2010/09/24 二維九九乘法

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {  
    /*        int sum = 0;
            int[] arr1 = new int[101];
            int k;
            for (int i = 1; i <= 100; i++)
            {
                sum = sum + i;
                Console.WriteLine("i=" + i);
                Console.WriteLine("sum=" + sum);
                    arr1[i] = sum;
            }
      */
            int[,] arr2 = new int[10, 10];
           for (int i = 1; i <= 9; i++)
              {
                  for (int j = 1; j <= 9; j++)
                  {
                      arr2[i, j] = i * j;
                      Console.WriteLine();
                      Console.WriteLine("i=" + i + "j=" + j);
                  }
              }
                       for (int i = 1; i <= 9; i++)
                       {
                         for (int j = 1; j <= 9; j++)
                         {
                      Console.WriteLine("arr[{0},{1}]={2}",i,j,arr2[i,j]);
                         }
                       }
                 
                         
           
        }
    }
}

2010/09/17

#include <cstdlib>
#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
    int i,sum;
   
    sum=0;
    for(i=1;i<=100;i++)
    sum=sum+i;
   
   
   
    printf("%d\n",sum);

   
    system("PAUSE");
    return EXIT_SUCCESS;
}
//