Compilare: main.cpp: In function 'void Read()': main.cpp:15:26: warning: suggest parentheses around assignment used as truth value [-Wparentheses] ad[x][y]=fd[x][y]=1; ~~~~~~~~^~ main.cpp: In function 'void Query(int, int)': main.cpp:57:22: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(fd[x][i]>0&&fd[y][i]<=0||fd[x][i]<=0&&fd[y][i]>0) ~~~~~~~~~~^~~~~~~~~~~~~