Compilare: user.cpp: In function ‘int main()’: user.cpp:14:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, s, t, d, k, vf; ^ user.cpp:14:21: warning: unused variable ‘t’ [-Wunused-variable] int n, i, j, s, t, d, k, vf; ^ user.cpp:14:24: warning: unused variable ‘d’ [-Wunused-variable] int n, i, j, s, t, d, k, vf; ^ user.cpp:11:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strabunica.in","r",stdin); ^ user.cpp:12:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strabunica.out","w",stdout); ^ user.cpp:18:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:23:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] else scanf("%d",&k); ^