제출 #1096692

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1096692		nguyenvu	3단 점프 (JOI19_jumps)	C++14	5 / 100	4094 ms	1880 KiB

jumps

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define endl "\n"
#define F first
#define S second

const ll ool=1e18;
const int ooi=1e9;
const int MOD=1e9+7;
const int N=5e5;

int n,m;
int a[N+5],x[N+5];

void subtask1(int l,int r) // O(n*n)
{
    ll ans=0;
    for (int i=1;i<=n;i++) x[i]=0;
    for (int i=r;i>=l;i--) x[i]=max(x[i+1],a[i]);
    for (int i=l;i<r-1;i++)
        for (int j=i+1;j<r;j++)
            ans=max(ans,1LL*x[j-i+j]+a[i]+a[j]);
    cout<<ans<<endl;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);



    cin>>n;
    for (int i=1;i<=n;i++) cin>>a[i];
    cin>>m;
    for (int i=1;i<=m;i++)
    {
        int l,r; cin>>l>>r;
        subtask1(l,r);
    }
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 27
• Subtask 4: 0 / 54