foo.cc: In member function 'void AlGO::Graph_Theory::HLPP_MaxFlow<N, M>::BFS()':
foo.cc:193:17: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
  193 |                 while(!QU.empty())QU.pop();QU.push(T);
      |                 ^~~~~
foo.cc:193:44: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
  193 |                 while(!QU.empty())QU.pop();QU.push(T);
      |                                            ^~
foo.cc: In member function 'bool AlGO::OIMath::Number_Theory::Miller_Rabin_CheckPrime::operator()(__int128)':
foo.cc:574:28: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
  574 |                     while(u&1^1)u>>=1,++t;
      |                           ~^~
foo.cc: In function '__int128 AlGO::FastIO::Read()':
foo.cc:1061:29: warning: 'last' may be used uninitialized [-Wmaybe-uninitialized]
 1061 |             return last=='-'?-s:s;
      |                    ~~~~~~~~~^~~~~
foo.cc:1058:39: note: 'last' was declared here
 1058 |             int s=0;char ch=getchar(),last;
      |                                       ^~~~

Found 10 testcases.
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