3-최대부분증가수열

inflean/section-10-dynamic-programming/3-최대부분증가수열.js

@@ -0,0 +1,22 @@
+function solution(arr) {
+  let answer = 0;
+  let dy = Array.from({ length: arr.length }, () => 0);
+  dy[0] = 1;
+
+  for (let i = 1; i < arr.length; i++) {
+    let max = 0;
+
+    for (let j = i - 1; j >= 0; j--) {
+      if (arr[i] > arr[j] && dy[j] > max) {
+        max = dy[j];
+      }
+    }
+    dy[i] = max + 1;
+    answer = Math.max(answer, dy[i]);
+  }
+
+  return answer;
+}
+
+let arr = [5, 3, 7, 8, 6, 2, 9, 4];
+console.log(solution(arr));