Why Print answer modulo 10^9+7 | Modular Arithmetic | Competitive Programming Course | EP 11

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In this episode 11 of my competitive programming course, I discuss in detail all the things related to Modular arithmetic and explain why in a lot of questions it is asked to print answer modulo some MOD and why in a lot of cases this value of MOD is 10^9+7

Practice Question :
– https://www.spoj.com/problems/OPMODULO/

Timestamps:
Modular arithmetic formulae : (0:00)
Why print answer modulo M : (3:29)
Stepwise modulo : (7:20)
Why 10^9+7 is an ideal value of mod : (11:37)

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#modulo #modulararithmetic #competitiveprogramming