[WEEK11] 이지현

sik9252/다음_큰_숫자.js

@@ -0,0 +1,12 @@
+function solution(n) {
+  const countOne = (num) => num.toString(2).split("1").length - 1;
+
+  const target = countOne(n);
+  let next = n + 1;
+
+  while (countOne(next) !== target) {
+    next++;
+  }
+
+  return next;
+}

sik9252/숫자의_표현.js

@@ -0,0 +1,22 @@
+function solution(n) {
+  let answer = 0;
+  let left = 1;
+  let right = 1;
+  let sum = 1;
+
+  while (left <= n) {
+    if (sum === n) {
+      answer++;
+      sum -= left;
+      left++;
+    } else if (sum < n) {
+      right++;
+      sum += right;
+    } else {
+      sum -= left;
+      left++;
+    }
+  }
+
+  return answer;
+}