answer.code:96: warning: "fixset" redefined
   96 | #define fixset(x) fixed << setprecision(x)
      | 
answer.code:21: note: this is the location of the previous definition
   21 | #define fixset(x) fixed<<setprecision(x)
      | 
answer.code:100: warning: "all" redefined
  100 | #define all(x) (x).begin(), (x).end()
      | 
answer.code:25: note: this is the location of the previous definition
   25 | #define all(x) (x).begin(),(x).end()
      | 
answer.code:101: warning: "ALL" redefined
  101 | #define ALL(x) (x).begin() + 1, (x).end()
      | 
answer.code:26: note: this is the location of the previous definition
   26 | #define ALL(x) (x).begin()+1,(x).end()
      | 
answer.code:83:6: error: redefinition of ‘template<class T1, class T2> void cmin(T1&, const T2&)’
   83 | void cmin(T1& x, const T2& y)
      |      ^~~~
answer.code:11:42: note: ‘template<class T1, class T2> void cmin(T1&, const T2&)’ previously declared here
   11 | template <typename T1, typename T2> void cmin(T1 &x, const T2 &y) {
      |                                          ^~~~
answer.code:88:6: error: redefinition of ‘template<class T1, class T2> void cmax(T1&, const T2&)’
   88 | void cmax(T1& x, const T2& y)
      |      ^~~~
answer.code:14:42: note: ‘template<class T1, class T2> void cmax(T1&, const T2&)’ previously declared here
   14 | template <typename T1, typename T2> void cmax(T1 &x, const T2 &y) {
      |                                          ^~~~
answer.code:94:7: error: conflicting declaration ‘using pii = struct std::pair<long long int, long long int>’
   94 | using pii = pair<int, int>;
      |       ^~~
answer.code:19:7: note: previous declaration as ‘using pii = struct std::pair<int, int>’
   19 | using pii = pair<int,int>;
      |       ^~~
answer.code:102:11: error: conflicting declaration ‘const long long int INF’
  102 | const int INF = 1000000000;
      |           ^~~
answer.code:27:11: note: previous declaration as ‘const int INF’
   27 | const int INF = 1000000000;
      |           ^~~
answer.code:103:10: error: redefinition of ‘const ll LNF’
  103 | const ll LNF = 1000000000000000000;
      |          ^~~
answer.code:28:10: note: ‘const ll LNF’ previously defined here
   28 | const ll LNF = 1000000000000000000;
      |          ^~~
answer.code:105:6: error: redefinition of ‘void solve()’
  105 | void solve()
      |      ^~~~~
answer.code:30:6: note: ‘void solve()’ previously defined here
   30 | void solve()
      |      ^~~~~
answer.code:140:8: error: redefinition of ‘int main()’
  140 | signed main()
      |        ^~~~
answer.code:57:8: note: ‘int main()’ previously defined here
   57 | signed main()
      |        ^~~~