foo.cc: In function 'int FindiMinPos(int*, int)':
foo.cc:20:12: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return p;
            ^
foo.cc: In function 'int main()':
foo.cc:30:40: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout << FindiMinPos(a1,n1) << ' '  << FindiMinPos(a2,n2);
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
foo.cc:30:35: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout << FindiMinPos(a1,n1) << ' '  << FindiMinPos(a2,n2);
                                   ^~~

[Hydro](https://hydro.ac)提供评测服务