foo.cc: In function ‘int FindMinPos(int*, int)’:
foo.cc:11:16: warning: ‘index’ may be used uninitialized [-Wmaybe-uninitialized]
   11 |         return index;
      |                ^~~~~
foo.cc:4:24: note: ‘index’ was declared here
    4 |         int min=100000,index;
      |                        ^~~~~
foo.cc: In function ‘int main()’:
foo.cc:22:33: warning: ‘index’ may be used uninitialized [-Wmaybe-uninitialized]
   22 |         cout<<FindMinPos(a,n1)<<" "<<FindMinPos(b,n2);
      |                                 ^~~
foo.cc:4:24: note: ‘index’ was declared here
    4 |         int min=100000,index;
      |                        ^~~~~
foo.cc:22:53: warning: ‘index’ may be used uninitialized [-Wmaybe-uninitialized]
   22 |         cout<<FindMinPos(a,n1)<<" "<<FindMinPos(b,n2);
      |                                                     ^
foo.cc:4:24: note: ‘index’ was declared here
    4 |         int min=100000,index;
      |                        ^~~~~