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Submission #858931

# Submission time Handle Problem Language Result Execution time Memory
858931 2023-10-09T12:16:40 Z iulia_morariu Sum Zero (RMI20_sumzero) C++17
0 / 100
 799 ms 620 KB 
#include <bits/stdc++.h>

using namespace std;

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

    //1.
    int n, q;

    //2.
    cin >> n;
    int v[n], sp[n + 1];
    sp[0] = 0;

    //3.
    for(int i = 0; i < n; i++){
        cin >> v[i];
        sp[i + 1] = sp[i] + v[i];
    }
    cin >> q;

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

        map<int, int> mp;
        int cnt = 0;
        int lp = l - 1;


        mp[ sp[lp] ]++;
        for(int i = l; i <= r; i++){
            //cout << "i = " << i << " cnt = ";
            if(mp.find( sp[i] ) == mp.end()){
                mp[ sp[i] ] = i;
            }else{
                if( mp[ sp[i] ] >= lp ){
                    //cout << "( facem cu " << mp[ sp[i] ] << " )   ";
                    lp = i;
                    cnt++;
                }
                mp[ sp[i] ] = i;
            }
            //cout << cnt << endl;
        }

        cout << cnt << endl;
    }




    return 0;
}

Subtask #1
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 799 ms 620 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 799 ms 620 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 799 ms 620 KB Output isn't correct
2 Halted 0 ms 0 KB -