diff --git "a/H0ngJu/\354\240\225\353\240\254/\354\265\234\354\206\214 \355\232\214\354\235\230\354\213\244 \352\260\234\354\210\230.py" "b/H0ngJu/\354\240\225\353\240\254/\354\265\234\354\206\214 \355\232\214\354\235\230\354\213\244 \352\260\234\354\210\230.py"
new file mode 100644
index 0000000..151073e
--- /dev/null
+++ "b/H0ngJu/\354\240\225\353\240\254/\354\265\234\354\206\214 \355\232\214\354\235\230\354\213\244 \352\260\234\354\210\230.py"	
@@ -0,0 +1,20 @@
+import sys
+import heapq
+
+def input() : return sys.stdin.readline().rstrip()
+
+N = int(input()) # 100000
+info = [tuple(map(int, input().split())) for _ in range(N)]
+room = []
+
+info.sort(key=lambda x: x[0])
+heapq.heappush(room, info[0][1])
+answer = 1
+
+for i in range(1,N):
+    a, b = info[i][0], info[i][1]
+    if a >= room[0]:
+        heapq.heappop(room)
+    heapq.heappush(room, b)
+
+print(len(room))
\ No newline at end of file