Compilare: main.cpp: In function 'int main()': main.cpp:11:13: warning: unused variable 'j' [-Wunused-variable] int n,i,j,m,k=0,x=0; ^ main.cpp:11:15: warning: unused variable 'm' [-Wunused-variable] int n,i,j,m,k=0,x=0; ^ main.cpp:11:17: warning: unused variable 'k' [-Wunused-variable] int n,i,j,m,k=0,x=0; ^ main.cpp:11:21: warning: unused variable 'x' [-Wunused-variable] int n,i,j,m,k=0,x=0; ^