What is prefix sum array? | Competitive Programming | Python tutorial | coding basics
What is prefix sum array? | Competitive Programming | Python tutorial | coding basics
We can easily process sum queries on a static array by constructing a prefix
sum array. Each value in the prefix sum array equals the sum of values in the
original array up to that position, i.e., the value at position k is sumq(0,k). The prefix sum array can be constructed in O(n) time.
Python is an interpreted high-level general-purpose programming language.
Python is the most in-demand programming language used for AI(artificial intelligence).
Competitive programming is a mind sport usually held over the Internet or a local network, involving participants trying to program according to provided specifications.
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