using System.Collections.Generic;
using System.Text;
namespace Min
{
class Program
{
static void Main(string[] args)
{
Random r = new Random();
int[] sum = new int[20];
int min=100;
int index = 0;
for (int i = 0; i < 20; i++)
{
sum[i] = r.Next(1,100);
Console.Write(sum[i]+"\t");
}
for (int x = 0; x < sum.Length ; x++)
{
if (sum[x] < min)
{
min = sum[x];
index = x;
}
}
Console.WriteLine();
Console.WriteLine("最小數為"+min);
Console.WriteLine("位置是:"+index);
Console.ReadLine();
}
}
}
---------------第二題------
using System;
using System.Collections.Generic;
using System.Text;
namespace twenty
{
class Program
{
static void Main(string[] args)
{
int sum = 1;
int j=1;
for (int i = 0; i < 20; i++)
{
Console.Write(sum + "\t");
sum = sum + j;
j++;
}
Console.ReadLine();
}
}
}
----------第三題---------
using System;
using System.Collections.Generic;
using System.Text;
namespace shuixian
{
class Program
{
static void Main(string[] args)
{
int num1 = 0;
int num2 = 0;
int num3 = 0;
for (int i = 100; i <= 999; i++)
{
num1 = i % 10;
num2 = (i / 10) % 10;
num3=i/100;
if (num1 * num1 * num1 + num2 * num2 * num2 + num3 * num3 * num3 == i)
{
Console.Write(i+"\t");
}
}
Console.ReadLine();
}
}
}