3-alstjr7437

alstjr7437/README.md

@@ -2,6 +2,7 @@
 
 | 차시 |    날짜    | 문제유형 | 링크 | 풀이 |
 |:----:|:---------:|:----:|:-----:|:----:|
-| 1차시 | 2025.03.26 |  BFS  | [미로 탐색](https://www.acmicpc.net/problem/2178)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/2
-| 2차시 | 2025.04.08 |  Heap  | [최대힙](https://www.acmicpc.net/problem/11279)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/7||
---
+| 1차시 | 2025.03.26 |  BFS  | [미로 탐색](https://www.acmicpc.net/problem/2178)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/2|
+| 2차시 | 2025.04.08 |  Heap  | [최대힙](https://www.acmicpc.net/problem/11279)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/7|
+| 3차시 | 2025.04.30 |  투포인터  | [최대힙](https://www.acmicpc.net/problem/7795)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/17|
+---

alstjr7437/투포인터/BOJ_7795.swift

@@ -0,0 +1,20 @@
+let T = Int(readLine()!)!
+
+for _ in 0..<T {
+    let NM = readLine()!.split(separator: " ").map { Int($0)! }
+    let A = readLine()!.split(separator: " ").map { Int($0)! }.sorted()
+    let B = readLine()!.split(separator: " ").map { Int($0)! }.sorted()
+
+    var point = 0
+    var result = 0
+    for i in A {
+        result += point
+        for j in point..<B.count {
+            if i > B[j] {
+                point = j + 1
+                result += 1
+            }
+        }
+    }
+    print(result)
+}