Submission #445383

#	Time	Username	Problem	Language	Result	Execution time	Memory
445383		grt	3D Histogram (COCI20_histogram)	C++17	20 / 110	6 ms	460 KiB

histogram

#include <bits/stdc++.h>
#define ST first
#define ND second
#define PB push_back

using namespace std;
using ll = long long;
using pi = pair<int,int>;
using vi = vector<int>;

const int nax = 2000 + 10, INF = 1e9;
int a[nax], b[nax], n;
ll ans;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for(int i = 0; i < n; ++i) {
		cin >> a[i] >> b[i];
	}
	for(int l = 0; l < n; ++l) {
		int A = INF, B = INF;
		for(int r = l; r < n; ++r) {
			A = min(A, a[r]);
			B = min(B, b[r]);
			ans = max(ans, (ll)A * B * (r - l + 1));
		}
	}
	cout << ans;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 90