Submission #440691

#	Time	Username	Problem	Language	Result	Execution time	Memory
440691		MrDeboo	Fountain (eJOI20_fountain)	C++17	30 / 100	1588 ms	2716 KiB

fountain

#include <bits/stdc++.h>
#define int long long
#define mod 1000000007
#define endl '\n'
using namespace std;
signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n,q;
    cin>>n>>q;
    pair<int,int>pr[n];
    int pre[n];
    bool bl=true;
    for(int i=0;i<n;i++){
        cin>>pr[i].first>>pr[i].second;
        if(i==0)pre[i]=pr[i].first;
        else pre[i]=pre[i-1]+pr[i].first;
        if(i>0&&pr[i].first<=pr[i-1].first)bl=false;
    }
    while(q--){
        int r,v;
        cin>>r>>v;
        r--;
        for(int i=r;i<n;i++){
            if(pr[i].first>pr[r].first||i==r){v-=pr[i].second;r=i;}
            if(v<=0){cout<<i+1<<endl;break;}
            if(i==n-1)cout<<0<<endl;
        }
    }
}

Compilation message (stderr)

fountain.cpp: In function 'int main()':
fountain.cpp:12:10: warning: variable 'bl' set but not used [-Wunused-but-set-variable]
   12 |     bool bl=true;
      |          ^~

• Subtask 1: 30 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40