oj.uz

Submission #384535

# Submission time Handle Problem Language Result Execution time Memory
384535 2021-04-01T20:24:28 Z Peti Election (BOI18_election) C++14
28 / 100
 3000 ms 1020 KB 
#include <bits/stdc++.h>

using namespace std;

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

    int n, q;
    string s;
    cin>>n;
    cin>>s;
    cin>>q;

    for(int i = 0; i < q; i++){
        int l, r;
        cin>>l>>r;

        int x = 0;
        vector<bool> kell(n, false);
        for(int j = l-1; j < r; j++){
            if(s[j] == 'T' && x > 0){
                x--;
                kell[j] = true;
            } else if(s[j] == 'C')
                x++;
        }
        x = 0;
        for(int j = r-1; j >= l-1; j--){
            if(s[j] == 'T' && kell[j]){
                if(x == 0)
                    kell[j] = false;
                else
                    x--;
            } else if(s[j] == 'C')
                x++;
        }
        int meg = 0;
        for(int j = l-1; j < r; j++)
            if(s[j] == 'T' && !kell[j])
                meg++;
        cout<<meg<<"\n";
    }

    return 0;
}

Subtask #1
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 364 KB Output is correct
2 Correct 10 ms 364 KB Output is correct
3 Correct 9 ms 364 KB Output is correct
4 Correct 10 ms 364 KB Output is correct
5 Correct 7 ms 512 KB Output is correct

Subtask #2
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 364 KB Output is correct
2 Correct 10 ms 364 KB Output is correct
3 Correct 9 ms 364 KB Output is correct
4 Correct 10 ms 364 KB Output is correct
5 Correct 7 ms 512 KB Output is correct
6 Execution timed out 3039 ms 1020 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 364 KB Output is correct
2 Correct 10 ms 364 KB Output is correct
3 Correct 9 ms 364 KB Output is correct
4 Correct 10 ms 364 KB Output is correct
5 Correct 7 ms 512 KB Output is correct
6 Execution timed out 3039 ms 1020 KB Time limit exceeded
7 Halted 0 ms 0 KB -