Submission #925498

#	Time	Username	Problem	Language	Result	Execution time	Memory
925498		VMaksimoski008	Quality Of Living (IOI10_quality)	C++14	0 / 100	19 ms	37464 KiB

quality

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

int pref[3001][3001];

int rectangle(int n, int m, int h, int w, int q[3001][3001]) {
    int l=0, r=24, ans = 0;

    while(l <= r) {
        int mid = (l + r) / 2;
        bool ok = 0;
        memset(pref, 0, sizeof(pref));

        for(int i=1; i<=n; i++)
            for(int j=1; j<=m; j++)
                pref[i][j] = (q[i-1][j-1] <= mid) + pref[i-1][j] + pref[i][j-1] - pref[i-1][j-1];

        for(int i=1; i+h-1<=n; i++)
            for(int j=1; j+w-1<=m; j++)
                if(2ll * (pref[i+h-1][j+w-1] - pref[i-1][j+w-1] - pref[i+h-1][j-1] + pref[i-1][j-1]) >= 1ll * h * w) ok = 1;

        if(ok) ans = mid, r = mid - 1;
        else l = mid + 1;
    }

    return ans;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20