foo.cc: In member function 'void gjd::Add(std::vector<int>&)':
foo.cc:31:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<v.size()&&i<v2.size())
         ~^~~~~~~~~
foo.cc:31:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<v.size()&&i<v2.size())
                     ~^~~~~~~~~~
foo.cc:38:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<v.size())
         ~^~~~~~~~~
foo.cc:45:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<v2.size())
         ~^~~~~~~~~~
foo.cc: In member function 'void gjd::Sub(std::vector<int>)':
foo.cc:61:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<v.size()&&i<v1.size())
         ~^~~~~~~~~
foo.cc:61:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<v.size()&&i<v1.size())
                     ~^~~~~~~~~~
foo.cc: In member function 'void gjd::Mul(int)':
foo.cc:81:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(i<v.size())
         ~^~~~~~~~~

正在同步测试数据，请稍后
[Hydro](https://hydro.ac)提供评测服务