PAT-PAT (Advanced Level) Practise 1027. Colors in Mars (20) （简单进制转换）【一星级】

题目链接：http://www.patest.cn/contests/pat-a-practise/1027

题面：

1027. Colors in Mars (20)

People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit number, where the first 2 digits are for Red, the middle 2 digits for Green, and the last 2 digits for Blue. The only difference is that they use radix 13 (0-9 and A-C) instead of 16. Now given a color in three decimal numbers (each between 0 and 168), you are supposed to output their Mars RGB values.

Input

Each input file contains one test case which occupies a line containing the three decimal color values.

Output

For each test case you should output the Mars RGB value in the following format: first output "#", then followed by a 6-digit number where all the English characters must be upper-cased. If a single color is only 1-digit long, you must print a "0" to the left.

Sample Input

15 43 71

Sample Output

#123456

题目大意：

    给定十进制的三个数，问分别用13进制表示的结果。

解题：

   因为范围限定在0-168，直接除13，模13即可，分别输出两部分。

代码：

#include <cstdio>
void print(int x)
{
	int a,b;
	a=x/13;
	b=x%13;
	if(a<10)printf("%d",a);
	else printf("%c",a-10+'A');
	if(b<10)printf("%d",b);
	else printf("%c",b-10+'A');
}
int main()
{
    int a,b,c;
	scanf("%d%d%d",&a,&b,&c);
	printf("#");
	print(a);
	print(b);
	print(c);
	printf("\n");
	return 0;
}