foo.cc: In function 'int main()':
foo.cc:18:10: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   18 |  int A,B,m,n,i,j,y=0;
      |          ^
foo.cc:9:7: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized]
    9 |   if(m%i==0)
      |      ~^~
foo.cc:18:12: note: 'n' was declared here
   18 |  int A,B,m,n,i,j,y=0;
      |            ^

[Hydro](https://hydro.ac)提供评测服务