蓝桥杯训练之ACM

8

#include<stdio.h>
#include<math.h>
#define M 100
int main()
{
	int num;
	int i,j,r,k;
	int count = 0;
	int a[M],b[16]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
	scanf("%d",&num);
	num = (int)pow(3,num);
	printf("num = %.0lf\n",num);
	for(i = 1;i <= num; i++)
	{
		j = i;
		while(j)
		{
			a[j] = b[r%3];
			r = r/3;
			j++;
		}
		for(k = 0;k < j; k++)
			printf("%d",a[k]);
		printf("\n");
	}
}

蓝桥杯训练之ACM

原文：http://blog.csdn.net/u010464679/article/details/41986031