C语言模拟输出七段显示译码器

受http://jyywiki.cn/pages/OS/2022/demos/seven-seg.py

的启发，结合数电课设的需求，写出了以下代码，非常丑陋的C语言实现。

人生苦短，我用Python

/*+++++++++++++++++++++++++++++++++
@Author: ll
+++++++++++++++++++++++++++++++++*/
#define DEV
//#define DEBUG

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define INF 0x3f3f3f3f
#define EPS 1e-6
const int MAX_N = 10000 + 5;

#define SEVENSEG \
    "\033[2J\033[1;1f\n\
     AAAAAAAAA\n\
    FF       BB\n\
    FF       BB\n\
    FF       BB\n\
    FF       BB\n\
    GGGGGGGGGG\n\
   EE       CC\n\
   EE       CC\n\
   EE       CC\n\
   EE       CC\n\
    DDDDDDDDD"
int A, B, C, D, E, F, G;

#define LIGHT "\033[40;31m|\033[0m"

const int font[10] = {0x7E, 0x30, 0x6D, 0x79, 0x33,
                      0x5B, 0x5F, 0x70, 0x7F, 0x7B};

int main(int argc, char* argv[]) {
#ifdef LOCAL
    freopen("in.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
#endif
    int num;
    scanf("%d", &num);
    num = font[num];

    G = num & 1;
    num >>= 1;
    F = num & 1;
    num >>= 1;
    E = num & 1;
    num >>= 1;
    D = num & 1;
    num >>= 1;
    C = num & 1;
    num >>= 1;
    B = num & 1;
    num >>= 1;
    A = num & 1;
    num >>= 1;
    A++;
    B++;
    C++;
    D++;
    E++;
    F++;
    G++;

#ifdef DEBUG
    printf("%d %d %d %d %d %d %d\n", A, B, C, D, E, F, G);
#endif

    char ch[MAX_N] = SEVENSEG;

    for (int i = 0; i < strlen(ch); i++) {
        switch (ch[i]) {
            case 'A':
                ch[i] = A;
                break;
            case 'B':
                ch[i] = B;
                break;
            case 'C':
                ch[i] = C;
                break;
            case 'D':
                ch[i] = D;
                break;
            case 'E':
                ch[i] = E;
                break;
            case 'F':
                ch[i] = F;
                break;
            case 'G':
                ch[i] = G;
                break;
            default:
                break;
        }
    }
#ifdef DEV
    for (int i = 0; i < strlen(ch); i++) {
        if (ch[i] == 2) {
            printf(LIGHT);
        } else {
            printf("%c", ch[i]);
        }
    }
#endif
    system("pause");
    return 0;
}