Given a positive integer n, the integers a1, a2, ..., An. Consider the sequence of segments a1, a2, ..., AN (a subsequence of consecutive terms) consisting of perfect numbers. Find the largest of the lengths of the segment. Establish a procedure allowing to recognize the perfect number.
Given a positive integer n, the integers a1, a2, ..., An. Consider the sequence of segments a1, a2, ..., AN (a subsequence of consecutive terms) consisting of perfect numbers. Find the largest of the lengths of the segment. Establish a procedure allowing to recognize the perfect number. (2013-08-16, Pascal, 1KB, 下载2次)
Pascal基本求值,求长方形的周长和面积.
Pascal basic evaluation, find the perimeter and area of rectangles. (2009-11-09, Pascal, 2KB, 下载4次)
已知一对兔子，每个月可以生一对小兔，而小兔过一个月后也可以生一对小兔。即兔子的对数是：第一个月1对，第二个月2对，第三个月3对，第四个月5对，……，假设兔子的剩余期是12个月，并且不死 ，问一年后，这对兔子有多少对活着的后代？
Are known to a pair of rabbits, a pair of rabbit health every month, while the rabbit can be a month after a pair of rabbit health. Namely, the number of pairs of rabbits are: 1 on the first month, the first month two pairs, the first three months, three pairs, the first four months of 5 pairs ... ..., assuming that the rabbit with a maturity of 12 months, and die, Q. A year later, this is the number of pairs of rabbits alive for future generations? (2009-11-09, Pascal, 1KB, 下载4次)