Submission #2552688

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Source Code Expand

'use strict'

function main(s) {

  s = s.split('\n').map(x => Number(x));
  const NGs = s.slice(1, -1);
  let N = s[0];
  let counter = 0;
  let result = true;

  NGs.forEach((NG) => {
    if (N === NG) result = false;
  })

  const canSubtract = (n) => {
    let judge = true;
    NGs.forEach((NG) => {
      if (n === NG) judge = false;
    })
    return judge;
  };

  while(N > 0 && counter < 100 && result) {
    if (canSubtract(N - 3)) {
      N -= 3;
      counter++;
    } else if (canSubtract(N - 2)) {
      N -= 2;
      counter++;
    } else if (canSubtract(N - 1)) {
      N -= 1;
      counter++;
    } else {
      result = false;
      break;
    }
  }

  result = (result && N <= 0) ? true :false;

  console.log(result ? 'YES' : 'NO');
}

main(require("fs").readFileSync("/dev/stdin", "utf8"));

Submission Info

Judge Result