Compilare: user.cpp: In function ‘void solve()’: user.cpp:143:12: warning: unused variable ‘j’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:143:15: warning: unused variable ‘k’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:143:18: warning: unused variable ‘l’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:143:21: warning: unused variable ‘m’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp:143:24: warning: unused variable ‘n’ [-Wunused-variable] int t, i, j, k, l, m, n; ^ user.cpp: In function ‘int main()’: user.cpp:258:12: warning: unused variable ‘j’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:258:14: warning: unused variable ‘k’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:258:16: warning: unused variable ‘l’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:258:18: warning: unused variable ‘m’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^ user.cpp:258:20: warning: unused variable ‘n’ [-Wunused-variable] int T,i,x,j,k,l,m,n; ^