Compilare: main.cpp: In function 'void build()': main.cpp:57:23: warning: unused variable 'mij' [-Wunused-variable] 57 | long long int nr, mij; | ^~~ main.cpp: In function 'int main()': main.cpp:89:21: warning: unused variable 'm' [-Wunused-variable] 89 | long long int n,m,i,j,k,t,q,nr; | ^ main.cpp:89:27: warning: unused variable 'k' [-Wunused-variable] 89 | long long int n,m,i,j,k,t,q,nr; | ^ main.cpp:89:29: warning: unused variable 't' [-Wunused-variable] 89 | long long int n,m,i,j,k,t,q,nr; | ^ main.cpp:89:31: warning: unused variable 'q' [-Wunused-variable] 89 | long long int n,m,i,j,k,t,q,nr; | ^