foo.cc: In function 'int main()':
foo.cc:14:3: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
   14 | if(x%j==0)
      |   ^
foo.cc:7:7: warning: unused variable 'n1' [-Wunused-variable]
    7 | int n,n1,a1=1,b1=1,x,m;
      |       ^~
foo.cc:7:10: warning: unused variable 'a1' [-Wunused-variable]
    7 | int n,n1,a1=1,b1=1,x,m;
      |          ^~
foo.cc:7:15: warning: unused variable 'b1' [-Wunused-variable]
    7 | int n,n1,a1=1,b1=1,x,m;
      |               ^~
foo.cc:26:7: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 | cout<<m;
      |       ^

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