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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is the easy version of the problem. The difference between the versions is in the constraints on the array elements. You can make hacks only if all versions of the problem are solved. You ...
instruction
0
26,736
12
53,472
No
output
1
26,736
12
53,473
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is the easy version of the problem. The difference between the versions is in the constraints on the array elements. You can make hacks only if all versions of the problem are solved. You ...
instruction
0
26,737
12
53,474
No
output
1
26,737
12
53,475
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is the easy version of the problem. The difference between the versions is in the constraints on the array elements. You can make hacks only if all versions of the problem are solved. You ...
instruction
0
26,738
12
53,476
No
output
1
26,738
12
53,477
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is the easy version of the problem. The difference between the versions is in the constraints on the array elements. You can make hacks only if all versions of the problem are solved. You ...
instruction
0
26,739
12
53,478
No
output
1
26,739
12
53,479
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,858
12
53,716
Tags: constructive algorithms, math, number theory Correct Solution: ``` n, k = map(int, input().split()) if k == n: print(-1) elif k == n - 1: print(*range(1, n + 1)) else: ans = [0] * n for i in range(k): ans[i + 1] = i + 2 for i in range(k, n - 1): ans[i + 1] = i + 3 ans[-1] =...
output
1
26,858
12
53,717
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,859
12
53,718
Tags: constructive algorithms, math, number theory Correct Solution: ``` import sys import math def gcd(a, b): c = max(a,b) d = min(a,b) r = c%d if r==0: return d return gcd(d,r) def lcm(a, b): def gcd_naive(a, b): c = max(a,b) d = min(a,b) r = c%d if r==0: ...
output
1
26,859
12
53,719
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,860
12
53,720
Tags: constructive algorithms, math, number theory Correct Solution: ``` n, k = list(map(int, input().split())) if k == n: print(-1) else: if 2+k <= n: print(2 + k, end=" ") else: print(1, end=" ") for i in range(2, 2+k): print(i, end=" ") i = 2 + k if i <= n: whi...
output
1
26,860
12
53,721
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,861
12
53,722
Tags: constructive algorithms, math, number theory Correct Solution: ``` n,k = map(int,input().split()) if k<n: ans = [1] count = 0 for i in range(2,n+1): if count == k: ans.append(i+1) else: ans.append(i) count+=1 hare = set(ans) for i in range(...
output
1
26,861
12
53,723
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,862
12
53,724
Tags: constructive algorithms, math, number theory Correct Solution: ``` n, k = map(int, input().split()) if k == n: print(-1) else: bar = n - k print(' '.join(map(str, [bar] + list(range(1, bar)) + list(range(bar + 1, n + 1))))) ```
output
1
26,862
12
53,725
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,863
12
53,726
Tags: constructive algorithms, math, number theory Correct Solution: ``` t = input() temp = t.split() n = int(temp[0]) k = int(temp[1]) if (k == n): print(-1) else: print(n-k,end =' ') for i in range(1,n-k): print(i,end=' ') for i in range(n-k+1, n+1): print(i,end=' ') ```
output
1
26,863
12
53,727
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,864
12
53,728
Tags: constructive algorithms, math, number theory Correct Solution: ``` n, k = map(int, input().split()) if n == k: print(-1) elif n-1 == k: for i in range(n): print(i+1, end=' ') else: seq = [n] for i in range(k): seq.append(i+2) seq.append(1) for i in range(n-k-2): se...
output
1
26,864
12
53,729
Provide tags and a correct Python 3 solution for this coding contest problem. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor of numbers a and b. Levko assumes that element...
instruction
0
26,865
12
53,730
Tags: constructive algorithms, math, number theory Correct Solution: ``` n, k = map(int, input().split()) if n == k: print(-1) elif k == 0: p = 0 l =[] for i in range(1, n+1): if p%2==0: l.append(i+1) else: l.append(i-1) if i == n and l[i-1] == n+1: ...
output
1
26,865
12
53,731
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,866
12
53,732
Yes
output
1
26,866
12
53,733
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,867
12
53,734
Yes
output
1
26,867
12
53,735
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,868
12
53,736
Yes
output
1
26,868
12
53,737
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,869
12
53,738
Yes
output
1
26,869
12
53,739
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,870
12
53,740
No
output
1
26,870
12
53,741
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,871
12
53,742
No
output
1
26,871
12
53,743
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,872
12
53,744
No
output
1
26,872
12
53,745
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Levko loves permutations very much. A permutation of length n is a sequence of distinct positive integers, each is at most n. Let’s assume that value gcd(a, b) shows the greatest common divisor...
instruction
0
26,873
12
53,746
No
output
1
26,873
12
53,747
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,900
12
53,800
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` def dfs(i, visited, g): indexes = [] visited.add(i) for j in g[i]: if j not in visited: indexes.extend(dfs(j, visited, g)) indexes.append(i) return indexes def solve(n, p, g): visited = set() result = [0] * n for i in range(n...
output
1
26,900
12
53,801
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,901
12
53,802
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` def recursive_dfs(graph, start, path=[]): '''recursive depth first search from start''' path=path+[start] for node in graph[start]: if not node in path: path=recursive_dfs(graph, node, path) return path x = [] sa = int(i...
output
1
26,901
12
53,803
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,902
12
53,804
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` n=int(input()) p=list(map(int, input().split())) a=[list(map(int, list(input()))) for _ in range(n)] v=[0]*n l=n+1 xx=[-1]*n def dfs(x): global l v[x]=1 if xx[x]==-1: l=min(x,l) for i in range(n): if a[x][i...
output
1
26,902
12
53,805
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,903
12
53,806
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` from collections import defaultdict n = int(input()) a = list(map(int, input().split())) adj = defaultdict(list) for i in range(n): line = [int(i) for i in input().strip()] for j in range(n): if line[j]: adj[...
output
1
26,903
12
53,807
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,904
12
53,808
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` from sys import stdin input=lambda : stdin.readline().strip() from math import ceil,sqrt,factorial,gcd from collections import deque n=int(input()) l=list(map(int,input().split())) graph={i:set() for i in range(n)} for i in range(n): s=in...
output
1
26,904
12
53,809
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,905
12
53,810
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` #!/usr/bin/env python3 n = int(input()) p = [int(x) for x in input().split()] a = [[int(c) for c in input()] for _ in range(n)] exchange = [] for i in range(n): s = set() s.add(i) for j in range(n): if a[i][j] == 1: ...
output
1
26,905
12
53,811
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,906
12
53,812
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` import bisect,sys from collections import deque, namedtuple sys.setrecursionlimit(20000) N = 1050 par = [i for i in range(1050)] siz = [1]*N def find(i): if i == par[i]: return i par[i] = find(par[i]) return par[i] def merge(...
output
1
26,906
12
53,813
Provide tags and a correct Python 3 solution for this coding contest problem. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2, ..., bn, if and only if there exists an intege...
instruction
0
26,907
12
53,814
Tags: dfs and similar, dsu, graphs, greedy, math, sortings Correct Solution: ``` import sys,os,io import math,bisect,operator inf,mod = float('inf'),10**9+7 # sys.setrecursionlimit(10 ** 6) from itertools import groupby,accumulate from heapq import heapify,heappop,heappush from collections import deque,Counter,defaultd...
output
1
26,907
12
53,815
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,908
12
53,816
Yes
output
1
26,908
12
53,817
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,909
12
53,818
Yes
output
1
26,909
12
53,819
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,910
12
53,820
Yes
output
1
26,910
12
53,821
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,911
12
53,822
Yes
output
1
26,911
12
53,823
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,912
12
53,824
No
output
1
26,912
12
53,825
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,913
12
53,826
No
output
1
26,913
12
53,827
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,914
12
53,828
No
output
1
26,914
12
53,829
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. User ainta has a permutation p1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible. Permutation a1, a2, ..., an is prettier than permutation b1, b2,...
instruction
0
26,915
12
53,830
No
output
1
26,915
12
53,831
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,096
12
54,192
Tags: constructive algorithms, math Correct Solution: ``` import math from decimal import Decimal def na(): n = int(input()) b = [int(x) for x in input().split()] return n,b def nab(): n = int(input()) b = [int(x) for x in input().split()] c = [int(x) for x in input().split()] return n,b,c def dv(): n, ...
output
1
27,096
12
54,193
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,097
12
54,194
Tags: constructive algorithms, math Correct Solution: ``` import sys import bisect input=sys.stdin.readline #t=int(input()) t=1 mod=10**9+7 for _ in range(t): #n=int(input()) n,q=map(int,input().split()) #s=input() #l=list(map(int,input().split())) #pref=[[0 for j in range(3001)] for i in range(n+2)...
output
1
27,097
12
54,195
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,098
12
54,196
Tags: constructive algorithms, math Correct Solution: ``` import sys input=sys.stdin.buffer.readline from math import ceil n,q=map(int,input().split()) for i in range(q): indx=int(input()) count =indx if indx %2==0: count =0 pro= n-indx//2 while pro %2==0: count +=pro ...
output
1
27,098
12
54,197
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,099
12
54,198
Tags: constructive algorithms, math Correct Solution: ``` from sys import* input=stdin.readline n,q=map(int,input().split()) for _ in range(q): i=int(input()) while i%2==0:i+=n-i//2 print((i+1)//2) ```
output
1
27,099
12
54,199
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,100
12
54,200
Tags: constructive algorithms, math Correct Solution: ``` #Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __...
output
1
27,100
12
54,201
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,101
12
54,202
Tags: constructive algorithms, math Correct Solution: ``` import sys def query(n, a): while a % 2 == 0: a += n - a // 2 return a // 2 + 1 n, q = map(int, sys.stdin.readline().split()) sys.stdout.write("\n".join(str(query(n, int(input()))) for _ in range(q))) # arr = [int(sys.stdin.readline()) for _ in...
output
1
27,101
12
54,203
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,102
12
54,204
Tags: constructive algorithms, math Correct Solution: ``` import sys def query(n, a): while a % 2 == 0: a += n - a // 2 return a // 2 + 1 n, q = map(int, sys.stdin.readline().split()) arr = [int(sys.stdin.readline()) for _ in range(q)] # arr = [query(n, a) for a in arr] # sys.stdout.write(*arr) sys.st...
output
1
27,102
12
54,205
Provide tags and a correct Python 3 solution for this coding contest problem. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been bored with easy solutions of this problem, and ...
instruction
0
27,103
12
54,206
Tags: constructive algorithms, math Correct Solution: ``` import sys input = sys.stdin.readline n, q = list(map(int, input().split())) x = [int(input()) for i in range(q)] for num in x: num = 2 * n - num while True: if num % 2 == 0: num = num // 2 else: break print...
output
1
27,103
12
54,207
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ...
instruction
0
27,104
12
54,208
Yes
output
1
27,104
12
54,209
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ...
instruction
0
27,105
12
54,210
Yes
output
1
27,105
12
54,211
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ...
instruction
0
27,106
12
54,212
Yes
output
1
27,106
12
54,213
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ...
instruction
0
27,107
12
54,214
Yes
output
1
27,107
12
54,215
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ...
instruction
0
27,108
12
54,216
No
output
1
27,108
12
54,217
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima is a beginner programmer. During his working process, he regularly has to repeat the following operation again and again: to remove every second element from the array. One day he has been ...
instruction
0
27,109
12
54,218
No
output
1
27,109
12
54,219