/in/foo.cc: In function 'int main()':
/in/foo.cc:11:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   11 |   for(int i=0;i<strlen(s);i++){
      |               ~^~~~~~~~~~
/in/foo.cc:12:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   12 |    for(int j=i;j<strlen(s);j++) cout<<s[j];
      |                ~^~~~~~~~~~
/in/foo.cc:10:8: warning: unused variable 't' [-Wunused-variable]
   10 |   char t;
      |        ^