Submission #28128

#TimeUsernameProblemLanguageResultExecution timeMemory
28128메구스타스뚜구스타스뚜 (#71)The City and The Bitcoin (FXCUP2_city)C11
0 / 1
0 ms2268 KiB
#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"); return 0; }

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]);
    ^
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