Submission #28117

#	Time	Username	Problem	Language	Result	Execution time	Memory
28117		메구스타스뚜구스타스뚜 (#71)	The City and The Bitcoin (FXCUP2_city)	C11	0 / 1	0 ms	2264 KiB

city

#include <stdio.h>
int map[300][300], visited[300][300], N, M;

void DFS(int x, int y) {
	visited[x][y] = 1;
	if (map[x + 1][y] == 1 && visited[x + 1][y] == 0 && x + 1 <= M)
		DFS(x + 1, y);
	if (map[x - 1][y] == 1 && visited[x - 1][y] == 0 && x - 1 >= 0)
		DFS(x - 1, y);
	if (map[x][y + 1] == 1 && visited[x][y + 1] == 0 && y + 1 <= N)
		DFS(x, y + 1);
	if (map[x][y - 1] == 1 && visited[x][y - 1] == 0 && y - 1 >= 0)
		DFS(x, y - 1);
}
int main() {
	int i, j;
	scanf("%d %d", &N, &M);
	for (i = 0; i < M; i++) {
		for (j = 0; j < N; j++)
			scanf("%d", &map[i][j]);
	}
	for (i = 0; i < M; i++) {
		for (j = 0; j < N; j++) {
			if (map[i][j] == 1) visited[i][j] = 0;
			else visited[i][j] = -1;
		}
	}
	DFS(0,0);
	if (visited[M - 1][N - 1] == 1) printf("Yes");
	else printf("No");
}

Compilation message (stderr)

city.c: In function 'main':
city.c:17:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &M);
  ^
city.c:20:4: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &map[i][j]);
    ^

• Subtask 1: 0 / 1