add 0279_perfect_squares

newyork-anthonyng · Aug 28, 2020 · 3e22f9a · 3e22f9a
1 parent a51db4b
commit 3e22f9a
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/leetcode/0279_perfect_squares.js b/leetcode/0279_perfect_squares.js
@@ -0,0 +1,20 @@
+function numSquares(n) {
+  const dp = [];
+  dp[0] = 0;
+  dp[1] = 1;
+
+  for (let i = 2; i <= n; i++) {
+    dp[i] = Infinity;
+
+    for (let j = 1; (j * j) <= i; j++) {
+      dp[i] = Math.min(dp[i], dp[i - (j * j)] + 1);
+    }
+  }
+
+  return dp[n];
+}
+
+console.assert(
+  numSquares(12) === 3,
+  'first'
+);