Submission #850143

#	Time	Username	Problem	Language	Result	Execution time	Memory
850143		divad	Sum Zero (RMI20_sumzero)	C++14	0 / 100	2 ms	344 KiB

sumzero

#include <bits/stdc++.h>
using namespace std;
int n,x,pref;
map<int, int> mp;

int main()
{
    cin >> n;
    mp[0]++;
    int ans = 0;
    for(int i = 1; i <= n; i++){
        cin >> x;
        pref += x;
        ans += mp[pref];
        mp[pref]++;
    }
    if(ans > 1e5){
        return -1;
    }
    return 0;
}

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• Subtask 2: 0 / 39
• Subtask 3: 0 / 39