PAT_A1027 | Colors in Mars

1027 Colors in Mars (20point(s))

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

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 简单来说，就是将输入的三个数字分别转化为对应的十三进制数输出。

而且限定了转化结果肯定是两位数（不足两位数的用0补全），所以简单的转化即可。

AC代码如下：

//
// Created by LittleCat on 2020/2/3.
//
#include 

char number[3] = {'A', 'B', 'C'};

void print(int num) {
    int t = num / 13;
    if (t >= 10)
        printf("%c", number[t - 10]);
    else
        printf("%d", t);

    int p = num % 13;
    if (p >= 10)
        printf("%c", number[p - 10]);
    else
        printf("%d", p);
}

int main() {
    int r, g, b;

    scanf("%d %d %d", &r, &g, &b);

    printf("#");
    print(r);
    print(g);
    print(b);
}

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end 

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