hdu4237 The Rascal Triangle 规律题

The Rascal TriangleTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 64    Accepted Submission(s): 61


Problem Description
Write a program which computes R(n,m) theelement of therow of the Rascal Triangle.
InputOutputFor each data set there is onr line of output. It contains the data set number, N, followed by a single space which is then followed by thr Rascal Triangle entry R(n,m) accurate to the integer value. 5
1 4 0
2 4 2
3 45678 12345
4 12345 9876
5 34567 11398  输出5
1 4 0
2 4 2
3 45678 12345
4 12345 9876
5 34567 11398 题意R(n+1, m+1) = (R(n,m) * R(n,m+1) + 1)/R(n-1,m)R(n,0) = R(n,n) = 1数塔从第0层开始  每层也是从0 开始根据上面的2个式子推出来所有的问输入 a b  输出第a行第b个数字     0                                        1    1                                     1     1    2                                  1     2       1    3                               1     3     3        1    4                            1     4     5       4        1    5                        1      5     7     7        5        1    6                    1      6      9     10      9        6      1   可以看出第i行第j个满足 （i-j）*j+1;规律找了好久 最终还是看人家的  看着我的队友10几分钟就看出来了 我真的感到好丢人啊哎 只有努力了   抓紧时间搞下规律题#include<stdio.h>
int main()
{
 int a,i,j,T,k;
 scanf("%d",&T);
 while(T--)
 {
  scanf("%d %d %d",&a,&i,&j);
  if(i==j||j==0)
   printf("%d %d\n",a,1);
        else 
        {            
   k= (i-j)*j+1;          
   printf("%d %d\n", a, k); 
        } 
    } 
    return 0; 
}