answer.code:4:19: error: conflicting declaration ‘typedef long long int uint’
    4 | typedef long long uint;
      |                   ^~~~
In file included from /usr/include/stdlib.h:394,
                 from /usr/include/c++/13/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:42,
                 from answer.code:1:
/usr/include/x86_64-linux-gnu/sys/types.h:150:22: note: previous declaration as ‘typedef unsigned int uint’
  150 | typedef unsigned int uint;
      |                      ^~~~
answer.code: In function ‘int main()’:
answer.code:53:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   53 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~