foo.cc: In member function 'HighInt HighInt::operator+(const HighInt&)':
foo.cc:21:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |                 for (int i = 0; i < data.size()||i<other.data.size(); i++)
      |                                 ~~^~~~~~~~~~~~~
foo.cc:21:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |                 for (int i = 0; i < data.size()||i<other.data.size(); i++)
      |                                                  ~^~~~~~~~~~~~~~~~~~
foo.cc:23:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |                         if(i<data.size()) t+=data[i];
      |                            ~^~~~~~~~~~~~
foo.cc:24:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |                         if(i<other.data.size()) t+=other.data[i];
      |                            ~^~~~~~~~~~~~~~~~~~
foo.cc: In member function 'Im HighInt::sub(Im&, Im&)':
foo.cc:45:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |                 for(int i=0,t=0;i<A.size();i++)
      |                                 ~^~~~~~~~~
foo.cc:48:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |                         if (i<B.size()) t-=B[i];
      |                             ~^~~~~~~~~
foo.cc: In function 'HighInt operator*(const HighInt&, int)':
foo.cc:76:45: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |                 for (long long i = 0,t=0; i < A.data.size()||t; i++)
      |                                           ~~^~~~~~~~~~~~~~~
foo.cc:78:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |                         if(i<A.data.size())
      |                            ~^~~~~~~~~~~~~~

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