Submission #757107

#TimeUsernameProblemLanguageResultExecution timeMemory
757107jmyszka20073단 점프 (JOI19_jumps)C++17
5 / 100
4046 ms1096 KiB
#include <bits/stdc++.h>
using namespace std;
#define st first
#define nd second
#define pi pair<int, int>
#define vi vector<int>
#define pb push_back
constexpr int LIM = 5e5;
int tab[LIM + 10];
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++) {
		cin >> tab[i];
	}
	int t;
	cin >> t;
	while(t--) {
		int l, r;
		cin >> l >> r;
		int ans = 0;
		for(int i = l; i <= r - 2; i++) {
			for(int j = i + 1; j <= r - 1; j++) {
				for(int k = j + 1; k <= r; k++) {
					if(j - i <= k - j) {
						ans = max(ans, tab[i] + tab[j] + tab[k]);
					}
				}
			}
		}
		cout << ans << '\n';
	}
}
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