개발야옹

https://www.acmicpc.net/problem/4344

const fs = require('fs');
const input = fs.readFileSync('/dev/stdin').toString().split('\n');

const N = Number(input[0]);

for(let i = 0 ; i < N ; i++) {
    let st = input[i+1].split(" ");
    let n = Number(st.shift());
    let total = 0;
    let arg = 0;
    st.forEach(d => total += Number(d));
    arg = total/n;
    
    let m = 0;
    st.forEach(d => {
        if(d > arg) m++;
    });
    
    const result = m/n*100;
    console.log(result.toFixed(3)+"%");
}

https://www.acmicpc.net/problem/2941

const fs = require('fs');
let croatia = fs.readFileSync('/dev/stdin').toString().trim();
const croatiaList = ['c=', 'c-', 'dz=', 'd-', 'lj', 'nj', 's=', 'z='];

const result = [];
let cnt = 0;
let flag = true;

while(flag){
    let include = false;
    for(let i = 0 ; i < croatiaList.length ; i++) {
        if(croatia.includes(croatiaList[i])) {
           include = true;
           croatia = croatia.replace(croatiaList[i], ' ');
           result.push(croatiaList[i]);
           break;
       } 
    }
    if(!include) flag = false;
}

croatia = croatia.replaceAll(' ', '').split("");


console.log(result.length+croatia.length);

https://www.acmicpc.net/problem/10926

const fs = require('fs');
const input = fs.readFileSync('/dev/stdin').toString().trim();

console.log(input+"??!")

https://www.acmicpc.net/problem/18108

const fs = require('fs');
let input = fs.readFileSync('/dev/stdin').toString().trim();

console.log(Number(input) - 543);