Submission #1172760

#	Time	Username	Problem	Language	Result	Execution time	Memory
1172760		ezzzay	Sum Zero (RMI20_sumzero)	C++20	0 / 100	2 ms	576 KiB

sumzero

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define int long long
const int N=1e5+3;
int sf[N];
int a[N];
int L[N];
int ps[N];
signed main(){
    int n,q;
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i];
    map<int,int>mp;
    mp[0]=0;
    for(int i=1;i<=n;i++){
        ps[i]=ps[i-1]+a[i];
        if(mp.find(ps[i])!=mp.end())L[i]= mp[ps[i]]+1;
        mp[ps[i]]=i;
    }
    vector<pair<int,int>>vc;
    for(int i=1;i<=n;i++){
        if(L[i]>0){
            vc.pb({L[i],i});
        }
    }
    sort(vc.begin(),vc.end());
    
    q=0;
    
    for(int i=0;i<q;i++){
        int l,r;
        cin>>l>>r;
    }
    
}

• Subtask 1: 0 / 22
• Subtask 2: 0 / 39
• Subtask 3: 0 / 39