n = int(input())
a = [[int(i) for i in input().split()] for x in range(n)]
counter = 0

for i in range(n):
    for j in range(n):
        if i != j:
            for z in a[i][1:]:
                for x in a[j][1:]:
                    if i < j and x < z:
                        counter += 1
                    elif i > j and x > z:
                        counter += 1

print(int(counter/2))