Baekjoon Algorithm | Problem 15596: Sum of N Integers

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Source

https://www.acmicpc.net/problem/15596

Problem

Solve Baekjoon Online Judge problem 15596, Sum of N Integers.

Input

Follow the input format and constraints given in the original problem statement.

Output

Print the answer required by the problem.

Algorithm Classification

  • Math
  • Implementation
  • Arithmetic

Solution

import java.util.Arrays;

public class Test {
    long sum(int[] a) {
        long ans = 0;
        
        ans = Arrays.stream(a).sum();
        
        return ans;
    }
}

public class Test {
    long sum(int[] a) {
        long ans = 0;

        for (int i : a) {
            ans += i;
        }

        return ans;
    }
}