[프로그래머스] [3차] n진수 게임

  const formationMap = {
    0: 0,
    1: 1,
    2: 2,
    3: 3,
    4: 4,
    5: 5,
    6: 6,
    7: 7,
    8: 8,
    9: 9,
    10: 'A',
    11:'B',
    12:'C',
    13:'D',
    14:'E',
    15:'F'
  }
  

// n진법을 0에서부터 m까지 만들어준다
function generateFormation(n, m) {
  let result = '';
  let rest = '';

  for (let i = 0; i < n * 10000; i+=1){
    let value = i;
    rest = '';
    
    
    if(value === 0) {
      result = result + '0'
      continue;
    }
    
    while(value >= n) {
      rest += formationMap[value % n];
      value = Math.trunc(value / n);
    }
    
    
    result = result + formationMap[value] + rest.split('').reverse().join('');
  }
  
  return result;
  
}

function solution(n, t, m, p) {
  let myAnswer = '';
  
  const result = generateFormation(n, t);
    
  for (let i = 0; i < result.length; i+=1) {
    if(i % m === p-1){
      myAnswer += result[i]
    }
    
    if(myAnswer.length === t) break;
  }
  
  return myAnswer
  
  
}