foo.cc: In function 'int main()':
foo.cc:10:21: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int i = 0;i < strlen(s);i++)
      |                   ~~^~~~~~~~~~~
foo.cc:12:21: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     if(cnt1==0||cnt1== strlen(s))cout<<0;
      |                 ~~~~^~~~~~~~~~~~

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