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I had a very similiar answer.
console.log(arr.reduce((prev, curr) => prev + curr));
This is awesome. Can you hint me where I can read more about operator =>? Googling is not helpful
=>
It's part of the ES6 standard you can check out some documentation and examples here MDN LINK
Same in C# LINQ: var sum = arr.Sum(a => (long) a);
You can cut this down evern further, simply
static long aVeryBigSum(int n, long[] ar) { return ar.Sum(); }
A Very Big Sum
You are viewing a single comment's thread. Return to all comments →
I had a very similiar answer.
console.log(arr.reduce((prev, curr) => prev + curr));This is awesome. Can you hint me where I can read more about operator
=>? Googling is not helpfulIt's part of the ES6 standard you can check out some documentation and examples here MDN LINK
Same in C# LINQ: var sum = arr.Sum(a => (long) a);
You can cut this down evern further, simply