day5.java

/*
Given an array of integers, find the sum of its elements.

For example, if the array , , so return .

Function Description

Complete the simpleArraySum function in the editor below. It must return the sum of the array elements as an integer.

simpleArraySum has the following parameter(s):

ar: an array of integers
Input Format

The first line contains an integer, , denoting the size of the array.
The second line contains  space-separated integers representing the array's elements.

Constraints


Output Format

Print the sum of the array's elements as a single integer.

Sample Input

6
1 2 3 4 10 11
Sample Output

31

Solution
*/

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

class Result {

    /*
     * Complete the 'simpleArraySum' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts INTEGER_ARRAY ar as parameter.
     */

    public static int simpleArraySum(List<Integer> ar) {
    // Write your code here
        int sum = 0;
        for(int i : ar){
            sum = sum + i;
        }
        return sum;
    }

}

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int arCount = Integer.parseInt(bufferedReader.readLine().trim());

        String[] arTemp = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");

        List<Integer> ar = new ArrayList<>();

        for (int i = 0; i < arCount; i++) {
            int arItem = Integer.parseInt(arTemp[i]);
            ar.add(arItem);
        }

        int result = Result.simpleArraySum(ar);

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}