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一个整数“犯二的程度”定义为该数字中包含2的个数与其位数的比值。如果这个数是负数，则程度增加0.5倍；如果还是个偶数，则再增加1倍。例如数字-13142223336是个11位数，其中有3个2，并且是负数，也是偶数，则它的犯二程度计算为：3/11×1.5×2×100%，约为81.82%。本题就请你计算一个给定整数到底有多二。输入格式：输入第一行给出一个不超过50位的整数N。输出格式：...

1031 Hello World for U （20 分）Given any string of N (≥5) characters, you are asked to form the characters into the shape of U. For example, helloworld can be printed as:h de ll rlowoThat ...

1027. Colors in Mars (20)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YuePeople in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is repr...

Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English.Input Specification:Each input file contains one test case. Each ca...