/in/foo.cc: In function 'int main()':
/in/foo.cc:26:21: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   for (int i = q; i <= strlen(c) - 1; i++) {
      |                   ~~^~~~~~~~~~~~~~~~
/in/foo.cc:31:9: warning: unused variable 'sum' [-Wunused-variable]
   31 |     int sum = 0;
      |         ^~~
/in/foo.cc:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   59 |    for (int j = 0; j <= strlen(temp[i]) - 1; j++) {
      |                    ~~^~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc:67:7: warning: 'num' may be used uninitialized in this function [-Wmaybe-uninitialized]
   67 |   int num;
      |       ^~~