h002(9*9rules)

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[] arr= new int [100];
for (int i = 1; i < 10; i++)
{
for (int j = 1; j < 10; j++)
{
arr[i] = sum;
sum = i * j;
Console.WriteLine("arr["+i+"]"+"X["+j+"]"+sum );
}

}
}
}
}

h001

#include ＜stdio.h>
#include ＜stdlib.h>
int add(int sum);
main()
{
int sum;
add(sum);
system("pause");
}
int add(int s)
{
int sum=0,i;
for(i=0;i<=100;i++)
sum+=i;
printf("1~100=%d\n",sum);
return sum;
}