/in/foo.cc: In function 'int main()':
/in/foo.cc:12:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   if(num==strlen(p))cout<<"Scissors"<<endl;
      |      ~~~^~~~~~~~~~~
/in/foo.cc:13:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   13 |   if(num==strlen(s))cout<<"Rock"<<endl;
      |      ~~~^~~~~~~~~~~
/in/foo.cc:14:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   14 |   if(num==strlen(r))cout<<"Paper"<<endl;
      |      ~~~^~~~~~~~~~~