Compilare: user.cpp: In function ‘void solve()’: user.cpp:142:12: warning: unused variable ‘j’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:142:15: warning: unused variable ‘k’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:142:18: warning: unused variable ‘l’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:142:21: warning: unused variable ‘m’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:142:24: warning: unused variable ‘n’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp: In function ‘int main()’: user.cpp:407:12: warning: unused variable ‘j’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:407:14: warning: unused variable ‘k’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:407:16: warning: unused variable ‘l’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:407:18: warning: unused variable ‘m’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:407:20: warning: unused variable ‘n’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^