[Week 6] 류태현 풀이 제출

류태현/week6/programmers_x만큼간격이있는n개의숫자.js

@@ -0,0 +1,9 @@
+function solution(x, n) {
+  var answer = [];
+  let cur = x;
+  for (let i = 0; i < n; i++) {
+    answer[i] = cur;
+    cur += x;
+  }
+  return answer;
+}

류태현/week6/programmers_가운데글자가져오기.js

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+function solution(s) {
+  return s.length % 2 !== 0
+    ? s[Math.round(s.length / 2) - 1]
+    : s[s.length / 2 - 1] + s[s.length / 2];
+}

류태현/week6/programmers_나머지가1이되는수찾기.js

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+function solution(n) {
+  let answer = 1;
+  while (true) {
+    if (n % answer === 1) return answer;
+    answer++;
+  }
+}

류태현/week6/programmers_문자열을 정수로 바꾸기.js

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+function solution(s) {
+  return typeof s === "string" ? Number(s) : String(s);
+}

류태현/week6/programmers_서울에서김서방찾기.js

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+function solution(seoul) {
+  for (let i = 0; i < seoul.length; i++) {
+    if (seoul[i] === "Kim") return `김서방은 ${i}에 있다`;
+  }
+}

류태현/week6/programmers_약수의합.js

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+function solution(n) {
+  var answer = 0;
+  for (i = 1; i <= n; i++) {
+    if (n % i === 0) answer += i;
+  }
+  return answer;
+}

류태현/week6/programmers_자연수뒤집어배열로만들기.js

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+function solution(n) {
+  return String(n).split("").reverse().map(Number);
+}

류태현/week6/programmers_정수내림차순으로배치하기.js

@@ -0,0 +1,8 @@
+function solution(n) {
+  return Number(
+    String(n)
+      .split("")
+      .sort((a, b) => b - a)
+      .join(""),
+  );
+}

류태현/week6/programmers_짝수와홀수.js

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+function solution(num) {
+  return num % 2 == 0 ? "Even" : "Odd";
+}

류태현/week6/programmers_콜라츠추측.js

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+function solution(num) {
+  function col(n, cnt) {
+    if (n === 1) return cnt;
+    if (cnt === 500) return -1;
+
+    if (n % 2 === 0) return col(n / 2, cnt + 1);
+    return col(n * 3 + 1, cnt + 1);
+  }
+
+  return col(num, 0);
+}

류태현/week6/programmers_평균구하기.js

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+function solution(arr) {
+  let sum = arr.reduce((acc, cur) => {
+    return acc + cur;
+  });
+  return sum / arr.length;
+}

류태현/week6/programmers_핸드폰번호가리기.js

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+function solution(phone_number) {
+  let arr = phone_number.split("");
+  for (let i = 0; i < phone_number.length - 4; i++) {
+    arr[i] = "*";
+  }
+  return arr.join("");
+}