Submission #943459

#	Time	Username	Problem	Language	Result	Execution time	Memory
943459		IBory	Quality Of Living (IOI10_quality)	C++17	Compilation error	0 ms	0 KiB

quality

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

const int MAX = 3003;
int S[MAX][MAX], Y[MAX * MAX], X[MAX * MAX];

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	int N, M, H, W;
	cin >> N >> M >> H >> W;
	for (int i = 1; i <= N; ++i) for (int j = 1; j <= M; ++j) {
		int n;
		cin >> n;
		Y[n] = i, X[n] = j;
	}

	int L = 1, R = N * M;
	while (L + 1 < R) {
		int mid = (L + R) >> 1;
		memset(S, 0, sizeof(S));
		for (int i = 1; i <= mid; ++i) S[Y[i]][X[i]] = 1;
		for (int i = 1; i <= N; ++i) for (int j = 1; j <= M; ++j) S[i][j] += S[i][j - 1];
		for (int j = 1; j <= M; ++j) for (int i = 1; i <= N; ++i) S[i][j] += S[i - 1][j];
	
		int high = 0;
		for (int i = H; i <= N; ++i) for (int j = W; j <= M; ++j) {
			int s = S[i][j] - S[i - H][j] - S[i][j - W] + S[i - H][j - W];
			high = max(high, s);
		}
	
		((H * W + 1) / 2 <= high ? R : L) = mid;
	}

	cout << R;
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccZOUjCK.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccvGUB5J.o:quality.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccZOUjCK.o: in function `main':
grader.cpp:(.text.startup+0xe9): undefined reference to `rectangle(int, int, int, int, int (*) [3001])'
collect2: error: ld returned 1 exit status