Compilare: user.cpp: In function ‘int main()’: user.cpp:149:43: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘bool*’ [-Wformat=] scanf("%d", &seen[f][i][j]); ^ user.cpp:134:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cub.in", "r", stdin); ^ user.cpp:135:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cub.out", "w", stdout); ^ user.cpp:139:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ user.cpp:141:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &start.f, &start.x, &start.y); ^ user.cpp:144:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &t[i].f, &t[i].x, &t[i].y); ^ user.cpp:149:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &seen[f][i][j]); ^ user.cpp: In function ‘void bfs()’: user.cpp:47:34: warning: iteration 4u invokes undefined behavior [-Waggressive-loop-optimizations] son.x = node.x + dx[i]; ^ user.cpp:44:9: note: containing loop for(i=0; i<7; ++i) ^