Merge pull request #109 from HmmCorn/liv

회의실 배정

Author: github-actions[bot]

WEEK09/백준_1931_회의실배정/liv.swift

@@ -0,0 +1,23 @@
+// 백준 - 1931 회의실 배정
+
+let meetingCount = Int(readLine()!)!
+var meetings: [(Int, Int)] = []
+
+for _ in 0..<meetingCount {
+    let line = readLine()!.split(separator: " ").compactMap { Int($0) }
+    meetings.append((line[0], line[1]))
+}
+
+meetings.sort { first, second in
+    if first.1 != second.1 { return first.1 < second.1 }
+    return first.0 < second.0
+}
+
+var previous = 0
+var count = 0
+for meeting in meetings where meeting.0 >= previous {
+    previous = meeting.1
+    count += 1
+}
+
+print(count)