[1차] 뉴스 클러스터링

코드

function solution(str1, str2) {
  let str1Arr = splitStr(str1);
  let str2Arr = splitStr(str2);
  if (str1Arr.length === 0 && str2Arr.length === 0) return 65536;
  const str2ArrLength = str2Arr.length;
  let count = 0;
  for (let i = 0; i < str1Arr.length; i++) {
    for (let j = 0; j < str2Arr.length; j++) {
      if (str1Arr[i] === str2Arr[j]) {
        count++;
        str2Arr.splice(j, 1);
        break;
      }
    }
  }
  return parseInt((count / (str1Arr.length + str2ArrLength - count)) * 65536);
}
function splitStr(str) {
  let arr = [];
  str = str.toLowerCase();
  for (let i = 0; i < str.length - 1; i++) {
    if (!/[^a-z]/g.test(str.slice(i, i + 2))) arr.push(str.slice(i, i + 2));
  }
  return arr;
}