Compilare: main.cpp: In function 'int main()': main.cpp:63:13: warning: unused variable 'x' [-Wunused-variable] int i,j,x,c,y; ^ main.cpp:63:15: warning: unused variable 'c' [-Wunused-variable] int i,j,x,c,y; ^ main.cpp:63:17: warning: unused variable 'y' [-Wunused-variable] int i,j,x,c,y; ^ main.cpp:124:46: warning: 'best2' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<bestflow<<" 2\n"<<best1<<" "<<best2; ^ main.cpp:124:36: warning: 'best1' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<bestflow<<" 2\n"<<best1<<" "<<best2; ^~~