static void Main(string[] args)
{
//1---要求输入整数
int num = SectionH.ReadInteger();
//2---打印array
int[] A = new int[num];
SectionH.PrintArray(A);
//3---看s1里有没有s2
Console.WriteLine("Please give us s1 and s2. We are going to check if s1 includes s2(regardless of capital letters).");
Console.Write("Please enter s1:");
string s1 = Console.ReadLine();
Console.Write("Please enter s2:");
string s2 = Console.ReadLine();
SectionH.Instring(s1, s2);
//4---显示s1中s2的开始位置
SectionH.FindWord(s1, s2);
//5---十六进制
//使用第一题输入的num
SectionH.hexadecimal(num);
}
static void Main(string[] args)
{
//1---要求输入整数
int num = SectionH.ReadInteger();
//2---打印array
int[] A2 = new int[num];
Random r = new Random();
int j = 0;
for (j = 0; j < num; j++)
{
A2[j] = r.Next(1, 100);
}
SectionH.PrintArray(A2);
//3---看s1里有没有s2
Console.WriteLine("Please give us s1 and s2. We are going to check if s1 includes s2(regardless of capital letters).");
Console.Write("Please enter s1:");
string s1 = Console.ReadLine();
Console.Write("Please enter s2:");
string s2 = Console.ReadLine();
SectionH.Instring(s1, s2);
//4---显示s1中s2的开始位置
SectionH.FindWord(s1, s2);
//5---十六进制
//使用第一题输入的num
SectionH.hexadecimal(num);
//6---c1代替c2
Console.Write("Please enter a string:");
string s = Console.ReadLine();
Console.Write("Please enter the letter c1 which you want to be substituted:");
string c1_ = Console.ReadLine();
char c1 = Convert.ToChar(c1_);
Console.Write("Please enter the letter which is to substitute c1 in the string:");
string c2_ = Console.ReadLine();
char c2 = Convert.ToChar(c2_);
SectionH.Substitute(s, c1, c2);
//7---将特定value值赋值给arr中的每个位置
Random r7 = new Random();
int[] array = new int[r7.Next(1, 10)];
SectionH.SetArray(array, r7.Next(1, 10));
SectionH.PrintArray(array);
//8---变化原来array长度
SectionH.ResizeArray(array, r7.Next(1, 10));
//9---判断是否质数prime 并打印5-1000的质数
int k;
for (k = 5; k <= 1000; k++)
{
SectionH.IsPrime(k);
}
//10---矩阵相乘
int[,] A = new int[r7.Next(1, 10), r7.Next(1, 10)];
int[,] B = new int[r7.Next(1, 10), r7.Next(1, 10)];
SectionH.MatrixMultiply(A, B);
//11
}