使用 C 语言写一份不定义变量，只靠函数就可以实现功能的代码

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突发奇想，本人新手小白。请问这样的代码有吗

代码

函数

突发奇想

变量

5 replies • 2015-11-11 17:39:33 +08:00

Volio

Nov 11, 2015 via Android

printf("Hello world!");

aheadlead

Nov 11, 2015

switch (getchar()) {
case '0':
puts("You pressed 0");
break;
case '1':
puts("You pressed 1");
break;
case '2':
puts("You pressed 2");
break;
case '3':
puts("You pressed 3");
break;
case '4':
puts("You pressed 4");
break;
case '5':
puts("You pressed 5");
break;
case '6':
puts("You pressed 6");
break;
case '7':
puts("You pressed 7");
break;
case '8':
puts("You pressed 8");
break;
case '9':
puts("You pressed 9");
break;
}

sNullp

Nov 11, 2015 via iPhone

想想函数式语言。。

Executable

Nov 11, 2015

@aheadlead 能不能写个阶乘啊……

aheadlead

Nov 11, 2015

switch (getchar()) {
case '0':
puts("1");
break;
case '1':
puts("1");
break;
case '2':
puts("2");
break;
case '3':
puts("6");
break;
case '4':
puts("24");
break;
case '5':
puts("120");
break;
case '6':
puts("720");
break;
case '7':
puts("5040");
break;
case '8':
puts("40320");
break;
case '9':
puts("362880");
break;
}