Compilare: main.cpp: In function 'int main()': main.cpp:59:39: warning: unused variable 'ok' [-Wunused-variable] long long prod=1,nr,n,m,k,l,h,i,j,ok=0,rad=633,mod; ^~ main.cpp:59:44: warning: unused variable 'rad' [-Wunused-variable] long long prod=1,nr,n,m,k,l,h,i,j,ok=0,rad=633,mod; ^~~ main.cpp: In function 'long long int mex()': main.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type] } ^