应该是 ：

seed = 0
base = 0

function rnd():
	ret = seed
	seed = (seed * base + 233) mod 1000000007
	return ret

p[0] = 0
for i = 1 to m:
	seed = b[i]
	base = w[i]
	for j = p[i - 1] + 1 to p[i]:
		t[j] = (rnd() mod 2) + 1
		a[j] = (rnd() mod k[i]) + 1