1027 Colors in Mars (20 分)

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 Specification:

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

Output Specification:

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 its left.

Sample Input:

15 43 71

Sample Output:

#123456
分析:计算完后输出

#include<iostream>
#include<string>
#include<stdlib.h>
#include<vector>
#include<algorithm>
using namespace std;
char num[13] = { '0','1','2','3','4','5','6','7','8','9','A','B','C' };

int main()
{
    int color[3];
    string a = "000000";
    int j = 0;
    for (int i = 0; i < 3; i++)
    {
        j = i*2;
        cin >> color[i];
        int temp = color[i];
        while (temp)
        {
            a[j++]= num[temp % 13];
            temp /= 13;
        }
    }
    cout << "#";
    for (int j = 1; j < 6; j += 2)
        cout << a[j] << a[j - 1];
    return 0;
}