/in/foo.cc: In function 'int main()':
/in/foo.cc:10:13: error: redeclaration of 'int count'
  int i = 0, count = 0;
             ^~~~~
/in/foo.cc:5:22: note: 'int count' previously declared here
  int k1 = 0, k2 = 0, count = 0;
                      ^~~~~