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답안 #816353

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
816353 2023-08-09T04:53:33 Z 이종영(#10379) Marshmallow Molecules (CCO19_day2problem2) C++17
10 / 25
 4000 ms 783388 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=1e5+5;
int n,m;
ll ans;
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;
	}
	for(int u=1;u<=n;u++){
		for(int v=1;v<=u;v++) out[u][v]=0;
		if(out[u].count()){
			int v=out[u]._Find_first();
			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 340 KB Output is correct
3 Correct 2 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 3 ms 1492 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 2 ms 1492 KB Output is correct
14 Correct 2 ms 1492 KB Output is correct
15 Correct 2 ms 1492 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 340 KB Output is correct
3 Correct 2 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 3 ms 1492 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 2 ms 1492 KB Output is correct
14 Correct 2 ms 1492 KB Output is correct
15 Correct 2 ms 1492 KB Output is correct
16 Correct 110 ms 60384 KB Output is correct
17 Correct 113 ms 60916 KB Output is correct
18 Correct 101 ms 61432 KB Output is correct
19 Correct 99 ms 61384 KB Output is correct
20 Correct 101 ms 61404 KB Output is correct
21 Correct 83 ms 61152 KB Output is correct
22 Correct 99 ms 60544 KB Output is correct
23 Correct 129 ms 60996 KB Output is correct
24 Correct 94 ms 61480 KB Output is correct
25 Correct 95 ms 61388 KB Output is correct
26 Correct 95 ms 61488 KB Output is correct
27 Correct 81 ms 61024 KB Output is correct

Subtask #3
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 4069 ms 783388 KB Time limit exceeded
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 340 KB Output is correct
3 Correct 2 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 2 ms 1492 KB Output is correct
9 Correct 2 ms 1492 KB Output is correct
10 Correct 3 ms 1492 KB Output is correct
11 Correct 2 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 2 ms 1492 KB Output is correct
14 Correct 2 ms 1492 KB Output is correct
15 Correct 2 ms 1492 KB Output is correct
16 Correct 110 ms 60384 KB Output is correct
17 Correct 113 ms 60916 KB Output is correct
18 Correct 101 ms 61432 KB Output is correct
19 Correct 99 ms 61384 KB Output is correct
20 Correct 101 ms 61404 KB Output is correct
21 Correct 83 ms 61152 KB Output is correct
22 Correct 99 ms 60544 KB Output is correct
23 Correct 129 ms 60996 KB Output is correct
24 Correct 94 ms 61480 KB Output is correct
25 Correct 95 ms 61388 KB Output is correct
26 Correct 95 ms 61488 KB Output is correct
27 Correct 81 ms 61024 KB Output is correct
28 Execution timed out 4069 ms 783388 KB Time limit exceeded
29 Halted 0 ms 0 KB -