View Compilation Error

0_0_33589012_28188.cpp: In function 'long long int getnum(int, int)':
0_0_33589012_28188.cpp:34:2: error: 'll' was not declared in this scope
  ll i,sum=0;
  ^
0_0_33589012_28188.cpp:35:6: error: 'i' was not declared in this scope
  for(i=l;i<=r;i++)
      ^
0_0_33589012_28188.cpp:36:3: error: 'sum' was not declared in this scope
   sum=sum*10+a[i];
   ^
0_0_33589012_28188.cpp:37:9: error: 'sum' was not declared in this scope
  return sum;
         ^