Submission #418048

#	Time	Username	Problem	Language	Result	Execution time	Memory
418048		Chaska	Fire (JOI20_ho_t5)	C++11	1 / 100	1096 ms	5356 KiB

ho_t5

#include <bits/stdc++.h>
#define F first
#define S second
#define ll long long
using namespace std;
typedef pair<long long,long long> ii;
const int N = 2e5+5;
ll n,q;
ll a[N],b[N];
int main()
{
    cin.tie(0); ios_base::sync_with_stdio(0);
    cin >> n >> q;
    for (int i=1;i<=n;i++) 
        cin >> a[i];
    while (q--) {
        int x,l,r;
        cin >> x >> l >> r;
        for (int i=1;i<=n;i++) b[i] = 0;
        for (int i=1;i<=n;i++) for (int j=0;j<=x;j++) {
            if (i+j<=n) b[i+j] = max(b[i+j],a[i]);
        }
        ll s = 0;
        for (int i=l;i<=r;i++) s += b[i];
        cout << s << "\n";
    }
    return 0;
}

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