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#33139: Python: AC (22ms, 3.3MB)


imlindora@gmail.com (Augus)

c315. I, ROBOT 前傳 | From: [114.35.134.31] | 發表日期: 2022-12-04 18:11
d={0:0,1:0,2:0,3:0}
for i in range(int(input())):
    a,b=map(int,input().split())
    d[a]+=b
print(d[1]-d[3],d[0]-d[2])
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