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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#577135#9310. Permutation Counting 4alphaTL 0ms7652kbC++20846b2024-09-20 08:24:152024-09-20 08:24:16

Judging History

你现在查看的是最新测评结果

  • [2024-09-20 08:24:16]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:7652kb
  • [2024-09-20 08:24:15]
  • 提交

answer

#define _CRT_SECURE_NO_WARNINGS  1
#include<iostream>
#include<utility>
#include<queue> 
#include<stack> 
#include<string.h>
#include<malloc.h>
#include<functional>
#include<math.h>
#include<vector>
#include<cmath>
#include<iomanip>
#include<sstream>
#include<cctype>
#include<algorithm>
#include<bitset>
#include<map>
int pre[1000006];
int find(int x) {
	if (x == pre[x])
		return x;
	pre[x] = find(pre[x]);
	return pre[x];
}
int main() {
	int t;
	scanf("%d", &t);
	while (t--) {
		int n;
		for (int i = 0; i <= 1000000; i++)
			pre[i] = i;
		scanf("%d", &n);
		bool judge = 1;
		for (int i = 0; i < n; i++) {
			int a, b;
			scanf("%d%d", &a, &b);
			if (find(a - 1) == find(b))
				judge = 0;
			else
				pre[find(a - 1)] = find(b);
		}
		if (judge)
			printf("1\n");
		else
			printf("0\n");
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 7652kb

input:

4
5
1 2
1 5
1 2
1 2
2 2
5
1 1
2 4
2 3
5 5
3 4
5
3 5
1 2
3 4
3 5
3 3
5
1 5
1 4
4 5
5 5
1 2

output:

0
1
0
0

result:

ok 4 tokens

Test #2:

score: -100
Time Limit Exceeded

input:

66725
14
7 7
4 6
7 8
8 13
2 13
6 13
6 10
14 14
1 10
9 11
7 9
3 8
4 12
5 12
12
2 6
3 6
7 11
2 5
1 1
6 12
8 12
2 3
7 9
7 8
1 10
1 4
10
4 8
4 4
6 10
9 10
2 3
2 7
1 3
3 4
2 2
3 10
20
3 12
10 14
19 20
19 20
1 9
7 9
13 16
17 17
16 18
2 11
5 19
6 17
11 17
3 6
3 11
7 20
8 17
3 18
10 15
9 20
16
5 10
2 10
2 1...

output:

1
1
0
0
1
0
1
1
0
1
1
0
0
0
0
0
1
0
1
0
0
1
0
0
0
1
0
1
0
0
0
0
1
0
1
1
1
1
1
0
1
0
1
1
1
1
1
1
1
1
0
1
1
0
0
0
0
0
0
1
0
1
1
0
1
1
1
0
1
0
1
0
0
0
1
1
1
0
0
1
1
1
1
0
1
1
1
1
1
1
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
1
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
1
0
0
1
0
1
1
...

result: