#include <stdio.h> int main(){   printf("#include test\n"); #if 1#if 0   printf("a\n");#else   printf("b\n");#endif#else#if 0   printf("c\n");#else   printf("d\n");#endif#endif #if 0#if 1   printf("e\n");#else   printf("f\n");#endif#else#if 1   printf("g\n");#else   printf("h\n");#endif#endif #define DEF #ifdef DEF#ifdef DEF   printf("i\n");#else   printf("j\n");#endif#else#ifdef DEF   printf("k\n");#else   printf("l\n");#endif#endif #ifndef DEF#ifndef DEF   printf("m\n");#else   printf("n\n");#endif#else#ifndef DEF   printf("o\n");#else   printf("p\n");#endif#endif #define ONE 1#define ZERO 0 #if ONE#if ZERO   printf("q\n");#else   printf("r\n");#endif#else#if ZERO   printf("s\n");#else   printf("t\n");#endif#endif    return 0;} /* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/