24.cs

/* LINQ Puzzle #24 *******************************************************

Summary: Given a list integers, find the sum of all numbers in list where the index of 
the number equals the number at that index

Sample: { 6, 5, 4, 3, 2, 1, 6 } => 9
{ 0, 1, 1, 3 } => 4

************************************************************************/

var input = new [] { 6, 1, 5, 2, 4, 8, 7, 7, 2, 6, 10 };