taklo's blog

By taklo, history, 4 days ago, In English,

We are given an array 'a' of size N. We have 2 type of query Type 1 :- i , x update a[i] with a[i]+x Type 2:- i Give output S. Where S = a[0]+a[1]+.....+a[i] Constraint:- N<=100000 Q<=100000 Where N = size of array Q=Number of query

Example a={1,2,3,4,5,6} Type 1: 0,5 Type 2: 3 Type 1: 4,3 Type 2: 5

Output: 15 29

 
 
 
 
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4 days ago, # |
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Is this from a running contest?