15 lines
254 B
Python
15 lines
254 B
Python
t=int(input())
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for tc in range(1,t+1):
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n=int(input())
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arr=list(map(int,input().split()))
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mx=0
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r=0
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for i in range(1,n+1):
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if arr[-i]>mx:
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mx=arr[-i]
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else:
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r+=mx-arr[-i]
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print("#"+str(tc),r)
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