python-algorithm
codeforces 1328A - Divisibility Problem
무적김두칠
2022. 4. 29. 11:06
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n=int(input())
for i in range(n):
a , b = map(int, input().split())
if a%b == 0 : ans=0
elif a <b : ans= b-a
else : ans = b - a%b
print(ans)
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cs |
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