[此贴子已经被作者于2017-6-28 14:09编辑过]

程序代码：

#include<stdio.h>
void fun(int a[],int b[],int sum,int i,int k,int len);
void Print(int a[],int b[],int k,int len);
int main()
{
    int a[10]={198,174,1254};
    int b[10]={0};
    int len=3;
    int k=8514;

    fun(a,b,0,0,k,len);

    return 0;

}
void fun(int a[],int b[],int sum,int i,int k,int len)
{
    b[i]=0;

     while (1)
     {
         if (i<len-1)
             fun(a,b,sum,i+1,k,len);

        if (sum>=k)
            break;

        sum+=a[i];
        ++b[i];
     }

     if (sum==k&&i==len-1)
           Print(a,b,k,len);
}

void Print(int a[],int b[],int k,int len)
{
    int i=0;

    for (i=0;i<len-1;++i)
        printf("%d*%d+",a[i],b[i]);

    printf("%d*%d=%d\n",a[i],b[i],k);
}

[此贴子已经被作者于2017-6-28 00:01编辑过]

程序代码：

#include<stdio.h>
#define K 8514
#define SUM(i,j,k)  ((i)*198+(j)*174+(k)*1254)
int main()
{
    int i=0;
    int j=0;
    int k=0;

    for (i=0;i*198<=8516;++i)
        for (j=0;i*198+j*174<=K;++j)
            for (k=0;SUM(i,j,k)<=K;++k)
                if (SUM(i,j,k)==K)
                    printf("%-4d%-4d%-4d%-4d\n",i,j,k,SUM(i,j,k));

    return 0;
}