Compilare: user.cpp: In function ‘int main()’: user.cpp:34:12: warning: unused variable ‘nr’ [-Wunused-variable] int n, i, nr, j, p, k,x1,y1; ^ user.cpp:34:16: warning: unused variable ‘j’ [-Wunused-variable] int n, i, nr, j, p, k,x1,y1; ^ user.cpp:36:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &p, &k); ^ user.cpp:38:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &d[i], &c[i]); ^ user.cpp:45:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x1, &y1); ^