Compilare: main.cpp: In function 'int main()': main.cpp:59:12: warning: unused variable 'j' [-Wunused-variable] 59 | int i, j, c, u, v, n, m,k; | ^ main.cpp:59:15: warning: unused variable 'c' [-Wunused-variable] 59 | int i, j, c, u, v, n, m,k; | ^ main.cpp:59:21: warning: unused variable 'v' [-Wunused-variable] 59 | int i, j, c, u, v, n, m,k; | ^ main.cpp:59:27: warning: unused variable 'm' [-Wunused-variable] 59 | int i, j, c, u, v, n, m,k; | ^ main.cpp:59:29: warning: unused variable 'k' [-Wunused-variable] 59 | int i, j, c, u, v, n, m,k; | ^ main.cpp:61:19: warning: unused variable 'nr' [-Wunused-variable] 61 | double d1, d2,nr; | ^~