combination-sum

Author: sooooo-an

combination-sum/sooooo-an.ts

@@ -0,0 +1,23 @@
+function combinationSum(candidates: number[], target: number): number[][] {
+  const result: number[][] = [];
+
+  const dfs = (start: number, path: number[], sum: number) => {
+    if (sum === target) {
+      result.push([...path]);
+      return;
+    }
+
+    if (sum > target) {
+      return;
+    }
+
+    for (let i = start; i < candidates.length; i++) {
+      path.push(candidates[i]);
+      dfs(i, path, sum + candidates[i]);
+      path.pop();
+    }
+  };
+
+  dfs(0, [], 0);
+  return result;
+}