/in/foo.cc: In function 'int main()':
/in/foo.cc:29:4: warning: 'num[0]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   29 |    if(num[0]<num[i]){
      |    ^~
/in/foo.cc:27:7: warning: 'temp' may be used uninitialized in this function [-Wmaybe-uninitialized]
   27 |   int temp;
      |       ^~~~