yungyungGwon

function solution(participant, completion){
  participant.sort();
  completion.sort();
  for(var i = 0; i < participant.length; i++){
    if(participant[i] != completion[i]){
      return participant[i];
      }
   }
}

yungyungGwon

function solution(answers){
    var answer = [];
    var check = [0,0,0];
    var soopoPerson1 = [1,2,3,4,5];
    var soopoPerson2 = [2,1,2,3,2,4,2,5];
    var soopoPerson3 = [3,3,1,1,2,2,4,4,5,5];
    
    for(var i = 0; i < answers.length; i++){
        if(soopoPerson1[i % 5] == answers[i]) check[0]++;
        if(soopoPerson2[i % 8] == answers[i]) check[1]++;

yungyungGwon

function solution(n, lost, reserve){
    var answer = n - lost.length;
    //reservePerson이 체육복을 도난 당했을 때
    for(var x = 0 ; x < reserve.length; x++){
       for(var y = 0; y < lost.length; y++){
        if(reserve[x] == -1 && lost[y] == -1){
            continue;
        }
        if(reserve[x] == lost[y]){
            reserve[x] = -1;

yungyungGwon

function solution(array, commands){
    var answer = [];
    var list;
    for(var i = 0; i < commands.length; i++){
        var start = (commands[i][0] - 1);
        var end = commands[i][1];
        list = array.slice(start, end).sort(function(a,b){
            return a-b;
        });
        answer.push(list[commands[i][2] - 1]);

yungyungGwon

function solution(arr){
    var answer = [];
    var correct = 0;
    for(var i = 0; i < arr.length; i++){
        if(arr[i] == arr[i+1]){
            continue;
        }
        else{
            answer.push(arr[i]);
        }

yungyungGwon

function solution(array, divisor){
    var answer = [];
    for(var i = 0; i < array.length; i++){
        if(array[i] % divisor == 0){
            answer.push(array[i]);
        }
    }
    if(answer == ""){answer.push(-1)}
    return answer.sort(function(a,b){ return a - b});
}

yungyungGwon

function solution(string, n){
    var answer = [];
    var empt = []
    for(var i = 0; i < string.length; i++){
        empt[i] = string[i].charAt(n);
    }
    empt.sort();
    console.log(empt);    
    for(var i = 0 ; i < string.length; i++){
        for(var j = 0; j < empt.length; j++){

yungyungGwon

function solution(strings, n){
  return  strings.sort(function(a, b){
    let front = a[n]
    let back = b[n]
    if( front === back){ 
      return (a > b) - (a < b)
    } else{ 
      return (front > back) - (front < back)
    }
  })

yungyungGwon

function solution(s){
    var check = "";
    var pNum = 0, yNum = 0;
    for(var i = 0; i < s.length; i++){
        check = s.charAt(i);
        console.log(check);
        if(check == 'p' || check == 'P'){
            pNum += 1;
        }
        else if(check == 'y' || check == 'Y'){

yungyungGwon

function solution(seoul){
    var answer = '';
    for(var i = 0; i < seoul.length; i++){
        if(seoul[i] === 'Kim'){
            answer = '김서방은 ' + i + '에 있다';
            break;
        }
    }
    return answer;
}