oj.uz

Submission #863570

# Submission time Handle Problem Language Result Execution time Memory
863570 2023-10-20T15:15:52 Z HossamHero7 Inside information (BOI21_servers) C++14
2.5 / 100
 81 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
bitset<120001> vis[120001];
void solve(){
    int n,q;
    cin>>n>>q;
    for(int i=0;i<n;i++) vis[i][i] = 1; 
    vector<int> cnt(n+1,1);
    for(int qq=0;qq<n+q-1;qq++){
        char c;
        int a,b;
        cin>>c>>a;
        a --;
        if(c != 'C') cin>>b, b--;
        if(c == 'S'){
            vis[a] |= vis[b];
            vis[b] = vis[a];
        }
        else cout<<(vis[a][b] ? "yes" : "no")<<endl;
    }
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2908 KB Output is correct
2 Correct 38 ms 60504 KB Output is correct
3 Correct 31 ms 60508 KB Output is correct
4 Correct 35 ms 60508 KB Output is correct
5 Correct 33 ms 60496 KB Output is correct
6 Correct 31 ms 60508 KB Output is correct

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2908 KB Output is correct
2 Correct 38 ms 60504 KB Output is correct
3 Correct 31 ms 60508 KB Output is correct
4 Correct 35 ms 60508 KB Output is correct
5 Correct 33 ms 60496 KB Output is correct
6 Correct 31 ms 60508 KB Output is correct
7 Incorrect 15 ms 2908 KB Extra information in the output file
8 Halted 0 ms 0 KB -

Subtask #3
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 16 ms 2904 KB Output is correct
2 Runtime error 79 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 16 ms 2904 KB Output is correct
2 Runtime error 79 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 15 ms 3160 KB Output is correct
2 Runtime error 81 ms 524288 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 15 ms 3160 KB Output is correct
2 Runtime error 81 ms 524288 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 18 ms 2904 KB Output is correct
2 Runtime error 78 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 18 ms 2904 KB Output is correct
2 Runtime error 78 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 21 ms 2904 KB Output is correct
2 Runtime error 78 ms 524288 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 21 ms 2904 KB Output is correct
2 Runtime error 78 ms 524288 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 22 ms 2904 KB Output is correct
2 Correct 43 ms 60440 KB Output is correct
3 Correct 32 ms 60496 KB Output is correct
4 Correct 42 ms 60496 KB Output is correct
5 Correct 33 ms 60496 KB Output is correct
6 Correct 35 ms 60524 KB Output is correct
7 Correct 15 ms 2908 KB Output is correct
8 Runtime error 77 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 22 ms 2904 KB Output is correct
2 Correct 43 ms 60440 KB Output is correct
3 Correct 32 ms 60496 KB Output is correct
4 Correct 42 ms 60496 KB Output is correct
5 Correct 33 ms 60496 KB Output is correct
6 Correct 35 ms 60524 KB Output is correct
7 Correct 15 ms 2908 KB Output is correct
8 Runtime error 77 ms 524288 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -