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 |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai to x.
Note that the initial values of ai (i = 0, 1, ... | instruction | 0 | 94,385 | 5 | 188,770 |
"Correct Solution:
```
INF = 10 ** 20
n, q = map(int, input().split())
size = 1
while size < n:
size *= 2
size = size * 2 - 1
seg_tree = [2 ** 31 - 1 for _ in range(size)]
def update(i, x):
ind = size // 2 + i
seg_tree[ind] = x
while ind:
ind = (ind - 1) // 2
ch1 = seg_tree[ind * 2 + 1]
ch2 = s... | output | 1 | 94,385 | 5 | 188,771 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai to x.
Note that the initial values of ai (i = 0, 1, ... | instruction | 0 | 94,386 | 5 | 188,772 |
"Correct Solution:
```
import math
class RMQ:
INF = 2**31 - 1
N = 0
def __init__(self, n_):
self.N = 1
RMQ.D = []
while self.N < n_:
self.N = 2 * self.N
for i in range((2*self.N)-1):
RMQ.D.append(RMQ.INF)
def update(self, k, x):
k += se... | output | 1 | 94,386 | 5 | 188,773 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai to x.
Note that the initial values of ai (i = 0, 1, ... | instruction | 0 | 94,387 | 5 | 188,774 |
"Correct Solution:
```
INF = 2**31-1
n, q = map(int, input().split())
size = 2**((n-1).bit_length())
seg_tree = [INF]*(size*2)
import sys
input = sys.stdin.readline
def update(i, x):
ind = size+i
seg_tree[ind] = x
while ind>1:
ind >>= 1
left = seg_tree[ind*2]
right = seg_tree[ind*2... | output | 1 | 94,387 | 5 | 188,775 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,388 | 5 | 188,776 |
Yes | output | 1 | 94,388 | 5 | 188,777 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,389 | 5 | 188,778 |
Yes | output | 1 | 94,389 | 5 | 188,779 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,390 | 5 | 188,780 |
Yes | output | 1 | 94,390 | 5 | 188,781 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,391 | 5 | 188,782 |
Yes | output | 1 | 94,391 | 5 | 188,783 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,392 | 5 | 188,784 |
No | output | 1 | 94,392 | 5 | 188,785 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,393 | 5 | 188,786 |
No | output | 1 | 94,393 | 5 | 188,787 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,394 | 5 | 188,788 |
No | output | 1 | 94,394 | 5 | 188,789 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which manipulates a sequence A = {a0, a1, . . . , an-1} with the following operations:
* find(s, t): report the minimum element in as, as+1, . . . ,at.
* update(i, x): change ai... | instruction | 0 | 94,395 | 5 | 188,790 |
No | output | 1 | 94,395 | 5 | 188,791 |
Provide a correct Python 3 solution for this coding contest problem.
Find the number, modulo 998244353, of sequences of length N consisting of 0, 1 and 2 such that none of their contiguous subsequences totals to X.
Constraints
* 1 \leq N \leq 3000
* 1 \leq X \leq 2N
* N and X are integers.
Input
Input is given fro... | instruction | 0 | 95,903 | 5 | 191,806 |
"Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().rstrip()
N, X = map(int, input().split())
P = 998244353
A = [[0] * (2*i+1) for i in range(N+1)] # A[i][j] is the number of permutations of 1's and 2's whose length is i and whose sum is j
A[0][0] = 1
B = [0] * (N + 1) # B[i] is the number of permut... | output | 1 | 95,903 | 5 | 191,807 |
Provide a correct Python 3 solution for this coding contest problem.
Find the number, modulo 998244353, of sequences of length N consisting of 0, 1 and 2 such that none of their contiguous subsequences totals to X.
Constraints
* 1 \leq N \leq 3000
* 1 \leq X \leq 2N
* N and X are integers.
Input
Input is given fro... | instruction | 0 | 95,904 | 5 | 191,808 |
"Correct Solution:
```
"""
Writer: SPD_9X2
https://atcoder.jp/contests/tenka1-2019/tasks/tenka1_2019_f
Xが偶数か奇数かは重要な気がする
長さL(<=N)の1,2で構成された文字列の問題、に変換できる
O(L)で求められばおｋ
dpか？
X == 1なら、0,2のみで構成されてればおｋ
X == 2なら、1が2つ以上入っていたら不可能 0 & 1が1つまで
X == 3なら、2を入れる場合→1は入れられないが、2を好きなだけ入れていい
入れない場合→1を2個まで入れられる
X == 4なら、
→やはり偶... | output | 1 | 95,904 | 5 | 191,809 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number, modulo 998244353, of sequences of length N consisting of 0, 1 and 2 such that none of their contiguous subsequences totals to X.
Constraints
* 1 \leq N \leq 3000
* 1 \leq X \l... | instruction | 0 | 95,905 | 5 | 191,810 |
No | output | 1 | 95,905 | 5 | 191,811 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number, modulo 998244353, of sequences of length N consisting of 0, 1 and 2 such that none of their contiguous subsequences totals to X.
Constraints
* 1 \leq N \leq 3000
* 1 \leq X \l... | instruction | 0 | 95,906 | 5 | 191,812 |
No | output | 1 | 95,906 | 5 | 191,813 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number, modulo 998244353, of sequences of length N consisting of 0, 1 and 2 such that none of their contiguous subsequences totals to X.
Constraints
* 1 \leq N \leq 3000
* 1 \leq X \l... | instruction | 0 | 95,907 | 5 | 191,814 |
No | output | 1 | 95,907 | 5 | 191,815 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number, modulo 998244353, of sequences of length N consisting of 0, 1 and 2 such that none of their contiguous subsequences totals to X.
Constraints
* 1 \leq N \leq 3000
* 1 \leq X \l... | instruction | 0 | 95,908 | 5 | 191,816 |
No | output | 1 | 95,908 | 5 | 191,817 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,974 | 5 | 191,948 |
Yes | output | 1 | 95,974 | 5 | 191,949 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,975 | 5 | 191,950 |
Yes | output | 1 | 95,975 | 5 | 191,951 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,976 | 5 | 191,952 |
Yes | output | 1 | 95,976 | 5 | 191,953 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,977 | 5 | 191,954 |
Yes | output | 1 | 95,977 | 5 | 191,955 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,978 | 5 | 191,956 |
No | output | 1 | 95,978 | 5 | 191,957 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,979 | 5 | 191,958 |
No | output | 1 | 95,979 | 5 | 191,959 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,980 | 5 | 191,960 |
No | output | 1 | 95,980 | 5 | 191,961 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `... | instruction | 0 | 95,981 | 5 | 191,962 |
No | output | 1 | 95,981 | 5 | 191,963 |
Provide a correct Python 3 solution for this coding contest problem.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $k... | instruction | 0 | 96,064 | 5 | 192,128 |
"Correct Solution:
```
q = int(input())
M = {}
for i in range(q):
query= input().split()
if query[0] == "0":
M[query[1]] = query[2]
else:
print(M[query[1]])
``` | output | 1 | 96,064 | 5 | 192,129 |
Provide a correct Python 3 solution for this coding contest problem.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $k... | instruction | 0 | 96,066 | 5 | 192,132 |
"Correct Solution:
```
M = {}
q = int(input())
for _ in range(q):
command, *list_num = input().split()
if command == "0":
# insert(key, x)
key = list_num[0]
x = int(list_num[1])
M[key] = x
elif command == "1":
# get(key)
key = list_num[0... | output | 1 | 96,066 | 5 | 192,133 |
Provide a correct Python 3 solution for this coding contest problem.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $k... | instruction | 0 | 96,067 | 5 | 192,134 |
"Correct Solution:
```
dic = {}
for i in range(int(input())):
query = input().split()
if query[0] == '0': dic[query[1]] = query[2]
else: print(dic[query[1]])
``` | output | 1 | 96,067 | 5 | 192,135 |
Provide a correct Python 3 solution for this coding contest problem.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $k... | instruction | 0 | 96,068 | 5 | 192,136 |
"Correct Solution:
```
import sys
n = int(input())
dic = {}
for i in range(n):
a, b, *c = sys.stdin.readline().split()
if a == '0':
dic[b] = int(c[0])
else:
print(dic[b])
``` | output | 1 | 96,068 | 5 | 192,137 |
Provide a correct Python 3 solution for this coding contest problem.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $k... | instruction | 0 | 96,069 | 5 | 192,138 |
"Correct Solution:
```
d = {}
for _ in range(int(input())):
op, key, x = (input().split() + [''])[:3]
if op == '0':
d[key] = x
else:
print(d[key])
``` | output | 1 | 96,069 | 5 | 192,139 |
Provide a correct Python 3 solution for this coding contest problem.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $k... | instruction | 0 | 96,070 | 5 | 192,140 |
"Correct Solution:
```
q = int(input())
dict = {}
for i in range(q):
a = input().split()
if a[0] == "0":
dict[a[1]] = a[2]
elif a[0] == "1":
print(dict[a[1]])
``` | output | 1 | 96,070 | 5 | 192,141 |
Provide a correct Python 3 solution for this coding contest problem.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $k... | instruction | 0 | 96,071 | 5 | 192,142 |
"Correct Solution:
```
def main():
q = int(input())
d = {}
for i in range(q):
query = input()
cmd = int(query[0])
if cmd == 0:
_, k, v = query.split(' ')
v = int(v)
d[k] = v
elif cmd == 1:
_, k = query.split(' ')
v =... | output | 1 | 96,071 | 5 | 192,143 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* inse... | instruction | 0 | 96,072 | 5 | 192,144 |
Yes | output | 1 | 96,072 | 5 | 192,145 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* inse... | instruction | 0 | 96,073 | 5 | 192,146 |
Yes | output | 1 | 96,073 | 5 | 192,147 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* inse... | instruction | 0 | 96,074 | 5 | 192,148 |
Yes | output | 1 | 96,074 | 5 | 192,149 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* inse... | instruction | 0 | 96,075 | 5 | 192,150 |
Yes | output | 1 | 96,075 | 5 | 192,151 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,133 | 5 | 192,266 |
Yes | output | 1 | 96,133 | 5 | 192,267 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,134 | 5 | 192,268 |
Yes | output | 1 | 96,134 | 5 | 192,269 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,135 | 5 | 192,270 |
Yes | output | 1 | 96,135 | 5 | 192,271 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,136 | 5 | 192,272 |
Yes | output | 1 | 96,136 | 5 | 192,273 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,137 | 5 | 192,274 |
No | output | 1 | 96,137 | 5 | 192,275 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,138 | 5 | 192,276 |
No | output | 1 | 96,138 | 5 | 192,277 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,139 | 5 | 192,278 |
No | output | 1 | 96,139 | 5 | 192,279 |
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 s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment — is a consecutive sequence of elements) (in other words, you have to pl... | instruction | 0 | 96,140 | 5 | 192,280 |
No | output | 1 | 96,140 | 5 | 192,281 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got two numbers. As long as they are both larger than zero, they go through the same operation: subtract the lesser number from the larger one. If they equal substract one number from the... | instruction | 0 | 96,430 | 5 | 192,860 |
Yes | output | 1 | 96,430 | 5 | 192,861 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got two numbers. As long as they are both larger than zero, they go through the same operation: subtract the lesser number from the larger one. If they equal substract one number from the... | instruction | 0 | 96,431 | 5 | 192,862 |
Yes | output | 1 | 96,431 | 5 | 192,863 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got two numbers. As long as they are both larger than zero, they go through the same operation: subtract the lesser number from the larger one. If they equal substract one number from the... | instruction | 0 | 96,432 | 5 | 192,864 |
Yes | output | 1 | 96,432 | 5 | 192,865 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got two numbers. As long as they are both larger than zero, they go through the same operation: subtract the lesser number from the larger one. If they equal substract one number from the... | instruction | 0 | 96,433 | 5 | 192,866 |
Yes | output | 1 | 96,433 | 5 | 192,867 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got two numbers. As long as they are both larger than zero, they go through the same operation: subtract the lesser number from the larger one. If they equal substract one number from the... | instruction | 0 | 96,434 | 5 | 192,868 |
No | output | 1 | 96,434 | 5 | 192,869 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got two numbers. As long as they are both larger than zero, they go through the same operation: subtract the lesser number from the larger one. If they equal substract one number from the... | instruction | 0 | 96,435 | 5 | 192,870 |
No | output | 1 | 96,435 | 5 | 192,871 |
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