13 lines
220 B
Python
13 lines
220 B
Python
from sys import stdin
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n=int(stdin.readline().rstrip())
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arr=[]
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for _ in range(n):
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x,y=map(int,stdin.readline().rstrip().split())
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arr.append((x,y))
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arr.sort(key=lambda x:(x[1],x[0]))
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for i in arr:
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print(*i) |