Compilare: main.cpp: In function 'int main()': main.cpp:45:25: warning: unused variable 'ok' [-Wunused-variable] int i,j,x1,x2,y1,y2,ok; ^~ main.cpp:84:31: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<tmin<<" "<<x<<" "<<y; ^ main.cpp:84:25: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<tmin<<" "<<x<<" "<<y; ^~~ main.cpp:71:17: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(x2,y2,2); ^ main.cpp:70:17: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(x1,y1,1); ^ main.cpp:71:17: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(x2,y2,2); ^ main.cpp:70:17: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(x1,y1,1); ^