cf4.c The C Puzzle Book

職業訓練
https://qiita.com/kaizen_nagoya/items/95368b63fa21d64271ec

Programmer, Day 6
https://qiita.com/kaizen_nagoya/items/632d8f191268e88eb86a

C Puzzle Bookの有り難み5つ、C言語規格及びCコンパイラの特性を認識, error(21), coding(28)
https://qiita.com/kaizen_nagoya/items/d89a48c1536a02ecdec9

The C Puzzle Book
https://efrei.poupa.net/Programmation%20en%20C/Cours/The_C_Puzzle_Book.pdf

defs.h "The C Puzzle Book"
https://qiita.com/kaizen_nagoya/items/6d284651ac1244963bd9

cf4.c

#include<stdio.h>

char input[] = "SSSWILTECH1\1\11W\1WALLMP1";


int main()
{

        int i,c;

        for(i=2; (c = input[i]) != '\0'; i++)
        {
                switch(c)
                {
                        case 'a':putchar('i'); continue;
                        case '1':break;
                        case 1:while( (c = input[++i]) != '\1' && c != '\0' );
                        case 9:putchar('S');
                        case 'E': case 'L': continue;
                        default: putchar(c); continue;
                }
                putchar(' ');
        }
        putchar('\n');
}

bash

$ gcc cf4.c
$ ./a.out
SWITCH SWAMP