From 788d997b7aa05f55f310a14d678973ea056c7933 Mon Sep 17 00:00:00 2001
From: songyc macbook <gitea@gitea>
Date: Thu, 28 Aug 2025 21:16:57 +0900
Subject: [PATCH] 20250828 baekjoon

---
 code_study/Baekjoon/java/_1149.java  | 22 ++++++++++++++++++++++
 code_study/Baekjoon/swift/1149.swift | 17 +++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 code_study/Baekjoon/java/_1149.java
 create mode 100644 code_study/Baekjoon/swift/1149.swift

diff --git a/code_study/Baekjoon/java/_1149.java b/code_study/Baekjoon/java/_1149.java
new file mode 100644
index 0000000..420ab75
--- /dev/null
+++ b/code_study/Baekjoon/java/_1149.java
@@ -0,0 +1,22 @@
+import java.util.*;
+
+public class _1149 {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int N = Integer.parseInt(sc.nextLine());
+        int[] RGB = Arrays.stream(sc.nextLine().split(" ")).mapToInt(Integer::parseInt).toArray();
+        int dpR = RGB[0], dpG = RGB[1], dpB = RGB[2];
+        int prevR = dpR, prevG = dpG, prevB = dpB; 
+        for(int i=1; i<N; i++) {
+            RGB = Arrays.stream(sc.nextLine().split(" ")).mapToInt(Integer::parseInt).toArray();
+            dpR = RGB[0] + Math.min(prevG, prevB);
+            dpG = RGB[1] + Math.min(prevR, prevB);
+            dpB = RGB[2] + Math.min(prevG, prevR);
+            
+            prevR = dpR; prevG = dpG; prevB = dpB; 
+        }
+        sc.close();
+
+        System.out.println(Math.min(dpR,Math.min(dpG, dpB)));
+    }
+}
diff --git a/code_study/Baekjoon/swift/1149.swift b/code_study/Baekjoon/swift/1149.swift
new file mode 100644
index 0000000..6daec49
--- /dev/null
+++ b/code_study/Baekjoon/swift/1149.swift
@@ -0,0 +1,17 @@
+if let n = readLine(), let N = Int(n) {
+    if let line1 = readLine(), let rgb = line1.split(separator: " ").compactMap({Int($0)}) as? [Int], rgb.count==3 {
+        var dpR = rgb[0], dpG = rgb[1], dpB = rgb[2]
+        var prevR = dpR, prevG = dpG, prevB = dpB
+
+        for _ in 1..<N {
+            if let lineN = readLine(), let RGB = lineN.split(separator: " ").compactMap({Int($0)}) as? [Int], RGB.count==3 {
+                dpR = RGB[0] + min(prevG, prevB)
+                dpG = RGB[1] + min(prevR, prevB)
+                dpB = RGB[2] + min(prevR, prevG)
+                prevR = dpR; prevG = dpG; prevB = dpB
+            }
+        }
+
+        print(min(dpR, dpG, dpB))
+    }
+}
\ No newline at end of file