Programming Language/코딩테스트
[Java/Kotlin/TypeScript] 배열의 값 한번에 더하기 (A Very Big Sum)
https://www.hackerrank.com/challenges/a-very-big-sum/problem?isFullScreen=true A Very Big Sum | HackerRankCalculate the sum of the values in an array that might exceed the range of int values.www.hackerrank.comHackerrank > A Very Big Sum 문제배열을 효율적으로 잘 더하는 방법.Java 8 이상public static long aVeryBigSum(List ar) { return ar.stream().mapToLong(Long::longValue).sum();}Kotlinfun aVeryBigSum(ar: Array)..
