HasNyen9's blog

By HasNyen9, history, 2 months ago, In English

I get a lot of tips that i should see top coders/programmers code just to get some new information.Indeed,I get a lot of new information but I dont understand some specific part of their code,like how's that working.Is there any way to know that? As an example,look at this code:

int n;
cin>>n;
string s;
cin>>s;
int count[26]{0};
for(int i=0;i<n;i++)
  count[s[i]-'a']=1; //here i dont get the logic behind this part.I know what its doing.But i dont know how it is doing it.

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