Envío 4752

Código

def _solve(arr):
    res = [-1] * len(arr)
    s = []
    for i, n in enumerate(arr):
        while s and s[-1][0] < n:
            _, j = s.pop()
            res[j] = n
        s.append((n, i))
    return res

if __name__ == "__main__":
    c = int(input())
    for _ in range(c):
        N = int(input())
        arr = list(map(int, input().split(" ")))
        print(_solve(arr))