🏅 백준 1001 : A-B (C++, PHP, Javascript)

<?
fscanf(STDIN, "%d %d", $a, $b);
echo $a - $b;

#include <iostream>
using namespace std;

int main(){
    int a, b;
    cin >> a >> b;
    cout << a - b;
    return 0;
}

const fs = require('fs');
const inputData = fs.readFileSync(0, 'utf8').toString().split(' ');
const a = parseInt(inputData[0]), b = parseInt(inputData[1]);
console.log(a - b);

<?=($_=fgets(STDIN))[0]-$_[2];