93차 3번 문제풀이

Author: hangyeol

live9/test93/문제3/백한결.py

@@ -0,0 +1,12 @@
+def solution(routes):
+    routes.sort(key=lambda x: x[1])
+
+    count = 0
+    camera = -30001
+
+    for i in range(len(routes)):
+        if routes[i][0] > camera:
+            count += 1
+            camera = routes[i][1]
+
+    return count