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equal.js
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equal.js
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'use strict';
const fs = require('fs');
process.stdin.resume();
process.stdin.setEncoding('utf-8');
let inputString = '';
let currentLine = 0;
process.stdin.on('data', inputStdin => {
inputString += inputStdin;
});
process.stdin.on('end', _ => {
inputString = inputString.replace(/\s*$/, '')
.split('\n')
.map(str => str.replace(/\s*$/, ''));
main();
});
function readLine() {
return inputString[currentLine++];
}
// Complete the equal function below.
function equal(arr) {
var r = arr.sort((x, y) => x - y);
var min = Number.MAX_VALUE;
for (var i = 0; i < 3; i++) {
var count = 0;
for (var j = 0; j < r.length; j++) {
var c = r[j] - r[0] + i;
count += Math.floor(c / 5) + Math.floor((c % 5) / 2) + Math.floor(((c % 5) % 2) / 1);
}
min = Math.min(min, count);
}
return min;
}
function main() {
const ws = fs.createWriteStream(process.env.OUTPUT_PATH);
const t = parseInt(readLine(), 10);
for (let tItr = 0; tItr < t; tItr++) {
const n = parseInt(readLine(), 10);
const arr = readLine().split(' ').map(arrTemp => parseInt(arrTemp, 10));
let result = equal(arr);
ws.write(result + "\n");
}
ws.end();
}