Compilare: user.cpp: In function ‘void P2()’: user.cpp:70:26: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(w[i] or !w[i] and w[i-1]){ ^ user.cpp:73:34: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[j] or !v[j] and v[j-1]) ^ user.cpp: In function ‘void P1()’: user.cpp:31:71: warning: ‘Y2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(((k[i].x2-k[i].x1+1)<=X2-X1-1) and ((k[i].y2-k[i].y1+1)<=Y2-Y1-1)) ^ user.cpp:31:71: warning: ‘Y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:20:27: warning: ‘X2’ may be used uninitialized in this function [-Wmaybe-uninitialized] int Max = -69, i, X1, X2, Y1, Y2; ^ user.cpp:20:23: warning: ‘X1’ may be used uninitialized in this function [-Wmaybe-uninitialized] int Max = -69, i, X1, X2, Y1, Y2; ^