def toInt(x):
    return int(x)


n = int(input())
blabla = []
haha = 0
rowIndex = 0
for i in range(n):
    kolko = list(map(toInt, input().split()))
    prevRow = rowIndex
    for o in range(1, len(kolko)):
        blabla.append([i, kolko[o]])
        rowIndex += 1
        for j in range(prevRow, -1, -1):
            if blabla[j][1] > kolko[o]:
                haha += 1

print(haha)