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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#420140#8593. CoinUmairAhmadMIrza#22 17ms4084kbC++20592b2024-05-24 14:51:042024-05-24 14:51:04

Judging History

你现在查看的是最新测评结果

  • [2024-05-24 14:51:04]
  • 评测
  • 测评结果:22
  • 用时:17ms
  • 内存:4084kb
  • [2024-05-24 14:51:04]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

#define ll long long
int const N=1005;
int const mod=1e9+7;

set<int> ls[N],gr[N];
int ans[N];
int main(){
	int n,m;
	cin>>n>>m;
	for (int i = 1; i <=n; ++i){
		ans[i]=-1;
		ls[i].insert(i);
		gr[i].insert(i);
	}
	for(int i=1;i<=m;i++){
		int a,b;
		cin>>a>>b;
		for(auto l:ls[a])
			for(auto g:gr[b]){
				ls[g].insert(l);
				gr[l].insert(g);
			}
		for(int j=1;j<=n;j++)
			if(ans[j]==-1 && ls[j].size()+gr[j].size()==n+1)
				ans[j]=i;
	}
	for(int i=1;i<=n;i++)
		cout<<ans[i]<<' ';
	cout<<endl;
	return 0;
}

詳細信息

Subtask #1:

score: 6
Accepted

Test #1:

score: 6
Accepted
time: 0ms
memory: 3688kb

input:

4 4
2 4
3 1
4 1
2 3

output:

3 4 -1 -1 

result:

ok ac

Test #2:

score: 6
Accepted
time: 0ms
memory: 3628kb

input:

6 8
1 5
5 4
6 2
2 5
4 3
6 1
6 5
2 1

output:

8 8 5 5 5 6 

result:

ok ac

Test #3:

score: 6
Accepted
time: 0ms
memory: 3636kb

input:

2 1
1 2

output:

1 1 

result:

ok ac

Test #4:

score: 6
Accepted
time: 0ms
memory: 3704kb

input:

6 12
1 5
5 4
6 2
2 5
4 3
6 5
1 5
1 5
2 4
6 3
1 3
4 3

output:

-1 -1 5 5 5 -1 

result:

ok ac

Test #5:

score: 6
Accepted
time: 0ms
memory: 3704kb

input:

7 20
1 6
6 3
1 4
1 5
1 7
1 2
1 5
2 3
4 5
7 2
2 4
5 3
6 3
1 3
4 3
7 5
2 6
4 6
7 2
7 5

output:

6 17 12 18 -1 -1 17 

result:

ok ac

Test #6:

score: 6
Accepted
time: 0ms
memory: 3704kb

input:

7 20
5 6
1 3
3 6
4 1
7 4
2 5
4 3
2 6
7 5
4 6
2 6
2 1
4 5
1 3
1 5
7 1
7 6
4 1
7 6
3 6

output:

15 -1 -1 -1 -1 6 -1 

result:

ok ac

Test #7:

score: 6
Accepted
time: 0ms
memory: 3708kb

input:

7 20
7 6
4 5
6 4
3 6
4 1
6 2
3 5
5 2
7 6
1 2
3 6
6 4
7 1
6 1
7 1
4 5
3 6
3 5
4 5
3 1

output:

-1 10 -1 8 -1 6 -1 

result:

ok ac

Subtask #2:

score: 16
Accepted

Dependency #1:

100%
Accepted

Test #8:

score: 16
Accepted
time: 1ms
memory: 3764kb

input:

20 100
5 20
4 5
18 16
1 13
14 9
11 19
6 4
7 20
16 11
8 13
4 5
16 9
12 14
7 12
11 3
9 11
9 11
13 6
3 10
12 9
13 4
20 12
13 6
18 11
5 7
5 7
15 18
12 15
17 13
15 18
3 2
11 2
11 2
15 19
4 19
14 19
14 9
17 3
1 18
8 10
16 19
1 6
7 2
5 12
1 18
8 20
5 18
8 5
4 16
1 15
5 19
18 19
17 10
1 10
17 3
10 2
3 10
17...

output:

-1 -1 -1 31 31 31 31 -1 31 -1 31 31 31 -1 71 -1 -1 -1 -1 31 

result:

ok ac

Test #9:

score: 16
Accepted
time: 17ms
memory: 4084kb

input:

100 400
87 45
42 17
9 81
65 10
8 82
76 48
39 73
21 58
76 30
76 92
74 76
99 90
38 50
86 74
75 52
8 2
80 55
20 95
66 60
78 82
10 18
22 59
23 17
63 76
56 51
38 10
50 65
41 28
64 77
59 53
100 66
38 84
23 47
17 9
45 75
41 28
33 41
8 78
2 95
3 11
40 15
60 63
23 17
82 2
61 44
44 16
77 34
100 66
96 99
68 12...

output:

-1 -1 187 -1 183 -1 -1 -1 183 -1 187 -1 -1 187 183 187 183 -1 -1 -1 -1 183 -1 183 -1 -1 183 183 -1 -1 -1 -1 187 187 -1 -1 187 183 183 183 -1 -1 183 187 183 188 -1 -1 -1 -1 183 -1 183 183 -1 -1 -1 -1 183 -1 187 -1 -1 187 -1 187 -1 -1 -1 -1 -1 -1 183 -1 183 187 187 -1 188 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1...

result:

ok ac

Subtask #3:

score: 0
Time Limit Exceeded

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Test #10:

score: 0
Time Limit Exceeded

input:

1000 4000
619 298
211 477
584 418
812 280
978 268
280 345
715 364
73 664
915 819
535 28
110 959
384 663
773 315
792 250
374 80
134 202
779 416
613 334
318 756
21 812
424 997
664 277
151 963
299 438
955 988
532 653
521 43
121 20
902 849
237 305
272 893
325 792
469 549
891 531
612 810
294 256
188 990
...

output:


result:


Subtask #4:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

0%