답안 #816358

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
816358	2023-08-09T04:54:08 Z	이종영(#10379)	Marshmallow Molecules (CCO19_day2problem2)	C++17	10 / 25	992 ms	1048576 KB

Main

#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],clr;
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 i=1;i<=n;i++) clr[i]=1;
	for(int u=1;u<=n;u++){
		clr[u]=0;
		out[u]&=clr;
		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	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	2 ms	1560 KB	Output is correct
4	Correct	3 ms	1492 KB	Output is correct
5	Correct	3 ms	1512 KB	Output is correct
6	Correct	3 ms	1492 KB	Output is correct
7	Correct	2 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	2 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	3 ms	1556 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	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	2 ms	1560 KB	Output is correct
4	Correct	3 ms	1492 KB	Output is correct
5	Correct	3 ms	1512 KB	Output is correct
6	Correct	3 ms	1492 KB	Output is correct
7	Correct	2 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	2 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	3 ms	1556 KB	Output is correct
15	Correct	2 ms	1492 KB	Output is correct
16	Correct	81 ms	61464 KB	Output is correct
17	Correct	89 ms	61492 KB	Output is correct
18	Correct	93 ms	61492 KB	Output is correct
19	Correct	93 ms	61392 KB	Output is correct
20	Correct	89 ms	61508 KB	Output is correct
21	Correct	66 ms	61528 KB	Output is correct
22	Correct	82 ms	61456 KB	Output is correct
23	Correct	112 ms	61492 KB	Output is correct
24	Correct	87 ms	61468 KB	Output is correct
25	Correct	97 ms	61448 KB	Output is correct
26	Correct	84 ms	61492 KB	Output is correct
27	Correct	66 ms	61492 KB	Output is correct

Subtask #3

0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	992 ms	1048576 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	2 ms	1560 KB	Output is correct
4	Correct	3 ms	1492 KB	Output is correct
5	Correct	3 ms	1512 KB	Output is correct
6	Correct	3 ms	1492 KB	Output is correct
7	Correct	2 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	2 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	3 ms	1556 KB	Output is correct
15	Correct	2 ms	1492 KB	Output is correct
16	Correct	81 ms	61464 KB	Output is correct
17	Correct	89 ms	61492 KB	Output is correct
18	Correct	93 ms	61492 KB	Output is correct
19	Correct	93 ms	61392 KB	Output is correct
20	Correct	89 ms	61508 KB	Output is correct
21	Correct	66 ms	61528 KB	Output is correct
22	Correct	82 ms	61456 KB	Output is correct
23	Correct	112 ms	61492 KB	Output is correct
24	Correct	87 ms	61468 KB	Output is correct
25	Correct	97 ms	61448 KB	Output is correct
26	Correct	84 ms	61492 KB	Output is correct
27	Correct	66 ms	61492 KB	Output is correct
28	Runtime error	992 ms	1048576 KB	Execution killed with signal 9
29	Halted	0 ms	0 KB	-