oj.uz

Submission #657574

# Submission time Handle Problem Language Result Execution time Memory
657574 2022-11-10T09:48:51 Z TimDee Inside information (BOI21_servers) C++17
2.5 / 100
 3500 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for (int i=0; i<n; ++i)

void solve() {

	int n,q; cin>>n>>q;
	vector<set<int>> a(n+1);
	forn(i,n) a[i+1].insert(i+1);

	forn(Q,n-1+q) {
		char c;
		cin>>c;
		if (c=='S') {

			int u,v; cin>>u>>v;
			for (auto x:a[u]) a[v].insert(x);
			for (auto x:a[v]) a[u].insert(x);

		} else if (c=='Q') {

			int u,x; cin>>u>>x;
			cout << (a[u].count(x)?"yes\n":"no\n");

		} else {
			int x; cin>>x;
			int ans=0;
			forn(i,n) ans+=a[i+1].count(x);
			cout<<ans<<'\n';
		}
	}

}

int32_t main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	solve();
	return 0;
}

Subtask #1
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 724 KB Output is correct
2 Correct 32 ms 2672 KB Output is correct
3 Correct 238 ms 48208 KB Output is correct
4 Correct 29 ms 2380 KB Output is correct
5 Correct 28 ms 2104 KB Output is correct
6 Correct 1789 ms 377172 KB Output is correct

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 724 KB Output is correct
2 Correct 32 ms 2672 KB Output is correct
3 Correct 238 ms 48208 KB Output is correct
4 Correct 29 ms 2380 KB Output is correct
5 Correct 28 ms 2104 KB Output is correct
6 Correct 1789 ms 377172 KB Output is correct
7 Correct 22 ms 852 KB Output is correct
8 Correct 2978 ms 3312 KB Output is correct
9 Execution timed out 3568 ms 21092 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #3
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 716 KB Output is correct
2 Runtime error 2090 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 716 KB Output is correct
2 Runtime error 2090 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 572 KB Output is correct
2 Correct 174 ms 31856 KB Output is correct
3 Correct 175 ms 32052 KB Output is correct
4 Runtime error 1217 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 572 KB Output is correct
2 Correct 174 ms 31856 KB Output is correct
3 Correct 175 ms 32052 KB Output is correct
4 Runtime error 1217 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 596 KB Output is correct
2 Runtime error 2654 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 596 KB Output is correct
2 Runtime error 2654 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #9
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 25 ms 588 KB Output is correct
2 Correct 187 ms 31640 KB Output is correct
3 Correct 176 ms 31564 KB Output is correct
4 Runtime error 1246 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 25 ms 588 KB Output is correct
2 Correct 187 ms 31640 KB Output is correct
3 Correct 176 ms 31564 KB Output is correct
4 Runtime error 1246 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 688 KB Output is correct
2 Correct 31 ms 2160 KB Output is correct
3 Correct 257 ms 47720 KB Output is correct
4 Correct 28 ms 1796 KB Output is correct
5 Correct 28 ms 1684 KB Output is correct
6 Correct 1814 ms 377100 KB Output is correct
7 Correct 19 ms 704 KB Output is correct
8 Runtime error 2165 ms 524288 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -

Subtask #12
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 18 ms 688 KB Output is correct
2 Correct 31 ms 2160 KB Output is correct
3 Correct 257 ms 47720 KB Output is correct
4 Correct 28 ms 1796 KB Output is correct
5 Correct 28 ms 1684 KB Output is correct
6 Correct 1814 ms 377100 KB Output is correct
7 Correct 19 ms 704 KB Output is correct
8 Runtime error 2165 ms 524288 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -