2024-05-11 1로만들기

AlgoLeadMe · May 10, 2024 · 175a26d · 175a26d
1 parent 0529f80
commit 175a26d
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/dhlee777/dp/1로만들기.cpp b/dhlee777/dp/1로만들기.cpp
@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+int dp[1000001];
+int main(void) {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+	int num;
+	cin >> num;
+	dp[1] = 0;
+	dp[2] = 1;
+	dp[3] = 1;
+	for (int i = 4; i <= num; i++) {
+		dp[i] = dp[i - 1] + 1;
+		if (i % 3 == 0)
+			dp[i] = min(dp[i], dp[i / 3] + 1);
+		if (i % 2 == 0)
+			dp[i] = min(dp[i], dp[i / 2] + 1);
+	}
+	cout << dp[num];
+
+}