oj.uz

Submission #925511

# Submission time Handle Problem Language Result Execution time Memory
925511 2024-02-11T20:41:51 Z VMaksimoski008 Quality Of Living (IOI10_quality) C++14
100 / 100
 1172 ms 71004 KB 
#include <iostream>
#include "quality.h"
using namespace std;

int rectangle(int n, int m, int h, int w, int q[3001][3001]) {
    int l=(h*w+1)/2, r=n*m-(h*w)/2, ans=0, pref[3001][3001];

    while(l <= r) {
        int M = (l + r) / 2;
        bool ok = 0;

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

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

    return ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 37724 KB Output is correct
2 Correct 16 ms 37748 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 37724 KB Output is correct
2 Correct 16 ms 37748 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 17 ms 37724 KB Output is correct
5 Correct 17 ms 37632 KB Output is correct
6 Correct 17 ms 37724 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 37724 KB Output is correct
2 Correct 16 ms 37748 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 17 ms 37724 KB Output is correct
5 Correct 17 ms 37632 KB Output is correct
6 Correct 17 ms 37724 KB Output is correct
7 Correct 28 ms 39760 KB Output is correct
8 Correct 25 ms 39772 KB Output is correct
9 Correct 26 ms 39692 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 37724 KB Output is correct
2 Correct 16 ms 37748 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 17 ms 37724 KB Output is correct
5 Correct 17 ms 37632 KB Output is correct
6 Correct 17 ms 37724 KB Output is correct
7 Correct 28 ms 39760 KB Output is correct
8 Correct 25 ms 39772 KB Output is correct
9 Correct 26 ms 39692 KB Output is correct
10 Correct 125 ms 47920 KB Output is correct
11 Correct 124 ms 47924 KB Output is correct
12 Correct 73 ms 47880 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 37724 KB Output is correct
2 Correct 16 ms 37748 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 17 ms 37724 KB Output is correct
5 Correct 17 ms 37632 KB Output is correct
6 Correct 17 ms 37724 KB Output is correct
7 Correct 28 ms 39760 KB Output is correct
8 Correct 25 ms 39772 KB Output is correct
9 Correct 26 ms 39692 KB Output is correct
10 Correct 125 ms 47920 KB Output is correct
11 Correct 124 ms 47924 KB Output is correct
12 Correct 73 ms 47880 KB Output is correct
13 Correct 1172 ms 71004 KB Output is correct
14 Correct 1025 ms 71000 KB Output is correct
15 Correct 1034 ms 70884 KB Output is correct