Submission #1334406

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Source Code Expand

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;

char s[1000][1000], ans[1001][1001];
int dx[]{ -1,0,0,1 }, dy[]{ 0,1,-1,0 };
int main() {
	int n; scanf("%d", &n);
	if (n > 9)abort();
	rep(i, n)scanf("%s", s[i]);
	rep(i, 1 << n) {
		rep(j, n)ans[0][j] = (i >> j & 1 ? '#' : '.');
		for (int j = 1; j < n; j++)rep(k, n) {
			int cnt = 0;
			rep(t, 3) {
				int nx = j - 1 + dx[t], ny = k + dy[t];
				if (0 <= nx&&nx < n && 0 <= ny&&ny < n&&ans[nx][ny] == '#')cnt++;
			}
			if (s[j - 1][k] == '#')ans[j][k] = (cnt % 2 ? '.' : '#');
			else ans[j][k] = (cnt % 2 ? '#' : '.');
		}
		rep(k, n) {
			int j = n - 1, cnt = 0;
			rep(t, 4) {
				int nx = j + dx[t], ny = k + dy[t];
				if (0 <= nx && 0 <= n && 0 <= ny&&ny < n&&ans[nx][ny] == '#')cnt++;
			}
			if ((s[j][k] == '#'&&cnt % 2 == 0) || (s[j][k] == '.'&&cnt % 2))goto g;
		}
		rep(j, n)printf("%s\n", ans[j]);
		return 0;
	g:;
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int n; scanf("%d", &n);
                        ^
./Main.cpp:10:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  rep(i, n)scanf("%s", s[i]);
                            ^

Judge Result