Compilare: user.cpp: In function ‘int main()’: user.cpp:12:9: warning: unused variable ‘pari’ [-Wunused-variable] int pari=0; ^ user.cpp:13:9: warning: unused variable ‘impari’ [-Wunused-variable] int impari=0; ^ user.cpp:19:9: warning: variable ‘co’ set but not used [-Wunused-but-set-variable] int co; ^ user.cpp:20:9: warning: unused variable ‘pozi’ [-Wunused-variable] int pozi=1; ^ user.cpp:8:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("valentin.in","r",stdin); ^ user.cpp:9:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("valentin.out","w",stdout); ^ user.cpp:10:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ",&v1,&n); ^ user.cpp:16:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&v[i]); ^