http://codeforces.me/contest/982/problem/D
I don't get why we need to add +1 to a[i]. I understand that we need to add if n = 1. But why do we need to do so in other cases?
Shark help
http://codeforces.me/contest/982/problem/D
I don't get why we need to add +1 to a[i]. I understand that we need to add if n = 1. But why do we need to do so in other cases?
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