[백준/파이썬]14542번 Outer Triangle Sum

-코드

t = 0
while 1:
    t += 1
    n = int(input())
    if n == 0:
        break
    r = int(input())
    for i in range(n - 1):
        num = list(map(int, input().split()))
        if i != n - 2:
            r += num[0] + num[-1]
        else:
            r += sum(num)
    print(f"Case #{t}:{r}")