Submission #366407

#	Time	Username	Problem	Language	Result	Execution time	Memory
366407		NONAME	3D Histogram (COCI20_histogram)	C++14	20 / 110	2553 ms	3320 KiB

histogram

#include <bits/stdc++.h>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
using namespace std;

const int man = (int)(2e5 + 500);

int n;
long long a[man], b[man];

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

    #ifdef _LOCAL
        in("inC.txt");
        out("outC.txt");
    #endif

    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> a[i] >> b[i];
    }
    
    long long ans = 0;
    for (int i = 0; i < n; ++i) {
        long long mna = a[i], mnb = b[i];
        for (int j = i; j < n; ++j) {
            mna = min(mna, a[j]);
            mnb = min(mnb, b[j]);
            ans = max(ans, (j - i + 1) * 1ll * mna * mnb);
        }
    }
    cout << ans << "\n";

    return 0;
}

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