Prime visits on hackerblocks

#1

https://ide.codingblocks.com/s/187728 please look at it and tell why hackerblocks is not accepting it

#2

hi @sgdon142,
while printing the answer use c_sum[a-1] only when a!=0 as if a==0, c_sum[-1] will give garbage value.
so do like;
if(a!=0){
a–;
}
cout<<c_sum[b]-c_sum[a]<<endl;
Rest of ur code is fine
Hope dis resolve ur doubt.

#3

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