Compilare: user.cpp: In function ‘int good(int, int, int, int, int, int)’: user.cpp:40:17: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(y==y1&&(x1<=x&&x<=x2)||(x2<=x&&x<=x1)) ^ user.cpp:45:17: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(x==x1&&(y1<=y&&y<=y2)||(y2<=y&&y<=y1)) ^ user.cpp: In function ‘int main()’: user.cpp:56:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&n,&m); ^ user.cpp:58:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&x,&y); ^ user.cpp:72:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%c %d " ,&dir,&l); ^ user.cpp:132:21: warning: ‘e’ may be used uninitialized in this function [-Wmaybe-uninitialized] e=(e+ind)%16; ^