제출 #989982

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
989982		Acanikolic	3단 점프 (JOI19_jumps)	C++14	0 / 100	936 ms	403608 KiB

jumps

#include <bits/stdc++.h>  

#define int long long 

#define pb push_back
 
#define F first
 
#define S second
 
using namespace std;
 
const long long N = 5000 + 10;
 
const long long mod = 998244353;
 
const long long inf = 1e9;

int mx[N][N];
 
signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
 
	int n;
	cin >> n;
	vector<int>a(n + 1);
	for(int i = 1; i <= n; i++) cin >> a[i];
	for(int i = 1; i <= n; i++) {
		int M = a[i];
		for(int j = i; j <= n; j++) {
			M = max(M,a[j]);
			mx[i][j] = M;
		}
	}	
	int q;
	cin >> q;
	while(q--) {
		int l,r;
		cin >> l >> r;
		int res = 0;
		for(int i = l + 1; i + 1 <= r; i++) {
			int index = 2 * i - r;
			index = max(index,l);
			res = max(res,a[i] + mx[i + 1][r] + mx[index][i - 1]);
		} 
		cout << res << "\n"; 
	}
    return 0;
}

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