foo.cc: In function 'int main()':
foo.cc:27:9: warning: unused variable 'g' [-Wunused-variable]
   27 | int A,B,g=0,count=0;
      |         ^
foo.cc:27:13: warning: unused variable 'count' [-Wunused-variable]
   27 | int A,B,g=0,count=0;
      |             ^~~~~
foo.cc:28:5: warning: unused variable 'a' [-Wunused-variable]
   28 | int a[10]={0},b[10]={0};
      |     ^
foo.cc:28:15: warning: unused variable 'b' [-Wunused-variable]
   28 | int a[10]={0},b[10]={0};
      |               ^

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