Compilare: user.cpp: In function ‘void DFS(int, int, int)’: user.cpp:26:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if ( pasi[nod] == steps ) ^ user.cpp: In function ‘int main()’: user.cpp:44:21: warning: overflow in implicit constant conversion [-Woverflow] cost[i] = pasi[i] = inf; ^ user.cpp:46:20: warning: overflow in implicit constant conversion [-Woverflow] cost[N] = pasi[N] = inf; ^ user.cpp:41:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d",&N); ^ user.cpp:48:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d",&A); ^ user.cpp:50:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d%d",&poz,&cant); ^ user.cpp:55:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d",&B); ^ user.cpp:57:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d%d",&poz,&cant); ^