摘要： Timus 1017. The Staircases要求计算给定数目的砖块可以组成多少种不同的楼梯。1017. The StaircasesTime Limit: 1.0 secondMemory Limit: 16 MBOne curious child has a set ofNlittle bricks (5 ≤N≤ 500). From these bricks he builds different staircases. Staircase consists of steps of different sizes in a strictly descending order. It 阅读全文