Eroare de compilare: user.cpp:16:22: error: ‘long long int div [1000005]’ redeclared as different kind of symbol long long div[1000005]; ^ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/stdc++.h:47, from user.cpp:1: /usr/include/stdlib.h:788:14: note: previous declaration ‘div_t div(int, int)’ extern div_t div (int __numer, int __denom) ^~~ user.cpp: In function ‘int main()’: user.cpp:23:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("frac.in","r",stdin); ^ user.cpp:24:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("frac.out","w",stdout); ^ user.cpp:26:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",&n,&k); ^