Grading Students

By Vicky Chhetri May 12, 2022 #Case Study, #coding, #computer science, #Grading Students, #Top Algorithms, #vickychhetri

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Read Time:45 Second

'use strict';

const fs = require('fs');

process.stdin.resume();
process.stdin.setEncoding('utf-8');

let inputString = '';
let currentLine = 0;

process.stdin.on('data', function(inputStdin) {
    inputString += inputStdin;
});

process.stdin.on('end', function() {
    inputString = inputString.split('\n');

    main();
});

function readLine() {
    return inputString[currentLine++];
}

/*
 * Complete the 'gradingStudents' function below.
 *
 * The function is expected to return an INTEGER_ARRAY.
 * The function accepts INTEGER_ARRAY grades as parameter.
 */

function gradingStudents(grades) {
    grades.forEach(calculate);
    return grades;
}

function calculate(item, index, arr){
    if(item>=38){
        let hold=item%5
        if(5-hold<3){
            item=item+(5-hold)
        }
    }
    arr[index] = item;
}

function main() {
    const ws = fs.createWriteStream(process.env.OUTPUT_PATH);

    const gradesCount = parseInt(readLine().trim(), 10);

    let grades = [];

    for (let i = 0; i < gradesCount; i++) {
        const gradesItem = parseInt(readLine().trim(), 10);
        grades.push(gradesItem);
    }

    const result = gradingStudents(grades);

    ws.write(result.join('\n') + '\n');

    ws.end();
}