/in/foo.cc: In function 'int main()':
/in/foo.cc:14:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   14 |         for(int i=0;i<=strlen(c)-1;i++){
      |                     ~^~~~~~~~~~~~~
/in/foo.cc:24:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             if(i==strlen(c)-1) temp[x][y]='\0';
      |                ~^~~~~~~~~~~~~
/in/foo.cc:30:26: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   30 |             for(int j=0;j<=strlen(temp[i])-1;j++){
      |                         ~^~~~~~~~~~~~~~~~~~~
/in/foo.cc:38:13: warning: 'num' may be used uninitialized in this function [-Wmaybe-uninitialized]
   38 |         int num;
      |             ^~~