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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Compute A \times B. Constraints * 1 \leq A \leq 100 * 1 \leq B \leq 100 * All values in input are integers. Input Input is given from Standard Input in the following format: A B Output ...
instruction
0
71,396
5
142,792
No
output
1
71,396
5
142,793
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Compute A \times B. Constraints * 1 \leq A \leq 100 * 1 \leq B \leq 100 * All values in input are integers. Input Input is given from Standard Input in the following format: A B Output ...
instruction
0
71,397
5
142,794
No
output
1
71,397
5
142,795
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Compute A \times B. Constraints * 1 \leq A \leq 100 * 1 \leq B \leq 100 * All values in input are integers. Input Input is given from Standard Input in the following format: A B Output ...
instruction
0
71,398
5
142,796
No
output
1
71,398
5
142,797
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi's house has only one socket. Takahashi wants to extend it with some number of power strips, each with A sockets, into B or more empty sockets. One power strip with A sockets can exte...
instruction
0
71,424
5
142,848
Yes
output
1
71,424
5
142,849
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi's house has only one socket. Takahashi wants to extend it with some number of power strips, each with A sockets, into B or more empty sockets. One power strip with A sockets can exte...
instruction
0
71,426
5
142,852
Yes
output
1
71,426
5
142,853
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,439
5
142,878
"Correct Solution: ``` from collections import Counter N = int(input()) As = list(map(int, input().split())) cnt = Counter(As) As.sort(reverse=True) Ps = [2] for i in range(29): Ps.append(Ps[-1] * 2) ans = 0 for A in As: if cnt[A] <= 0: continue cnt[A] -= 1 while Ps[-1] > 2 * A: Ps.pop() ...
output
1
71,439
5
142,879
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,440
5
142,880
"Correct Solution: ``` from collections import defaultdict N = int(input()) A = list(map(int, input().split())) A.sort() d = defaultdict(int) for a in A: d[a] += 1 ans = 0 for i in range(N-1, -1, -1): a = A[i] if d[a] == 0: continue s = 2**(len(bin(a))-2) p = s-a if (d[p] > 0 and p!=a) ...
output
1
71,440
5
142,881
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,441
5
142,882
"Correct Solution: ``` import math N = int(input()) a = sorted(list(map(int,input().split()))) count = 0 b = {} for i in range(len(a)): if a[i] in b: b[a[i]] += 1 else: b[a[i]] = 1 for i in range(len(a) - 1, -1, -1): if b[a[i]] == 0: continue temp = a[i] b[a[i]] -= 1 ...
output
1
71,441
5
142,883
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,442
5
142,884
"Correct Solution: ``` import math import bisect n=int(input()) a=list(map(int,input().split())) a.sort() x=a[0];ctn=1;l=[];l2=[] for i in range(1,n): if x==a[i]: ctn+=1 else: l.append([x,ctn]) l2.append(x) x=a[i] ctn=1 l.append([x,ctn]) l2.append(x) b=[2**i for i in range(1,50)] ct=0 for i i...
output
1
71,442
5
142,885
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,443
5
142,886
"Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) a.sort(reverse=True) d = dict() ans = 0 for x in a: if x not in d: d[x] = 0 d[x] += 1 for x in a: t = (1<<x.bit_length()) - x f = (d.get(t,0) and d.get(x,0)) if t == x: f = (d.get(t,0) >= 2) if f: d[x] -= 1 d[t] -= 1...
output
1
71,443
5
142,887
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,444
5
142,888
"Correct Solution: ``` from collections import Counter N,*A = map(int, open(0).read().split()) Cnt = Counter(A) m = 2**31 ans = 0 for i in range(31): for k in Cnt.keys(): if Cnt[k]==0: continue if k==m-k: ans += Cnt[k]//2 Cnt[k] %= 2 else: if Cnt[m-k]==0: continue if ...
output
1
71,444
5
142,889
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,445
5
142,890
"Correct Solution: ``` from collections import Counter N, *A = map(int, open(0).read().split()) A.sort(reverse=True) C = Counter(A) ans = 0 for a in A: if C[a] == 0: continue C[a] -= 1 partner = (1 << (a.bit_length())) - a if C[partner] > 0: ans += 1 C[partner] -= 1 print(ans) ``...
output
1
71,445
5
142,891
Provide a correct Python 3 solution for this coding contest problem. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on each pair of balls is a power of 2. Note that a ball ca...
instruction
0
71,446
5
142,892
"Correct Solution: ``` n = int(input()) a = list(map(int,input().split())) a.sort() from collections import Counter dic = Counter(a) ans = 0 for k in range(len(a)-1,-1,-1): if dic[a[k]]==0: continue dic[a[k]] -= 1 t = 2**a[k].bit_length()-a[k] if dic[t]: dic[t] -= 1 ans += 1 prin...
output
1
71,446
5
142,893
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,447
5
142,894
Yes
output
1
71,447
5
142,895
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,448
5
142,896
Yes
output
1
71,448
5
142,897
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,449
5
142,898
Yes
output
1
71,449
5
142,899
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,450
5
142,900
Yes
output
1
71,450
5
142,901
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,451
5
142,902
No
output
1
71,451
5
142,903
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,452
5
142,904
No
output
1
71,452
5
142,905
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,453
5
142,906
No
output
1
71,453
5
142,907
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has N balls with positive integers written on them. The integer written on the i-th ball is A_i. He would like to form some number of pairs such that the sum of the integers written on...
instruction
0
71,454
5
142,908
No
output
1
71,454
5
142,909
Provide a correct Python 3 solution for this coding contest problem. Example Input 1 Output )(
instruction
0
71,577
5
143,154
"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 = [(-1,0),(0,1),(1,0),(0,-1)] ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)] def LI(): return [int...
output
1
71,577
5
143,155
Provide a correct Python 3 solution for this coding contest problem. For given n points in metric space, find the distance of the closest points. Constraints * 2 ≤ n ≤ 100,000 * -100 ≤ x, y ≤ 100 Input n x0 y0 x1 y1 : xn-1 yn-1 The first integer n is the number of points. In the following n lines, the coordina...
instruction
0
71,596
5
143,192
"Correct Solution: ``` #!/usr/bin/env python # -*- coding: utf-8 -*- """ input: 3 0.0 0.0 2.0 0.0 1.0 1.0 output: 1.41421356237 """ import math import sys from operator import attrgetter class ClosestPair(object): def __init__(self, ): """ Init closest pairs points set. """ _inp...
output
1
71,596
5
143,193
Provide a correct Python 3 solution for this coding contest problem. For given n points in metric space, find the distance of the closest points. Constraints * 2 ≤ n ≤ 100,000 * -100 ≤ x, y ≤ 100 Input n x0 y0 x1 y1 : xn-1 yn-1 The first integer n is the number of points. In the following n lines, the coordina...
instruction
0
71,601
5
143,202
"Correct Solution: ``` from sys import stdin from operator import attrgetter readline = stdin.readline def norm(a): return a.real * a.real + a.imag * a.imag def closest_pair(p): if len(p) <= 1: return float('inf') m = len(p) // 2 d = min(closest_pair(p[:m]), closest_pair(p[m:])) p = [pi ...
output
1
71,601
5
143,203
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given n points in metric space, find the distance of the closest points. Constraints * 2 ≤ n ≤ 100,000 * -100 ≤ x, y ≤ 100 Input n x0 y0 x1 y1 : xn-1 yn-1 The first integer n is the n...
instruction
0
71,608
5
143,216
No
output
1
71,608
5
143,217
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given n points in metric space, find the distance of the closest points. Constraints * 2 ≤ n ≤ 100,000 * -100 ≤ x, y ≤ 100 Input n x0 y0 x1 y1 : xn-1 yn-1 The first integer n is the n...
instruction
0
71,609
5
143,218
No
output
1
71,609
5
143,219
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given n points in metric space, find the distance of the closest points. Constraints * 2 ≤ n ≤ 100,000 * -100 ≤ x, y ≤ 100 Input n x0 y0 x1 y1 : xn-1 yn-1 The first integer n is the n...
instruction
0
71,611
5
143,222
No
output
1
71,611
5
143,223
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given an integer $n$, print all permutations of $\\{1, 2, ..., n\\}$ in lexicographic order. Constraints * $1 \leq n \leq 9$ Input An integer $n$ is given in a line. Output Print each ...
instruction
0
71,621
5
143,242
Yes
output
1
71,621
5
143,243
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given an integer $n$, print all permutations of $\\{1, 2, ..., n\\}$ in lexicographic order. Constraints * $1 \leq n \leq 9$ Input An integer $n$ is given in a line. Output Print each ...
instruction
0
71,622
5
143,244
Yes
output
1
71,622
5
143,245
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For given an integer $n$, print all permutations of $\\{1, 2, ..., n\\}$ in lexicographic order. Constraints * $1 \leq n \leq 9$ Input An integer $n$ is given in a line. Output Print each ...
instruction
0
71,623
5
143,246
Yes
output
1
71,623
5
143,247
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,672
5
143,344
Yes
output
1
71,672
5
143,345
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,673
5
143,346
Yes
output
1
71,673
5
143,347
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,674
5
143,348
Yes
output
1
71,674
5
143,349
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,675
5
143,350
Yes
output
1
71,675
5
143,351
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,676
5
143,352
No
output
1
71,676
5
143,353
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,677
5
143,354
No
output
1
71,677
5
143,355
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,678
5
143,356
No
output
1
71,678
5
143,357
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given a range of positive integers from l to r. Find such a pair of integers (x, y) that l ≤ x, y ≤ r, x ≠ y and x divides y. If there are multiple answers, print any of them. You are...
instruction
0
71,679
5
143,358
No
output
1
71,679
5
143,359
Provide tags and a correct Python 3 solution for this coding contest problem. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤ a ≤ b ≤ r). Your task is to find the maximum v...
instruction
0
71,952
5
143,904
Tags: bitmasks, dp, greedy, implementation, math Correct Solution: ``` l,r=map(int,input().split()) s=bin(l)[2:] t=bin(r)[2:] z=max(len(s),len(t)) s='0'*(z-len(s))+s t='0'*(z-len(t))+t i=0 while i<z and s[i]==t[i]: i=i+1 print(pow(2,z-i)-1) ```
output
1
71,952
5
143,905
Provide tags and a correct Python 3 solution for this coding contest problem. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤ a ≤ b ≤ r). Your task is to find the maximum v...
instruction
0
71,954
5
143,908
Tags: bitmasks, dp, greedy, implementation, math Correct Solution: ``` l,r = map(int,input().split()) binR = list(bin(r)[2:]) binL = list((bin(l)[2:]).rjust(len(binR),"0")) f,XOR,high,low = False,"","","" for i,j in zip(binR,binL): if i!=j: if i=="1" and not f:f=True high, low = high + i, low + j ...
output
1
71,954
5
143,909
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,959
5
143,918
Yes
output
1
71,959
5
143,919
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,960
5
143,920
Yes
output
1
71,960
5
143,921
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,961
5
143,922
Yes
output
1
71,961
5
143,923
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,962
5
143,924
Yes
output
1
71,962
5
143,925
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,963
5
143,926
No
output
1
71,963
5
143,927
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,964
5
143,928
No
output
1
71,964
5
143,929
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,965
5
143,930
No
output
1
71,965
5
143,931
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of <image> for all pairs of integers a and b (l ≤...
instruction
0
71,966
5
143,932
No
output
1
71,966
5
143,933
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Input The input contains a single integer a (0 ≤ a ≤ 35). Output Output a single integer. Examples Input 3 Output 8 Input 10 Output 1024 Submitted Solution: ``` n=int(input()) ...
instruction
0
72,113
5
144,226
Yes
output
1
72,113
5
144,227
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Input The input contains a single integer a (0 ≤ a ≤ 35). Output Output a single integer. Examples Input 3 Output 8 Input 10 Output 1024 Submitted Solution: ``` i = int(input()...
instruction
0
72,114
5
144,228
Yes
output
1
72,114
5
144,229