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Submission #446870

# Submission time Handle Problem Language Result Execution time Memory
446870 2021-07-23T15:29:30 Z wiwiho Inside information (BOI21_servers) C++14
2.5 / 100
 218 ms 524292 KB 
#include <bits/stdc++.h>

#define eb emplace_back

using namespace std;

typedef long long ll;

const int SZ = 120000;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, k;
    cin >> n >> k;

    vector<bitset<SZ>> b(n + 1);
    for(int i = 1; i <= n; i++) b[i].set(i);

    int q = n + k - 1;
    while(q--){

        string s;
        cin >> s;

        assert(s != "C");

        if(s == "S"){
            int u, v;
            cin >> u >> v;
            b[u] |= b[v];
            b[v] |= b[u];
            continue;
        }

        int v, c;
        cin >> v >> c;
        if(b[v][c]) cout << "yes\n";
        else cout << "no\n";

    }

    return 0;
}

Subtask #1
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2244 KB Output is correct
2 Correct 93 ms 60680 KB Output is correct
3 Correct 82 ms 60708 KB Output is correct
4 Correct 94 ms 60720 KB Output is correct
5 Correct 93 ms 60712 KB Output is correct
6 Correct 88 ms 60788 KB Output is correct

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2244 KB Output is correct
2 Correct 93 ms 60680 KB Output is correct
3 Correct 82 ms 60708 KB Output is correct
4 Correct 94 ms 60720 KB Output is correct
5 Correct 93 ms 60712 KB Output is correct
6 Correct 88 ms 60788 KB Output is correct
7 Runtime error 3 ms 1996 KB Execution killed with signal 6
8 Halted 0 ms 0 KB -

Subtask #3
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 37 ms 2252 KB Output is correct
2 Runtime error 218 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 37 ms 2252 KB Output is correct
2 Runtime error 218 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 39 ms 2240 KB Output is correct
2 Runtime error 210 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 2240 KB Output is correct
2 Runtime error 210 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 2180 KB Output is correct
2 Runtime error 214 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 36 ms 2180 KB Output is correct
2 Runtime error 214 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 34 ms 2228 KB Output is correct
2 Runtime error 209 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2228 KB Output is correct
2 Runtime error 209 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2240 KB Output is correct
2 Correct 96 ms 60656 KB Output is correct
3 Correct 81 ms 60740 KB Output is correct
4 Correct 97 ms 60760 KB Output is correct
5 Correct 93 ms 60688 KB Output is correct
6 Correct 90 ms 60996 KB Output is correct
7 Correct 35 ms 2244 KB Output is correct
8 Runtime error 214 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 34 ms 2240 KB Output is correct
2 Correct 96 ms 60656 KB Output is correct
3 Correct 81 ms 60740 KB Output is correct
4 Correct 97 ms 60760 KB Output is correct
5 Correct 93 ms 60688 KB Output is correct
6 Correct 90 ms 60996 KB Output is correct
7 Correct 35 ms 2244 KB Output is correct
8 Runtime error 214 ms 524292 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -