Eroare de compilare: user.cpp:5:7: error: expected nested-name-specifier before ‘int’ using int k; ^ user.cpp:5:7: error: expected unqualified-id before ‘int’ user.cpp:5:7: error: expected ‘;’ before ‘int’ user.cpp: In function ‘int main()’: user.cpp:27:9: warning: unused variable ‘s’ [-Wunused-variable] int s,cate,i,j,pp,f; ^ user.cpp:27:11: warning: unused variable ‘cate’ [-Wunused-variable] int s,cate,i,j,pp,f; ^ user.cpp:27:18: warning: unused variable ‘j’ [-Wunused-variable] int s,cate,i,j,pp,f; ^ user.cpp:27:20: warning: unused variable ‘pp’ [-Wunused-variable] int s,cate,i,j,pp,f; ^ user.cpp:28:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sume2.in","r",stdin); ^ user.cpp:29:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sume2.out","w",stdout); ^ user.cpp:30:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%u",&n,&k); ^ user.cpp:32:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^