#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
constexpr bool typetest = 0;
constexpr int N = 4e5 + 2;
#include "grader.h"
#include "quality.h"
int b[3001][3001];
int rectangle(int m, int n, int h, int w, int a[3001][3001])
{
auto Check = [&](int v)
{
for (int i = 1; i <= m; ++i)
for (int j = 1; j <= n; ++j)
b[i][j] = (a[i][j] >= v) + b[i - 1][j] + b[i][j - 1] - b[i - 1][j - 1];
for (int i = h; i <= m; ++i)
for (int j = w; j <= n; ++j)
if ((b[i][j] - b[i - h][j] - b[i][j - w] + b[i - h][j - w]) < (h * w + 1) / 2)
return false;
return true;
};
int l = 1, mid, r = m * n;
while (l <= r)
{
mid = (l + r) / 2;
if (Check(mid))
l = mid + 1;
else
r = mid - 1;
}
return r;
}
void Read()
{
}
void Solve()
{
}
int32_t main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t(1);
if (typetest)
cin >> t;
for (int _ = 1; _ <= t; ++_)
{
Read();
Solve();
}
}
Compilation message
/usr/bin/ld: /tmp/ccWl7plR.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccZDfr1Q.o:quality.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
