Submission #67001981

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Source Code Expand

import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

for _ in range(ni()):
    n = ni()
    a, b, c = zip(*[na() for i in range(n)])
    a = list(a)
    b = list(b)
    c = list(c)
    for i in range(n):
        b[i] = min(b[i], a[i] + c[i])
        a[i] = min(b[i], a[i])
        c[i] = min(b[i], c[i])
    
    A = sum(a)
    B = sum(b)
    C = sum(c)
    print(min(A, C, B//2))

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