Algorithm

FunctionDevelop.js

function solution(progresses, speeds){
    var answer = [];
    var check = [];
    var bound, rest, day, temp = 0;
   
    for(var i = 0; i < progresses.length; i++){
        rest = 100 - progresses[i];
        if(rest % speeds[i] == 0){
            day = rest / speeds[i];
        }
        else{
            day = parseInt(rest / speeds[i]) + 1;
        }
        check.push(day);
    }
   
    bound = check[0];
   
    for(var j = 0 ; j < check.length; j++){
        if(bound >= check[j]){
            temp += 1;
        }
        else{
            answer.push(temp);
            bound = check[j];
            temp = 1;
        }
    }
    answer.push(temp);
    return answer;
}