, MOD - 2, MOD)) % MOD
pri... | output | 1 | 94,152 | 7 | 188,305 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,153 | 7 | 188,306 |
"Correct Solution:
```
n,m,k=map(int,input().split())
mod=998244353
if m==1:print(0 if k!=n-1 else 1);exit()
fact=[1]*(n-1+1)
inv=[1]*(n-1+1)
for i in range(2,n-1+1):
fact[i]=i*fact[i-1]%mod
inv[-1]=pow(fact[-1],mod-2,mod)
for i in range(n-1,1,-1):
inv[i-1]=inv[i]*i%mod
ans=0
po=pow(m-1,n-1,mod)*m%mod
ue=fact[n... | output | 1 | 94,153 | 7 | 188,307 |
Provide a correct Python 3 solution for this coding contest problem.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two ways.
Find the number of ways to paint the blocks unde... | instruction | 0 | 94,154 | 7 | 188,308 |
"Correct Solution:
```
N, M, K = map(int, input().split())
mod = 998244353
fact = [1 for i in range(N+1)]
fact_inv = [1 for i in range(N+1)]
for i in range(1, N+1):
fact[i] = fact[i-1] * i %mod
fact_inv[i] = pow(fact[i], mod-2, mod)
ans = 0
for k in range(K+1):
x = M *pow(M-1, N-1-k, mod) *fact[N-1] *fact... | output | 1 | 94,154 | 7 | 188,309 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,155 | 7 | 188,310 |
Yes | output | 1 | 94,155 | 7 | 188,311 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,156 | 7 | 188,312 |
Yes | output | 1 | 94,156 | 7 | 188,313 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,157 | 7 | 188,314 |
Yes | output | 1 | 94,157 | 7 | 188,315 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,158 | 7 | 188,316 |
Yes | output | 1 | 94,158 | 7 | 188,317 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,159 | 7 | 188,318 |
No | output | 1 | 94,159 | 7 | 188,319 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,160 | 7 | 188,320 |
No | output | 1 | 94,160 | 7 | 188,321 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,161 | 7 | 188,322 |
No | output | 1 | 94,161 | 7 | 188,323 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N blocks arranged in a row. Let us paint these blocks.
We will consider two ways to paint the blocks different if and only if there is a block painted in different colors in those two... | instruction | 0 | 94,162 | 7 | 188,324 |
No | output | 1 | 94,162 | 7 | 188,325 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n integers. You need to choose a subset and put the chosen numbers in a beautiful rectangle (rectangular matrix). Each chosen number should occupy one of its rectangle cells, each cell must be filled with exactly one chosen num... | instruction | 0 | 94,495 | 7 | 188,990 |
Tags: brute force, combinatorics, constructive algorithms, data structures, greedy, math
Correct Solution:
```
def play(arr):
n = len(arr)
number2Count = {}
for p in arr:
number2Count[p] = number2Count.get(p, 0) + 1
count2Numbers = {}
maxCnt = 0
for num in number2Count:
cnt ... | output | 1 | 94,495 | 7 | 188,991 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,668 | 7 | 189,336 |
Tags: implementation
Correct Solution:
```
input()
s=list(input())
c = 0
for i in range(len(s)-1):
if s[i] == s[i+1]:
c=c+1
print(c)
``` | output | 1 | 94,668 | 7 | 189,337 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,669 | 7 | 189,338 |
Tags: implementation
Correct Solution:
```
n = input()
s = input()
a = 0
p = 'C'
for letter in s:
if letter == p:
a +=1
else:
p = letter
print(a)
``` | output | 1 | 94,669 | 7 | 189,339 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,670 | 7 | 189,340 |
Tags: implementation
Correct Solution:
```
n = int(input())
s = input()
ptr1 = 0
ptr2 = 1
cnt = 0
while ptr1 < n and ptr2 < n:
while ptr2 < n and s[ptr1] == s[ptr2]:
ptr2 += 1
cnt += 1
ptr1 = ptr2
ptr2 += 1
print(cnt)
``` | output | 1 | 94,670 | 7 | 189,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,671 | 7 | 189,342 |
Tags: implementation
Correct Solution:
```
n=int(input())
k=input()
count=0
for i in range(len(k)-1):
if k[i]==k[i+1]:
count=count+1
print(count)
``` | output | 1 | 94,671 | 7 | 189,343 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,672 | 7 | 189,344 |
Tags: implementation
Correct Solution:
```
l = int(input())
inp = list(input())
p = inp[0]
c = ''
n = 0
for i in range(l):
if(i==0):
continue
c=inp[i]
if(c==p):
n+=1
else:
p=c
print(n)
``` | output | 1 | 94,672 | 7 | 189,345 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,673 | 7 | 189,346 |
Tags: implementation
Correct Solution:
```
n=int(input())
f=str(input())
count=0
for i in range(len(f)-1):
if(f[i]==f[i+1]):
count+=1
print(count)
``` | output | 1 | 94,673 | 7 | 189,347 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,674 | 7 | 189,348 |
Tags: implementation
Correct Solution:
```
n = int(input())
s = str(input())
current = "P"
result = 0
for i in s:
if i != current:
current = i
else:
result+=1
print(result)
``` | output | 1 | 94,674 | 7 | 189,349 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different colors. Stones in a row are considered neighboring i... | instruction | 0 | 94,675 | 7 | 189,350 |
Tags: implementation
Correct Solution:
```
n = int(input())
s = [i for i in input()]
count = 0
for i in range(0,n-1):
if s[i] == s[i+1]:
count += 1
print(count)
``` | output | 1 | 94,675 | 7 | 189,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,676 | 7 | 189,352 |
Yes | output | 1 | 94,676 | 7 | 189,353 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,677 | 7 | 189,354 |
Yes | output | 1 | 94,677 | 7 | 189,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,678 | 7 | 189,356 |
Yes | output | 1 | 94,678 | 7 | 189,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,679 | 7 | 189,358 |
Yes | output | 1 | 94,679 | 7 | 189,359 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,680 | 7 | 189,360 |
No | output | 1 | 94,680 | 7 | 189,361 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,681 | 7 | 189,362 |
No | output | 1 | 94,681 | 7 | 189,363 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,682 | 7 | 189,364 |
No | output | 1 | 94,682 | 7 | 189,365 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n stones on the table in a row, each of them can be red, green or blue. Count the minimum number of stones to take from the table so that any two neighboring stones had different color... | instruction | 0 | 94,683 | 7 | 189,366 |
No | output | 1 | 94,683 | 7 | 189,367 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,784 | 7 | 189,568 |
Tags: brute force, dp, implementation
Correct Solution:
```
n = int(input())
stripe = list(input())
for i in range(n):
stripe[i] = int(stripe[i])
w = 0
b = 0
for i in range(n):
if i % 2 == stripe[i] - 0:
w += 1
else:
b += 1
answer = min (w, b)
print(answer)
``` | output | 1 | 94,784 | 7 | 189,569 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,785 | 7 | 189,570 |
Tags: brute force, dp, implementation
Correct Solution:
```
n=int(input())
s=input()
t=0
for i in range(n):
if (i+1)%2==0 and s[i]=="1" or (i+1)%2==1 and s[i]=="0":
t+=1
print(min(t,n-t))
``` | output | 1 | 94,785 | 7 | 189,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,786 | 7 | 189,572 |
Tags: brute force, dp, implementation
Correct Solution:
```
import sys
from array import array # noqa: F401
from itertools import product
def input():
return sys.stdin.buffer.readline().decode('utf-8')
n = int(input())
s = list(map(int, input().rstrip()))
if n <= 2:
if n == 1 or s[0] != s[1]:
prin... | output | 1 | 94,786 | 7 | 189,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,787 | 7 | 189,574 |
Tags: brute force, dp, implementation
Correct Solution:
```
n = int(input())
s = input()
l = []
for i in range(n):
l.append(int(s[i]))
ans = 0
for i in range(1, n):
if l[i] == l[i-1]:
l[i] ^= 1
ans = ans+1
print(min(ans, n-ans))
# Made By Mostafa_Khaled
``` | output | 1 | 94,787 | 7 | 189,575 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,788 | 7 | 189,576 |
Tags: brute force, dp, implementation
Correct Solution:
```
input()
a = list(input())
l = len(a)
if l % 2 == 0:
s = list("10" * (l // 2))
d = list("01" * (l // 2))
else:
s = list("10" * (l // 2) + "1")
d = list("01" * (l // 2) + "0")
d_s = 0
d_d = 0
for i in range(len(a)):
if a[i] != s[i]:
d... | output | 1 | 94,788 | 7 | 189,577 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,789 | 7 | 189,578 |
Tags: brute force, dp, implementation
Correct Solution:
```
n = int(input())
s = input()
l = []
for i in range(n):
l.append(int(s[i]))
ans = 0
for i in range(1, n):
if l[i] == l[i-1]:
l[i] ^= 1
ans = ans+1
print(min(ans, n-ans))
``` | output | 1 | 94,789 | 7 | 189,579 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,790 | 7 | 189,580 |
Tags: brute force, dp, implementation
Correct Solution:
```
n = int(input())
seq = input()
seq = [int(x) for x in seq]
count = [[0,0],[0,0]]
for i in range(n):
count[i%2][seq[i]] += 1
m1 = count[0][1] + count[1][0]
m2 = count[0][0] + count[1][1]
print(min(m1,m2))
``` | output | 1 | 94,790 | 7 | 189,581 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose any two neighboring squares of one color and rep... | instruction | 0 | 94,791 | 7 | 189,582 |
Tags: brute force, dp, implementation
Correct Solution:
```
n=int(input())
def hamming(a,b):
global n
ret=0
for i in range(n):
ret+=int(a[i]!=b[i])
return ret
s=input()
a=['0' if q%2==0 else '1' for q in range(n)]
b=['0' if q%2==1 else '1' for q in range(n)]
print(min(hamming(s,a),hamming(s,b)))
``` | output | 1 | 94,791 | 7 | 189,583 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya and Petya have invented a new game. Vasya takes a stripe consisting of 1 × n square and paints the squares black and white. After that Petya can start moves — during a move he may choose a... | instruction | 0 | 94,792 | 7 | 189,584 |
Yes | output | 1 | 94,792 | 7 | 189,585 |
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