message stringlengths 2 44.5k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 42 109k | cluster float64 5 5 | __index_level_0__ int64 84 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, find another array, b, of length n such that:
* for each i (1 ≤ i ≤ n) MEX(\\{b_1, b_2, …, b_i\})=a_i.
The MEX of a set of integers is the smallest non-negat... | instruction | 0 | 6,757 | 5 | 13,514 |
Yes | output | 1 | 6,757 | 5 | 13,515 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, find another array, b, of length n such that:
* for each i (1 ≤ i ≤ n) MEX(\\{b_1, b_2, …, b_i\})=a_i.
The MEX of a set of integers is the smallest non-negat... | instruction | 0 | 6,758 | 5 | 13,516 |
No | output | 1 | 6,758 | 5 | 13,517 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, find another array, b, of length n such that:
* for each i (1 ≤ i ≤ n) MEX(\\{b_1, b_2, …, b_i\})=a_i.
The MEX of a set of integers is the smallest non-negat... | instruction | 0 | 6,759 | 5 | 13,518 |
No | output | 1 | 6,759 | 5 | 13,519 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given an array a of length n, find another array, b, of length n such that:
* for each i (1 ≤ i ≤ n) MEX(\\{b_1, b_2, …, b_i\})=a_i.
The MEX of a set of integers is the smallest non-negat... | instruction | 0 | 6,760 | 5 | 13,520 |
No | output | 1 | 6,760 | 5 | 13,521 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,282 | 5 | 14,564 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
N,K=map(int,input().split())
A=[int(input()) for i in range(N)]
def seg_function(x,y): # Segment treeで扱うfunction
return max(x,y)
seg_el=1<<((300000).bit_length()) # Segment treeの台の要素数
SEG=[0]*(2*seg_el) # 1-indexedなので、要素数2*seg_el.Segment treeの初期値で初期化
... | output | 1 | 7,282 | 5 | 14,565 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,283 | 5 | 14,566 |
"Correct Solution:
```
import sys
read = sys.stdin.read
readline = sys.stdin.buffer.readline
sys.setrecursionlimit(10 ** 8)
INF = float('inf')
MOD = 10 ** 9 + 7
class SegTree:
def __init__(self, init_val, segfunc, ide_ele):
n = len(init_val)
self.segfunc = segfunc
self.ide_ele = ide_ele
... | output | 1 | 7,283 | 5 | 14,567 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,284 | 5 | 14,568 |
"Correct Solution:
```
class Segment_Tree():
"""
このプログラム内は1-index
"""
def __init__(self,L,calc,unit):
"""calcを演算とするリストLのSegment Treeを作成
calc:演算(2変数関数,モノイド)
unit:モノイドcalcの単位元 (xe=ex=xを満たすe)
"""
self.calc=calc
self.unit=unit
N=len(L)
d=max... | output | 1 | 7,284 | 5 | 14,569 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,285 | 5 | 14,570 |
"Correct Solution:
```
class SegTree:
X_unit = 0
X_f = max
def __init__(self, N):
self.N = N
self.X = [self.X_unit] * (N + N)
def build(self, seq):
for i, x in enumerate(seq, self.N):
self.X[i] = x
for i in range(self.N - 1, 0, -1):
self.X[i] =... | output | 1 | 7,285 | 5 | 14,571 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,286 | 5 | 14,572 |
"Correct Solution:
```
class SegmentTree:
def __init__(self, data, default=0, func=max):
self._default = default
self._func = func
self._len = len(data)
self._size = _size = 1 << (self._len - 1).bit_length()
self.data = [default] * (2 * _size)
self.data[_size:_size + ... | output | 1 | 7,286 | 5 | 14,573 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,287 | 5 | 14,574 |
"Correct Solution:
```
class SegmentTree:
_op = None
_e = None
_size = None
_offset = None
_data = None
def __init__(self, size, op, e):
self._op = op
self._e = e
self._size = size
t = 1
while t < size:
t *= 2
self._offset = t - 1
... | output | 1 | 7,287 | 5 | 14,575 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,288 | 5 | 14,576 |
"Correct Solution:
```
class Segtree():
def __init__(self, n):
self.num = 1 << (n - 1).bit_length()
self.tree = [0] * 2 * self.num
for i in range(self.num - 1, 0, -1):
self.tree[i] = max(self.tree[2 * i], self.tree[2 * i + 1])
def update(self, k, x):
k += self.num
... | output | 1 | 7,288 | 5 | 14,577 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) subsequence of A.
* For each pair of adjacents elements o... | instruction | 0 | 7,289 | 5 | 14,578 |
"Correct Solution:
```
class SegTree: # モノイドに対して適用可能、Nが2冪でなくても良い
def __init__(self,N,seg_func,unit):
self.N = 1 << (N-1).bit_length()
self.func = seg_func
self.unit = unit
self.tree = [self.unit]*(2*self.N)
def build(self,init_value): # 初期値を[N,2N)に格納
for i in range(l... | output | 1 | 7,289 | 5 | 14,579 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,290 | 5 | 14,580 |
Yes | output | 1 | 7,290 | 5 | 14,581 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,291 | 5 | 14,582 |
Yes | output | 1 | 7,291 | 5 | 14,583 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,292 | 5 | 14,584 |
Yes | output | 1 | 7,292 | 5 | 14,585 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,293 | 5 | 14,586 |
Yes | output | 1 | 7,293 | 5 | 14,587 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,294 | 5 | 14,588 |
No | output | 1 | 7,294 | 5 | 14,589 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,295 | 5 | 14,590 |
No | output | 1 | 7,295 | 5 | 14,591 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,296 | 5 | 14,592 |
No | output | 1 | 7,296 | 5 | 14,593 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence A_1, A_2, ..., A_N and an integer K.
Print the maximum possible length of a sequence B that satisfies the following conditions:
* B is a (not necessarily continuous) s... | instruction | 0 | 7,297 | 5 | 14,594 |
No | output | 1 | 7,297 | 5 | 14,595 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,302 | 5 | 14,604 |
"Correct Solution:
```
n,k,s = map(int, input().split())
if s < 10**9:
ans = [s+1] * n
else:
ans = [1]*n
ans[:k] = [s]*k
print(" ".join(map(str,ans)))
``` | output | 1 | 7,302 | 5 | 14,605 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,303 | 5 | 14,606 |
"Correct Solution:
```
n, k, s= map(int,input().split())
if s == 10**9:
ans = [s]*k+[1]*(n-k)
else:
ans = [s]*k+[s+1]*(n-k)
print(*ans)
``` | output | 1 | 7,303 | 5 | 14,607 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,304 | 5 | 14,608 |
"Correct Solution:
```
N,K,S=list(map(int, input().split()))
L=[0]*N
L[:K]=[S]*K
if S==10**9:
L[K:]=[1]*(N-K)
else:
L[K:]=[10**9]*(N-K)
print(*L)
``` | output | 1 | 7,304 | 5 | 14,609 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,305 | 5 | 14,610 |
"Correct Solution:
```
N, K, S = map(int, open(0).read().split())
fill = 10 ** 9 - 1 if S == 10 ** 9 else 10 ** 9
ans = [S] * K + [fill] * (N - K)
print(*ans)
``` | output | 1 | 7,305 | 5 | 14,611 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,306 | 5 | 14,612 |
"Correct Solution:
```
n, k, s = map(int, input().split())
a = [s] * k
b = [pow(10, 9) if not s == pow(10, 9) else 1] * (n - k)
print(" ".join(map(str, a + b)))
``` | output | 1 | 7,306 | 5 | 14,613 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,307 | 5 | 14,614 |
"Correct Solution:
```
n, k, s = map(int, input().split())
if s == 10**9:
ans = [10**9]*k+[1]*(n-k)
else:
ans = [s]*k+[s+1]*(n-k)
print(*ans)
``` | output | 1 | 7,307 | 5 | 14,615 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,308 | 5 | 14,616 |
"Correct Solution:
```
n,k,s=map(int,input().split())
a=[]
for i in range(k):
a.append(s)
for j in range(n-k):
a.append(s+1 if s==1 else s-1)
print(*a)
``` | output | 1 | 7,308 | 5 | 14,617 |
Provide a correct Python 3 solution for this coding contest problem.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions in Constraints, such a sequence always exists.
* There... | instruction | 0 | 7,309 | 5 | 14,618 |
"Correct Solution:
```
N,K,S = map(int,input().split())
w = 10**9
if S==w: w = 1
ans = [S]*K + [w]*(N-K)
print(*ans)
``` | output | 1 | 7,309 | 5 | 14,619 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,310 | 5 | 14,620 |
Yes | output | 1 | 7,310 | 5 | 14,621 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,311 | 5 | 14,622 |
Yes | output | 1 | 7,311 | 5 | 14,623 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,312 | 5 | 14,624 |
Yes | output | 1 | 7,312 | 5 | 14,625 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,313 | 5 | 14,626 |
Yes | output | 1 | 7,313 | 5 | 14,627 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,314 | 5 | 14,628 |
No | output | 1 | 7,314 | 5 | 14,629 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,315 | 5 | 14,630 |
No | output | 1 | 7,315 | 5 | 14,631 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,316 | 5 | 14,632 |
No | output | 1 | 7,316 | 5 | 14,633 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given are three integers N, K, and S.
Find a sequence A_1, A_2, ..., A_N of N integers between 1 and 10^9 (inclusive) that satisfies the condition below. We can prove that, under the conditions... | instruction | 0 | 7,317 | 5 | 14,634 |
No | output | 1 | 7,317 | 5 | 14,635 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,445 | 5 | 14,890 |
"Correct Solution:
```
def parser(left, right):
if S[left] == '(' and S[right - 1] == ')':
cnt = 0
for i in range(left + 1, right - 1):
if S[i] == '(':
cnt += 1
elif S[i] == ')':
cnt -= 1
elif cnt == 0 and S[i] == '+':
... | output | 1 | 7,445 | 5 | 14,891 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,446 | 5 | 14,892 |
"Correct Solution:
```
def parseParenthesis(formula):
pos = 0
count = 0
while True:
if formula[pos] == '(':
count += 1
elif formula[pos] == ')':
count -= 1
elif count == 1 and (formula[pos] == '+' or formula[pos] == '*'):
sign = formula[pos]
... | output | 1 | 7,446 | 5 | 14,893 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,447 | 5 | 14,894 |
"Correct Solution:
```
def parse_formula(s, pointer):
head = s[pointer]
if head == "-":
pointer += 1
result, pointer = parse_formula(s, pointer)
result = 2 - result
elif head == "(":
pointer += 1
result_left, pointer = parse_formula(s, pointer)
op, pointer = p... | output | 1 | 7,447 | 5 | 14,895 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,448 | 5 | 14,896 |
"Correct Solution:
```
def multi(a, b) :
if a == 0 :
return 0
elif a == 1 :
if b == 0 :
return 0
else :
return 1
else :
return b
def add(a, b) :
if a == 0 :
return b
elif a == 1 :
if b == 2 :
return 2
else :... | output | 1 | 7,448 | 5 | 14,897 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,449 | 5 | 14,898 |
"Correct Solution:
```
# AOJ 1155: How can I satisfy thee? Let me count
# Python3 2018.7.17 bal4u
def term(idx):
x, idx = factor(idx)
op = buf[idx]
y, idx = factor(idx+1);
if op == '*':
if x == 2 and y == 2: x = 2
elif x == 0 or y == 0: x = 0
else: x = 1
else:
if x =... | output | 1 | 7,449 | 5 | 14,899 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,450 | 5 | 14,900 |
"Correct Solution:
```
just_len = 60
import re
import collections
NUM = r'(?P<NUM>\d+)'
PLUS = r'(?P<PLUS>\+)'
MINUS = r'(?P<MINUS>-)'
TIMES = r'(?P<TIMES>\*)'
LPAREN = r'(?P<LPAREN>\()'
RPAREN = r'(?P<RPAREN>\))'
WS = r'(?P<WS>\s+)'
master_pattern = re.compile('|'.join((NUM, PLUS, MINUS, TIMES, LP... | output | 1 | 7,450 | 5 | 14,901 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,451 | 5 | 14,902 |
"Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
dd = [(0,-1),(1,0),(0,1),(-1,0)]
ddn = [(0,-1),(1,-1),(1,0),(1,1),(0,1),(-1,-1),(-1,0),(-1,1)]
def LI(): return [int... | output | 1 | 7,451 | 5 | 14,903 |
Provide a correct Python 3 solution for this coding contest problem.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0, 1 and 2 respectively.
Let "-" be a unary operator (i.e... | instruction | 0 | 7,452 | 5 | 14,904 |
"Correct Solution:
```
import re
# and
def and_def(a, b):
return str(min(int(a), int(b)))
# or
def or_def(a, b):
return str(max(int(a), int(b)))
# not
def not_def(a):
return str(2 - int(a))
def match(struct):
if re.fullmatch(r'\-[0,1,2]', struct):
return not_def(struct[-1])
if re.fullmatc... | output | 1 | 7,452 | 5 | 14,905 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0,... | instruction | 0 | 7,453 | 5 | 14,906 |
Yes | output | 1 | 7,453 | 5 | 14,907 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0,... | instruction | 0 | 7,454 | 5 | 14,908 |
Yes | output | 1 | 7,454 | 5 | 14,909 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Three-valued logic is a logic system that has, in addition to "true" and "false", "unknown" as a valid value. In the following, logical values "false", "unknown" and "true" are represented by 0,... | instruction | 0 | 7,455 | 5 | 14,910 |
Yes | output | 1 | 7,455 | 5 | 14,911 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
Define a function $ f $ that starts with $ 1 $ and takes a sequence of finite lengths as an argument as follows.
$ \ displaystyle f (\\ {a_1, a_2, \ ldots, a_n \\}) = \ sum_ {i = 1} ^ n {a_i} ^ i $
Given a sequence of length $ N $, $ X = \... | instruction | 0 | 7,504 | 5 | 15,008 |
"Correct Solution:
```
N = int(input())
X = list(map(int, input().split()))
ans = 0
mod = 998244353
for i, x in enumerate(X):
ans = (ans * 2 + x * pow(x+1, i, mod)) % mod
print(ans)
``` | output | 1 | 7,504 | 5 | 15,009 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence A = {a0, a1, ... , an-1}, find the length of the longest increasing subsequnece (LIS) in A.
An increasing subsequence of A is defined by a subsequence {ai0, ai1, ... , aik}... | instruction | 0 | 7,517 | 5 | 15,034 |
No | output | 1 | 7,517 | 5 | 15,035 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a given sequence A = {a0, a1, ... , an-1}, find the length of the longest increasing subsequnece (LIS) in A.
An increasing subsequence of A is defined by a subsequence {ai0, ai1, ... , aik}... | instruction | 0 | 7,519 | 5 | 15,038 |
No | output | 1 | 7,519 | 5 | 15,039 |
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