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Submission #816358

# Submission time Handle Problem Language Result Execution time Memory
816358 2023-08-09T04:54:08 Z 이종영(#10379) Marshmallow Molecules (CCO19_day2problem2) C++17
10 / 25
 992 ms 1048576 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],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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -