Compilare: main.cpp: In function 'int main()': main.cpp:15:9: warning: unused variable 'a' [-Wunused-variable] int a=1, b=1; ^ main.cpp:15:14: warning: unused variable 'b' [-Wunused-variable] int a=1, b=1; ^ main.cpp:40:38: warning: 'drmax' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<smax<<" "<<stmax<<" "<<drmax; ^ main.cpp:40:28: warning: 'stmax' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<smax<<" "<<stmax<<" "<<drmax; ^~~