摘要:
Description One of the more popular activities in San Antonio is to enjoy margaritas in the park along the river know as the River Walk. Margaritas ma 阅读全文
摘要:
Description The cows are going to space! They plan to achieve orbit by building a sort of space elevator: a giant tower of blocks. They have K (1 <= K 阅读全文
摘要:
描述 正整数N可以被表示成若干2的幂次之和。例如,N = 7时,共有下列6种不同的方案:1) 1+1+1+1+1+1+12) 1+1+1+1+1+23) 1+1+1+2+24) 1+1+1+45) 1+2+2+26) 1+2+4 给出正整数N,计算不同方案的数量(保留最后9位数字)。 描述 正整数N 阅读全文