12 lines
226 B
Python
12 lines
226 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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a,b=map(int,stdin.readline().rstrip().split())
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arr.append((a,b))
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arr.sort(key=lambda x:(x[0],x[1]))
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for i in arr:
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print(i[0],i[1]) |