Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:21:6: error: ‘algsort’ was not declared in this scope {algsort.in ^~~~~~~ user.cpp:14:20: warning: unused variable ‘x’ [-Wunused-variable] int h[100],n,i,x,v[100],k=0; ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.in","r",stdin); ^ user.cpp:16:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.out","w",stdout); ^