이슈 #367에서 솔루션 추가

Programmers/소인수분해.cpp

@@ -0,0 +1,22 @@
+#include <string>
+#include <vector>
+#include <set>
+
+using namespace std;
+
+vector<int> solution(int n) {
+    set<int> answer;
+
+    for (int i = 2; i <= n; i++) {
+        while (n % i == 0) {
+            answer.insert(i);
+            n /= i;
+        }
+
+        if (n == 1) {
+            break;
+        }
+    }
+
+    return vector<int>(answer.begin(), answer.end());
+}