Submission #489156

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
489156	2021-11-21T10:21:20 Z	PiejanVDC	Inside information (BOI21_servers)	C++17	2.5 / 100	3500 ms	524292 KB

servers

#include <bits/stdc++.h>
using namespace std;

signed main() {
    int n,k; cin>>n>>k;
    vector<set<int>>v(n);
    for(int i = 0 ; i < n ; i++)
        v[i].insert(i);
    for(int i = 0 ; i < n+k-1 ; i++) {
        char c; cin>>c;
        if(c == 'S') {
            int a,b; cin>>a>>b;
            a--,b--;
            if(v[a].size() < v[b].size()) swap(v[a],v[b]);
            for(auto it = v[b].begin() ; it != v[b].end() ; it++) {
                v[a].insert(*it);
            }
            v[b] = v[a];
        } else if(c == 'Q') {
            int a,d; cin>>a>>d;
            a--,d--;
            if(v[a].count(d)) {
                cout << "yes\n";
            } else cout << "no\n";
        } else {
            int d; cin>>d;
            d--;
            int cnt=0;
            for(auto z : v)
                if(z.count(d)) cnt++;
            cout << cnt << "\n";
        }
    }
}

Subtask #1
2.5 / 2.5

#	Verdict	Execution time	Memory	Grader output
1	Correct	183 ms	1320 KB	Output is correct
2	Correct	216 ms	2840 KB	Output is correct
3	Correct	335 ms	48224 KB	Output is correct
4	Correct	206 ms	2276 KB	Output is correct
5	Correct	217 ms	2356 KB	Output is correct
6	Correct	813 ms	377436 KB	Output is correct

Subtask #2
0 / 2.5

#	Verdict	Execution time	Memory	Grader output
1	Correct	183 ms	1320 KB	Output is correct
2	Correct	216 ms	2840 KB	Output is correct
3	Correct	335 ms	48224 KB	Output is correct
4	Correct	206 ms	2276 KB	Output is correct
5	Correct	217 ms	2356 KB	Output is correct
6	Correct	813 ms	377436 KB	Output is correct
7	Correct	275 ms	1080 KB	Output is correct
8	Execution timed out	3569 ms	1616 KB	Time limit exceeded
9	Halted	0 ms	0 KB	-

Subtask #3
0 / 2.5

#	Verdict	Execution time	Memory	Grader output
1	Correct	201 ms	1576 KB	Output is correct
2	Runtime error	535 ms	524292 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	201 ms	1576 KB	Output is correct
2	Runtime error	535 ms	524292 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	182 ms	1500 KB	Output is correct
2	Correct	416 ms	33116 KB	Output is correct
3	Correct	391 ms	33040 KB	Output is correct
4	Runtime error	890 ms	524292 KB	Execution killed with signal 9

Subtask #6
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	182 ms	1500 KB	Output is correct
2	Correct	416 ms	33116 KB	Output is correct
3	Correct	391 ms	33040 KB	Output is correct
4	Runtime error	890 ms	524292 KB	Execution killed with signal 9

Subtask #7
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	183 ms	1456 KB	Output is correct
2	Runtime error	603 ms	524292 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	183 ms	1456 KB	Output is correct
2	Runtime error	603 ms	524292 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	202 ms	1644 KB	Output is correct
2	Correct	452 ms	33036 KB	Output is correct
3	Correct	415 ms	33132 KB	Output is correct
4	Runtime error	863 ms	524292 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	202 ms	1644 KB	Output is correct
2	Correct	452 ms	33036 KB	Output is correct
3	Correct	415 ms	33132 KB	Output is correct
4	Runtime error	863 ms	524292 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	186 ms	1436 KB	Output is correct
2	Correct	213 ms	2680 KB	Output is correct
3	Correct	342 ms	48172 KB	Output is correct
4	Correct	201 ms	2268 KB	Output is correct
5	Correct	208 ms	2140 KB	Output is correct
6	Correct	760 ms	377400 KB	Output is correct
7	Correct	190 ms	1268 KB	Output is correct
8	Runtime error	490 ms	524292 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	186 ms	1436 KB	Output is correct
2	Correct	213 ms	2680 KB	Output is correct
3	Correct	342 ms	48172 KB	Output is correct
4	Correct	201 ms	2268 KB	Output is correct
5	Correct	208 ms	2140 KB	Output is correct
6	Correct	760 ms	377400 KB	Output is correct
7	Correct	190 ms	1268 KB	Output is correct
8	Runtime error	490 ms	524292 KB	Execution killed with signal 9
9	Halted	0 ms	0 KB	-

Submission #489156

Compilation message