PAT-A 真题 – 1077 Kuchiguse
The Japanese language is notorious for its sentence ending particles. Personal preference of such particles can be considered as a reflection of the speaker's personality. Such a preference is called "Kuchiguse" and ...
PAT-A 真题 – 1023 Have Fun with Numbers
Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 246913578, which happens to be another 9-digit number consisting exactly the numbers f ...
两种斐波那契数列非递归算法（堆栈模拟、循环）
//堆栈模拟 #include <iostream> #include <stack> #include <algorithm> using namespace std; int main(){ int num; cout << " ...
MySQL生成随机数
使用如下SQL中RAND函数即可生成 i ≤ R ≤ j 随机数：FLOOR(i + RAND() * (j – i + 1))在SQL命令行中输入：SELECT FLOOR(7 + (RAND() * 6));可以生成 7-12 (包括7和12)的正整数在 ...
PAT-A 真题 – 1073 Scientific Notation
Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has exactly one d ...