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. <image> At the request of a friend who started learning abacus, you decided to create a program to display the abacus beads. Create a program that takes a certain number as input and outputs a row of abacus beads. However, the number of digits of t...
instruction
0
84,111
5
168,222
"Correct Solution: ``` abacus = ["* = ****", "* =* ***", "* =** **", "* =*** *", "* =**** ", " *= ****", " *=* ***", " *=** **", " *=*** *", " *=**** "] first = False while 1: try: n = input() except EOFError: break if first: print() else: first = True n ...
output
1
84,111
5
168,223
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a positive integer n. Find a sequence of fractions (a_i)/(b_i), i = 1 … k (where a_i and b_i are positive integers) for some k such that: $$$ \begin{cases} $b_i$ divides $n$, $1 ...
instruction
0
84,266
5
168,532
No
output
1
84,266
5
168,533
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a positive integer n. Find a sequence of fractions (a_i)/(b_i), i = 1 … k (where a_i and b_i are positive integers) for some k such that: $$$ \begin{cases} $b_i$ divides $n$, $1 ...
instruction
0
84,267
5
168,534
No
output
1
84,267
5
168,535
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a positive integer n. Find a sequence of fractions (a_i)/(b_i), i = 1 … k (where a_i and b_i are positive integers) for some k such that: $$$ \begin{cases} $b_i$ divides $n$, $1 ...
instruction
0
84,268
5
168,536
No
output
1
84,268
5
168,537
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,635
5
169,270
Yes
output
1
84,635
5
169,271
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,636
5
169,272
Yes
output
1
84,636
5
169,273
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,637
5
169,274
Yes
output
1
84,637
5
169,275
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,638
5
169,276
Yes
output
1
84,638
5
169,277
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,639
5
169,278
No
output
1
84,639
5
169,279
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,640
5
169,280
No
output
1
84,640
5
169,281
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,641
5
169,282
No
output
1
84,641
5
169,283
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi. For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi. Input The...
instruction
0
84,642
5
169,284
No
output
1
84,642
5
169,285
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,862
5
169,724
"Correct Solution: ``` N = int(input()) A = [int(input()) for _ in range(N)] if A[0]: print(-1) exit() ans = 0 dp = A[-1] for a, b in zip(A[-2::-1], A[-1::-1]): if a == b - 1: continue elif a >= b: ans += dp dp = a else: print(-1) exit() print(ans + dp) ```
output
1
84,862
5
169,725
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,863
5
169,726
"Correct Solution: ``` n = int(input()) a = [int(input()) for i in range(n)] def check(): globals() s = 0 if a[0]!=0: return -1 for i in range(n-1): if a[i+1]<=a[i]: s+=a[i] if a[i+1]>a[i]+1: return -1 return s+a[-1] print(check()) ```
output
1
84,863
5
169,727
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,864
5
169,728
"Correct Solution: ``` N = int(input()) ans = 0 L = [] isok = True for i in range(N): n = int(input()) if n>i: isok = False L.append(n) for i in range(N-1): if L[i+1] <= L[i]: ans += L[i+1] elif L[i+1] == L[i]+1: ans += 1 elif L[i+1] > L[i]: isok=False break ...
output
1
84,864
5
169,729
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,865
5
169,730
"Correct Solution: ``` n=int(input()) a=[int(input())for i in range(n)] x,y=-1,-1 for i in a: if i-x>1:print(-1);exit() elif i==x+1:y+=1 else:y+=i x=i print(y) ```
output
1
84,865
5
169,731
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,866
5
169,732
"Correct Solution: ``` import sys input = sys.stdin.readline cur = -1 c = 0 for i in range(int(input())): pre,cur = cur,int(input()) if cur == 0: continue elif cur == pre + 1: c += 1 elif cur <= pre: c += cur else: print(-1) exit() print(c) ```
output
1
84,866
5
169,733
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,867
5
169,734
"Correct Solution: ``` n = int(input()) A = [int(input())for _ in range(n)] if A[0] != 0: print(-1) exit() ans = A[-1] for a, prev_a in reversed(tuple(zip(A, A[1:]))): if a == prev_a-1: continue if a < prev_a-1: print(-1) break ans += a else: print(ans) ```
output
1
84,867
5
169,735
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,868
5
169,736
"Correct Solution: ``` N = int(input()) A = [int(input()) for _ in range(N)] ok = True pre = -1 for i, a in enumerate(A): if a > pre + 1: ok = False break pre = a if not ok: print(-1) else: c = 0 for i in range(N-1): if A[i+1] != A[i] + 1: c += A[i+1] el...
output
1
84,868
5
169,737
Provide a correct Python 3 solution for this coding contest problem. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if we can make X equal to A by repeating the operation below...
instruction
0
84,869
5
169,738
"Correct Solution: ``` n = int(input()) a = [int(input()) for _i in range(n)] + [-1] result = -1 for i in range(n): if a[i-1] == a[i]: result += a[i] elif a[i-1] + 1 == a[i]: result += 1 elif a[i-1] > a[i]: result += a[i] else: result = -1 break print(result) ```
output
1
84,869
5
169,739
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,870
5
169,740
Yes
output
1
84,870
5
169,741
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,871
5
169,742
Yes
output
1
84,871
5
169,743
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,872
5
169,744
Yes
output
1
84,872
5
169,745
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,873
5
169,746
Yes
output
1
84,873
5
169,747
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,874
5
169,748
No
output
1
84,874
5
169,749
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,875
5
169,750
No
output
1
84,875
5
169,751
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,876
5
169,752
No
output
1
84,876
5
169,753
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence X of length N, where every element is initially 0. Let X_i denote the i-th element of X. You are given a sequence A of length N. The i-th element of A is A_i. Determine if w...
instruction
0
84,877
5
169,754
No
output
1
84,877
5
169,755
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a set consisting of N distinct integers. The i-th smallest element in this set is S_i. We want to divide this set into two sets, X and Y, such that: * The absolute difference of any tw...
instruction
0
84,916
5
169,832
No
output
1
84,916
5
169,833
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a set consisting of N distinct integers. The i-th smallest element in this set is S_i. We want to divide this set into two sets, X and Y, such that: * The absolute difference of any tw...
instruction
0
84,917
5
169,834
No
output
1
84,917
5
169,835
Provide a correct Python 3 solution for this coding contest problem. Example Input 4 Durett 7 Gayles 3 Facenda 6 Daughtery 0 1 + Mccourtney 2 Output Mccourtney is not working now. Durett is working hard now.
instruction
0
84,974
5
169,948
"Correct Solution: ``` from heapq import heappush, heappop, heapify import sys readline = sys.stdin.readline write = sys.stdout.write def solve(): N = int(readline()) P = []; Q = [] E = []; R = {} L = N + 20000 for i in range(N): s, a = readline().split(); a = int(a) * L + i E.appen...
output
1
84,974
5
169,949
Provide a correct Python 3 solution for this coding contest problem. E-training Nene is writing a program to look up $ N $ integers $ V_1, V_2, V_3, \ cdots, V_N $ for programming training. As told by his instructor, Umiko, Nene wrote a program to look up multiples of 2, 3, and 6. Multiples of 2 were $ A $, multipl...
instruction
0
84,975
5
169,950
"Correct Solution: ``` N, A, B, C = [int(x) for x in input().split()] ans = N - (A + B) + C print(ans) ```
output
1
84,975
5
169,951
Provide a correct Python 3 solution for this coding contest problem. E-training Nene is writing a program to look up $ N $ integers $ V_1, V_2, V_3, \ cdots, V_N $ for programming training. As told by his instructor, Umiko, Nene wrote a program to look up multiples of 2, 3, and 6. Multiples of 2 were $ A $, multipl...
instruction
0
84,976
5
169,952
"Correct Solution: ``` N,A,B,C=map(int,input().split()) print(N-A-B+C) ```
output
1
84,976
5
169,953
Provide a correct Python 3 solution for this coding contest problem. E-training Nene is writing a program to look up $ N $ integers $ V_1, V_2, V_3, \ cdots, V_N $ for programming training. As told by his instructor, Umiko, Nene wrote a program to look up multiples of 2, 3, and 6. Multiples of 2 were $ A $, multipl...
instruction
0
84,977
5
169,954
"Correct Solution: ``` n,a,b,c = map(int,input().split()) print(n - (a+b-c)) ```
output
1
84,977
5
169,955
Provide a correct Python 3 solution for this coding contest problem. E-training Nene is writing a program to look up $ N $ integers $ V_1, V_2, V_3, \ cdots, V_N $ for programming training. As told by his instructor, Umiko, Nene wrote a program to look up multiples of 2, 3, and 6. Multiples of 2 were $ A $, multipl...
instruction
0
84,978
5
169,956
"Correct Solution: ``` n, a, b, c = map(int, input().split()) print(n-(c+a-c+b-c)) ```
output
1
84,978
5
169,957
Provide a correct Python 3 solution for this coding contest problem. E-training Nene is writing a program to look up $ N $ integers $ V_1, V_2, V_3, \ cdots, V_N $ for programming training. As told by his instructor, Umiko, Nene wrote a program to look up multiples of 2, 3, and 6. Multiples of 2 were $ A $, multipl...
instruction
0
84,979
5
169,958
"Correct Solution: ``` n,a,b,c=map(int,input().split()) print((n+c)-(a+b)) ```
output
1
84,979
5
169,959
Provide a correct Python 3 solution for this coding contest problem. E-training Nene is writing a program to look up $ N $ integers $ V_1, V_2, V_3, \ cdots, V_N $ for programming training. As told by his instructor, Umiko, Nene wrote a program to look up multiples of 2, 3, and 6. Multiples of 2 were $ A $, multipl...
instruction
0
84,980
5
169,960
"Correct Solution: ``` n, a, b, c = map(int, input().split()) print(n-a-b+c) ```
output
1
84,980
5
169,961
Provide a correct Python 3 solution for this coding contest problem. E-training Nene is writing a program to look up $ N $ integers $ V_1, V_2, V_3, \ cdots, V_N $ for programming training. As told by his instructor, Umiko, Nene wrote a program to look up multiples of 2, 3, and 6. Multiples of 2 were $ A $, multipl...
instruction
0
84,981
5
169,962
"Correct Solution: ``` n,a,b,c=map(int,input().split());print(n-a-b+c) ```
output
1
84,981
5
169,963
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given a sequence $A = \\{a_0, a_1, ..., a_{n-1}\\}$, print the previous permutation and the next permutation in lexicographic order. Constraints * $1 \leq n \leq 9$ * $a_i$ consist of $1, ...
instruction
0
85,004
5
170,008
Yes
output
1
85,004
5
170,009
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given a sequence $A = \\{a_0, a_1, ..., a_{n-1}\\}$, print the previous permutation and the next permutation in lexicographic order. Constraints * $1 \leq n \leq 9$ * $a_i$ consist of $1, ...
instruction
0
85,006
5
170,012
Yes
output
1
85,006
5
170,013
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 consisting of n integers. You can choose any non-negative integer D (i.e. D ≥ 0), and for each a_i you can: * add D (only once), i. e. perform a_i...
instruction
0
85,082
5
170,164
Yes
output
1
85,082
5
170,165
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 consisting of n integers. You can choose any non-negative integer D (i.e. D ≥ 0), and for each a_i you can: * add D (only once), i. e. perform a_i...
instruction
0
85,086
5
170,172
No
output
1
85,086
5
170,173
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 consisting of n integers. You can choose any non-negative integer D (i.e. D ≥ 0), and for each a_i you can: * add D (only once), i. e. perform a_i...
instruction
0
85,087
5
170,174
No
output
1
85,087
5
170,175
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 consisting of n integers. You can choose any non-negative integer D (i.e. D ≥ 0), and for each a_i you can: * add D (only once), i. e. perform a_i...
instruction
0
85,088
5
170,176
No
output
1
85,088
5
170,177
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 consisting of n integers. You can choose any non-negative integer D (i.e. D ≥ 0), and for each a_i you can: * add D (only once), i. e. perform a_i...
instruction
0
85,089
5
170,178
No
output
1
85,089
5
170,179
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given four positive integers n, m, a, b (1 ≤ b ≤ n ≤ 50; 1 ≤ a ≤ m ≤ 50). Find any such rectangular matrix of size n × m that satisfies all of the following conditions: * each row of ...
instruction
0
85,159
5
170,318
Yes
output
1
85,159
5
170,319
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given four positive integers n, m, a, b (1 ≤ b ≤ n ≤ 50; 1 ≤ a ≤ m ≤ 50). Find any such rectangular matrix of size n × m that satisfies all of the following conditions: * each row of ...
instruction
0
85,161
5
170,322
Yes
output
1
85,161
5
170,323
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given four positive integers n, m, a, b (1 ≤ b ≤ n ≤ 50; 1 ≤ a ≤ m ≤ 50). Find any such rectangular matrix of size n × m that satisfies all of the following conditions: * each row of ...
instruction
0
85,162
5
170,324
Yes
output
1
85,162
5
170,325
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given four positive integers n, m, a, b (1 ≤ b ≤ n ≤ 50; 1 ≤ a ≤ m ≤ 50). Find any such rectangular matrix of size n × m that satisfies all of the following conditions: * each row of ...
instruction
0
85,164
5
170,328
No
output
1
85,164
5
170,329
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given four positive integers n, m, a, b (1 ≤ b ≤ n ≤ 50; 1 ≤ a ≤ m ≤ 50). Find any such rectangular matrix of size n × m that satisfies all of the following conditions: * each row of ...
instruction
0
85,165
5
170,330
No
output
1
85,165
5
170,331