[백준 11650] 좌표 정렬하기
11650번 : 좌표 정렬하기
방법 1
import sys
input = sys.stdin.readline
if __name__ == '__main__':
n = int(input())
graph = []
for _ in range(n):
graph.append(tuple(map(int, input().split())))
graph.sort(key=lambda x : (x[0], x[1]))
for i in range(n):
print(graph[i][0], graph[i][1])