foo.cc: In function ‘int main()’:
foo.cc:9:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    9 |     for(int i=0;i<s.size();i++)
      |                 ~^~~~~~~~~
foo.cc:28:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   28 |     for(int i=0;i<=s.size();i++)
      |                 ~^~~~~~~~~~
foo.cc:54:18: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   54 |     for(int i=0;i<s.size();i++)
      |                 ~^~~~~~~~~
foo.cc:56:9: warning: ‘maxi’ may be used uninitialized [-Wmaybe-uninitialized]
   56 |         if(i==maxi)
      |         ^~
foo.cc:7:27: note: ‘maxi’ was declared here
    7 |     int max=-1,min=100000,maxi,mini;
      |                           ^~~~
foo.cc:64:9: warning: ‘mini’ may be used uninitialized [-Wmaybe-uninitialized]
   64 |         if(i==mini)
      |         ^~
foo.cc:7:32: note: ‘mini’ was declared here
    7 |     int max=-1,min=100000,maxi,mini;
      |                                ^~~~

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