oj.uz

Submission #925509

# Submission time Handle Problem Language Result Execution time Memory
925509 2024-02-11T20:39:37 Z VMaksimoski008 Quality Of Living (IOI10_quality) C++14
100 / 100
 1113 ms 71268 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 17 ms 37724 KB Output is correct
2 Correct 17 ms 37724 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 17 ms 37724 KB Output is correct
2 Correct 17 ms 37724 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 20 ms 37724 KB Output is correct
5 Correct 18 ms 37724 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 17 ms 37724 KB Output is correct
2 Correct 17 ms 37724 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 20 ms 37724 KB Output is correct
5 Correct 18 ms 37724 KB Output is correct
6 Correct 17 ms 37724 KB Output is correct
7 Correct 26 ms 39800 KB Output is correct
8 Correct 26 ms 39772 KB Output is correct
9 Correct 26 ms 39772 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 37724 KB Output is correct
2 Correct 17 ms 37724 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 20 ms 37724 KB Output is correct
5 Correct 18 ms 37724 KB Output is correct
6 Correct 17 ms 37724 KB Output is correct
7 Correct 26 ms 39800 KB Output is correct
8 Correct 26 ms 39772 KB Output is correct
9 Correct 26 ms 39772 KB Output is correct
10 Correct 132 ms 47952 KB Output is correct
11 Correct 127 ms 47916 KB Output is correct
12 Correct 74 ms 47952 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 37724 KB Output is correct
2 Correct 17 ms 37724 KB Output is correct
3 Correct 16 ms 37724 KB Output is correct
4 Correct 20 ms 37724 KB Output is correct
5 Correct 18 ms 37724 KB Output is correct
6 Correct 17 ms 37724 KB Output is correct
7 Correct 26 ms 39800 KB Output is correct
8 Correct 26 ms 39772 KB Output is correct
9 Correct 26 ms 39772 KB Output is correct
10 Correct 132 ms 47952 KB Output is correct
11 Correct 127 ms 47916 KB Output is correct
12 Correct 74 ms 47952 KB Output is correct
13 Correct 1113 ms 71268 KB Output is correct
14 Correct 1071 ms 70760 KB Output is correct
15 Correct 1070 ms 71064 KB Output is correct