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Ví dụ mẫu môn Lập trình quản lí – tuần 3

10cth1-2 September 17, 2012 Nam Le 0

Mảng và vòng lặp:

[codes=c#]using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Buoi2_ArrayLoop
{
    class Program
    {
        static void Main(string[] args)
        {
            const int max =5;
            int[] m = new int[max];
            //Nhap du lieu cho mang
           for(int i=0; i           {
               Console.Write(“a[{0}]=”,i);
               m[i]=Convert.ToInt32(Console.ReadLine());
           }
            // Không cần truy cập qua chỉ sô
           Console.WriteLine(“Mang vua nhap:”);
            foreach(int i in m)
           {
               Console.Write(i+” “);
           }
            Console.WriteLine();
             //Dung vong lap While de in ra man hinh cac vi tri le cua mang
            Console.WriteLine(“Vi tri le”);
            int j = 1;
            while (j             {
                Console.Write(m[j] + ” “);
                j += 2;
            }
            // dung vong lap do while in vi tri chan
            Console.WriteLine();
            Console.WriteLine(“Vi tri chan”);
            int k = 0;
            do
            {
                Console.Write(m[k] + ” “);
                k += 2;
            } while(k        }
    }
}
[/codes]

Cấu trúc Swich:

[codes=c#]using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Buoi2_Switch
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(“Nhap vao thu trong tuan”);
            int i = Convert.ToInt32(Console.ReadLine());
            switch (i)
            {
                case 2: Console.WriteLine(“Thu 2”); break;
                case 3: Console.WriteLine(“Thu 3”); break;
                case 4: Console.WriteLine(“Thu 4”); break;
                case 5: Console.WriteLine(“Thu 5”); break;
                case 6: Console.WriteLine(“Thu 6”); break;
                case 7: Console.WriteLine(“Thu 7”); break;
                case 8: Console.WriteLine(“CN”); break;
                default: Console.WriteLine(“Khong la thu trong tuan”); break;
            }
            Console.ReadLine();
        }
    }
}[/codes]

[codes=c#]using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace vdu2
{
    class Program
    {
        static void Main(string[] args)
        {
            //Mang mot chieu
            Console.WriteLine(“Nhap so Pt cua mang”);
            int n = Convert.ToInt32(Console.ReadLine());
            int[] a =new int[n];
            for (int i = 0; i < n; i++)
            {
                Console.Write(“a[{0}]=”, i);
                a[i] = Convert.ToInt32(Console.ReadLine());
            }
            foreach (int j in a)
            {
                if (ktsnt(j) == 0)
                    Console.WriteLine(“{0}”, j);
            }
                        /*
             * Kiem tra so nguyen to
             * string c;
            do
            {
                Console.WriteLine(“Nhap vao so can kt”);
                int n = Convert.ToInt32(Console.ReadLine());
                int i = 2, kt = 0;
                while (i < n)
                {
                    if (n % i == 0)
                    {
                        kt = 1;
                        break;
                    }
                    i++;
                }
                if (kt == 0)
                    Console.WriteLine(“La SNT”);
                else
                    Console.WriteLine(“k0 la SNT”);
                Console.WriteLine(“Co can kien tra nua khong y/n”);
                c = Console.ReadLine();
            }
            while (c == “y”);
            //Thu trong tuan
             * switch (n)
            {
                case 2: Console.WriteLine(“Thu 2”);
                    break;
                case 3: Console.WriteLine(“Thu 3”);
                    break;
                case 4: Console.WriteLine(“Thu 4”);
                    break;
                case 5: Console.WriteLine(“Thu 5”);
                    break;
                case 6: Console.WriteLine(“Thu 6”);
                    break;
                case 7: Console.WriteLine(“Thu 7”);
                    break;
                case 8: Console.WriteLine(“CN”);
                    break;
                default: Console.WriteLine(“Khong phai thu trong tuan”);
                    break;
            }*/
            Console.ReadLine();
        }
        static int ktsnt(int n)
        {
            int i = 2, kt = 0;
            while (i < n)
            {
                if (n % i == 0)
                {
                    kt = 1;
                    break;
                }
                i++;
            }
            return kt;
        }
    }
}[/codes]


Last modified on December 4th, 2020 at 3:17 am

Nam Le
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