Why is this code not working and the code below is properly working?

#1

Why is this code not working and the code below is properly working?



Problem: -
http://codeforces.com/problemset/problem/160/A

#2

hi @cbcao263 the question is asking for minimum number of coins needed, and if you add larger numbers( ie if you start from the back of a sorted array) you will need less numbers, whereas if you add smaller numbers (ie if you start from front of a sorted array) you will need more numbers.

#3

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