foo.cc: In function 'int main()':
foo.cc:22:11: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |  for(i=0;i<s.size();i++)
      |          ~^~~~~~~~~
foo.cc:27:15: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll' {aka 'long long int'} [-Wformat=]
   27 |  printf("Sum:%d\n", j);
      |              ~^     ~
      |               |     |
      |               int   ll {aka long long int}
      |              %lld
foo.cc:28:17: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll' {aka 'long long int'} [-Wformat=]
   28 |  printf("Numer:%d\n", k);
      |                ~^     ~
      |                 |     |
      |                 int   ll {aka long long int}
      |                %lld
foo.cc:29:9: warning: too many arguments for format [-Wformat-extra-args]
   29 |  printf("Factors:", k);
      |         ^~~~~~~~~~
foo.cc:31:12: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll' {aka 'long long int'} [-Wformat=]
   31 |  printf("%6d",a[i]);
      |          ~~^  ~~~~
      |            |     |
      |            int   ll {aka long long int}
      |          %6lld

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