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답안 #816202

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
816202 2023-08-09T04:27:11 Z 이종영(#10379) Marshmallow Molecules (CCO19_day2problem2) C++17
10 / 25
 573 ms 4452 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
using ll=long long;
using pii=array<int,2>;
using tii=array<int,3>;
const ll inf=1e18;
const int N=5005;
int n,m,ans;
vector<int> g[N];
bitset<N> out[N];
int main(){
	ios::sync_with_stdio(false); cin.tie(0);
	cin>>n>>m;
	for(int u,v,i=1;i<=m;i++){
		cin>>u>>v;
		out[u][v]=1;
		//g[u].emplace_back(v);
	}
	for(int u=1;u<=n;u++){
		for(int v=1;v<=u;v++) out[u][v]=0;
		for(int v=u+1;v<=n;v++) if(out[u][v]) out[v]|=out[u];
	}
	for(int i=1;i<=n;i++) ans+=out[i].count();
	cout<<ans;
	return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 462 ms 3520 KB Output is correct
17 Correct 447 ms 4440 KB Output is correct
18 Correct 477 ms 4400 KB Output is correct
19 Correct 461 ms 4424 KB Output is correct
20 Correct 573 ms 4440 KB Output is correct
21 Correct 442 ms 3560 KB Output is correct
22 Correct 446 ms 4452 KB Output is correct
23 Correct 539 ms 4440 KB Output is correct
24 Correct 528 ms 4400 KB Output is correct
25 Correct 519 ms 4436 KB Output is correct
26 Correct 522 ms 4440 KB Output is correct
27 Correct 492 ms 3556 KB Output is correct

Subtask #3
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 2 ms 724 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 462 ms 3520 KB Output is correct
17 Correct 447 ms 4440 KB Output is correct
18 Correct 477 ms 4400 KB Output is correct
19 Correct 461 ms 4424 KB Output is correct
20 Correct 573 ms 4440 KB Output is correct
21 Correct 442 ms 3560 KB Output is correct
22 Correct 446 ms 4452 KB Output is correct
23 Correct 539 ms 4440 KB Output is correct
24 Correct 528 ms 4400 KB Output is correct
25 Correct 519 ms 4436 KB Output is correct
26 Correct 522 ms 4440 KB Output is correct
27 Correct 492 ms 3556 KB Output is correct
28 Runtime error 2 ms 724 KB Execution killed with signal 11
29 Halted 0 ms 0 KB -