口袋中有红，黄，蓝，白，黑5种颜色的球若干个。每次从口袋中取出3个不同颜色的球。问有多少种取法的C＋＋代码-pockets of red, yellow, blue, white and black colors of the five Ball number. Out of pocket every three different colors on the ball. Asked how many copying the C + + code