Submission #525978

#	Time	Username	Problem	Language	Result	Execution time	Memory
525978		tkwiatkowski	Quality Of Living (IOI10_quality)	C++17	Compilation error	0 ms	0 KiB

quality

/*
	Zadanie: 
	Autor: Tomasz Kwiatkowski
*/

#include <bits/stdc++.h>
#include "quality.h"
#define fi first
#define se second
#define pb push_back

using namespace std;
typedef long long ll;

const int MAXN = 1e6 + 7;
const int INF = 1e9 + 7;

bool check(int m, int R, int C, int H, int W, int Q[3001][])
{
	vector<vector<int>> pref(R + 1, vector<int>(C + 1));
	for (int i = 1; i <= R; ++i)
		for (int j = 1; j <= C; ++j)
			pref[i][j] = pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1] + (Q[i - 1][j - 1] >= m);
	for (int i = 1; i <= R-H+1; ++i)
		for (int j = 1; j <= C-W+1; ++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)
				return true;
	return false;
}

int rectangle(int R, int C, int H, int W, int Q[3001][])
{
	int lo = 1, hi = R*C;
	while (lo < hi) {
		int mid = (lo + hi + 1) / 2;
		if (check(mid, R, C, H, W, Q))
			lo = mid;
		else
			hi = mid - 1;
	}
	return lo;
}

Compilation message (stderr)

quality.cpp:18:51: error: declaration of 'Q' as multidimensional array must have bounds for all dimensions except the first
   18 | bool check(int m, int R, int C, int H, int W, int Q[3001][])
      |                                                   ^
quality.cpp: In function 'bool check(...)':
quality.cpp:20:27: error: 'R' was not declared in this scope
   20 |  vector<vector<int>> pref(R + 1, vector<int>(C + 1));
      |                           ^
quality.cpp:20:46: error: 'C' was not declared in this scope
   20 |  vector<vector<int>> pref(R + 1, vector<int>(C + 1));
      |                                              ^
quality.cpp:23:73: error: 'Q' was not declared in this scope
   23 |    pref[i][j] = pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1] + (Q[i - 1][j - 1] >= m);
      |                                                                         ^
quality.cpp:23:92: error: 'm' was not declared in this scope
   23 |    pref[i][j] = pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1] + (Q[i - 1][j - 1] >= m);
      |                                                                                            ^
quality.cpp:24:25: error: 'H' was not declared in this scope
   24 |  for (int i = 1; i <= R-H+1; ++i)
      |                         ^
quality.cpp:25:26: error: 'W' was not declared in this scope
   25 |   for (int j = 1; j <= C-W+1; ++j)
      |                          ^
quality.cpp: At global scope:
quality.cpp:31:47: error: declaration of 'Q' as multidimensional array must have bounds for all dimensions except the first
   31 | int rectangle(int R, int C, int H, int W, int Q[3001][])
      |                                               ^
quality.cpp: In function 'int rectangle(...)':
quality.cpp:33:19: error: 'R' was not declared in this scope
   33 |  int lo = 1, hi = R*C;
      |                   ^
quality.cpp:33:21: error: 'C' was not declared in this scope
   33 |  int lo = 1, hi = R*C;
      |                     ^
quality.cpp:36:24: error: 'H' was not declared in this scope
   36 |   if (check(mid, R, C, H, W, Q))
      |                        ^
quality.cpp:36:27: error: 'W' was not declared in this scope
   36 |   if (check(mid, R, C, H, W, Q))
      |                           ^
quality.cpp:36:30: error: 'Q' was not declared in this scope
   36 |   if (check(mid, R, C, H, W, Q))
      |                              ^