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Submission #816346

# Submission time Handle Problem Language Result Execution time Memory
816346 2023-08-09T04:53:06 Z 이종영(#10379) Marshmallow Molecules (CCO19_day2problem2) C++17
10 / 25
 4000 ms 796744 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,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

# Verdict Execution time Memory 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 2 ms 1492 KB Output is correct
8 Correct 2 ms 1508 KB Output is correct
9 Correct 2 ms 1620 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 2 ms 1492 KB Output is correct
15 Correct 2 ms 1552 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory 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 2 ms 1492 KB Output is correct
8 Correct 2 ms 1508 KB Output is correct
9 Correct 2 ms 1620 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 2 ms 1492 KB Output is correct
15 Correct 2 ms 1552 KB Output is correct
16 Correct 99 ms 60372 KB Output is correct
17 Correct 115 ms 60936 KB Output is correct
18 Correct 104 ms 61420 KB Output is correct
19 Correct 109 ms 61524 KB Output is correct
20 Correct 96 ms 61376 KB Output is correct
21 Correct 93 ms 61124 KB Output is correct
22 Correct 104 ms 60504 KB Output is correct
23 Correct 95 ms 61020 KB Output is correct
24 Correct 96 ms 61504 KB Output is correct
25 Correct 99 ms 61384 KB Output is correct
26 Correct 96 ms 61424 KB Output is correct
27 Correct 92 ms 60940 KB Output is correct

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4061 ms 796744 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory 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 2 ms 1492 KB Output is correct
8 Correct 2 ms 1508 KB Output is correct
9 Correct 2 ms 1620 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 2 ms 1492 KB Output is correct
15 Correct 2 ms 1552 KB Output is correct
16 Correct 99 ms 60372 KB Output is correct
17 Correct 115 ms 60936 KB Output is correct
18 Correct 104 ms 61420 KB Output is correct
19 Correct 109 ms 61524 KB Output is correct
20 Correct 96 ms 61376 KB Output is correct
21 Correct 93 ms 61124 KB Output is correct
22 Correct 104 ms 60504 KB Output is correct
23 Correct 95 ms 61020 KB Output is correct
24 Correct 96 ms 61504 KB Output is correct
25 Correct 99 ms 61384 KB Output is correct
26 Correct 96 ms 61424 KB Output is correct
27 Correct 92 ms 60940 KB Output is correct
28 Execution timed out 4061 ms 796744 KB Time limit exceeded
29 Halted 0 ms 0 KB -