[Python] ๋ฐฑ์ค #1931 - ํ์์ค ๋ฐฐ์
๋ฌธ์ https://www.acmicpc.net/problem/1931 1931๋ฒ: ํ์์ค ๋ฐฐ์ (1,4), (5,7), (8,11), (12,14) ๋ฅผ ์ด์ฉํ ์ ์๋ค. www.acmicpc.net ํ์ด import sys input = sys.stdin.readline n = int(input()) t = [] for _ in range(n): a,b = map(int,input().split()) t.append([a,b]) end,cnt=0,0 for a,b in sorted(t,key=lambda x:(x[1],x[0])): # ํ์์ ๋๋๋ ์๊ฐ, ์์์๊ฐ์ ์ค๋ฆ์ฐจ์์ผ๋ก ์ ๋ ฌ if end