제출 #1114862

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1114862		AdamGS	Fire (JOI20_ho_t5)	C++17	0 / 100	1065 ms	5380 KiB

ho_t5

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    long long n, q;
    cin>>n>>q;
    vector<long long> vect(n);
    for (long long i=0;i<n;i++) cin>>vect[i];
    long long t;
    cin>>t;
    for (long long i=0;i<t;i++){
        for (long long j=n-2;j>=0;j--){
            if (vect[j]>vect[j+1]) vect[j+1]=vect[j];
        }
    }
    vector<long long> prefSums(n+1);
    for (long long i=1;i<=n;i++) prefSums[i]=vect[i-1]+prefSums[i-1];
    for (long long qe=0;qe<q;qe++){
        if (qe>0) cin>>t;
        long long l, r;
        cin>>l>>r;
        cout<<prefSums[r]-prefSums[l-1]<<'\n';
    }
    return 0;
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 6
• Subtask 5: 0 / 80