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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#64705#1261. InvzhoukangyangWA 149ms3392kbC++11574b2022-11-25 12:28:322022-11-25 12:28:32

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-11-25 12:28:32]
  • 评测
  • 测评结果:WA
  • 用时:149ms
  • 内存:3392kb
  • [2022-11-25 12:28:32]
  • 提交

answer

#include<bits/stdc++.h>
#define L(i, j, k) for(int i = (j); i <= (k); ++i) 
#define R(i, j, k) for(int i = (j); i >= (k); --i) 
#define ll long long 
#define vi vector < int > 
#define sz(a) ((int) (a).size()) 
#define me(a, x) memset(a, x, sizeof(a)) 
using namespace std;
const int N = 1.25e5 + 7;
int n, m;
bitset < N > bs, cur;
int main() {
	ios :: sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin >> n >> m;	
	bs.set(0);
	L(i, 1, n) {
		cur = bs;
		L(t, 1, i - 1) 
			cur <<= 1, cur ^= bs; 
	}
	cout << ((bool) cur[m]) << '\n';
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 3392kb

input:

4 1

output:

1

result:

ok answer is '1'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3372kb

input:

10 21

output:

0

result:

ok answer is '0'

Test #3:

score: 0
Accepted
time: 149ms
memory: 3224kb

input:

500 124331

output:

0

result:

ok answer is '0'

Test #4:

score: -100
Wrong Answer
time: 1ms
memory: 3232kb

input:

20 122

output:

0

result:

wrong answer expected '1', found '0'