Node.js)백준 2745번:진법 변환

https://www.acmicpc.net/problem/2745

2745번: 진법 변환

const fs = require('fs');
const input = fs.readFileSync("./dev/stdin").toString().trim().split(' ');
let answer = 0;
let S = input[0].split('')
const B = input[1]*1




const notation = {
  '0':0,
  '1':1,
  '2':2,
  '3':3,
  '4':4,
  '5':5,
  '6':6,
  '7':7,
  '8':8,
  '9':9,
  'A':10,
  'B':11,
  'C':12,
  'D':13,
  'E':14,
  'F':15,
  'G':16,
  'H':17,
  'I':18,
  'J':19,
  'K':20,
  'L':21,
  'M':22,
  'N':23,
  'O':24,
  'P':25,
  'Q':26,
  'R':27,
  'S':28,
  'T':29,
  'U':30,
  'V':31,
  'W':32,
  'X':33,
  'Y':34,
  'Z':35
}
let cnt = 0;
while(S.length>0){
  answer+=notation[S.pop()]*(B**cnt);
  cnt++;
}
console.log(answer)



// function notation(x){
//   if(x<10) return x;
//   return String.fromCharCode(x+55)
// }