Compilare: main.cpp: In function 'int main()': main.cpp:37:15: warning: unused variable 'm' [-Wunused-variable] long long m,k,n,i,j,pz; ^ main.cpp:37:17: warning: unused variable 'k' [-Wunused-variable] long long m,k,n,i,j,pz; ^ main.cpp:37:23: warning: unused variable 'j' [-Wunused-variable] long long m,k,n,i,j,pz; ^ main.cpp:37:25: warning: unused variable 'pz' [-Wunused-variable] long long m,k,n,i,j,pz; ^~ main.cpp:40:15: warning: unused variable 'a' [-Wunused-variable] long long a=0,b=0; ^ main.cpp:40:19: warning: unused variable 'b' [-Wunused-variable] long long a=0,b=0; ^