Question

编写程序,从键盘输入一个数字0-9,输出对应的英文单词如从键盘输入1，程序输出one

Answer 1

	char str[20][6] = {
		"0", "zero",
		"1", "one",
		"2", "two",
		"3", "three",
		"4", "four",
		"5", "five",
		"6", "six",
		"7", "seven",
		"8", "eight",
		"9", "nine" };
	char buf[256] = { 0 };
	gets(buf);
	for (int i = 0; i < 20; i+=2)
	{
		if (*buf == str[i][0])
		{
			for (int j=0; j < 6; j++)
			{
				printf("%c", str[i+1][j]);
			}
			//break;
		}
	}
	getchar();

Answer 2

#include <stdio.h>

int main()
{
int number;
scanf("%d",&number);
putchar('\n');
switch(number)
{
case 0: printf("zero"); break;
case 1: printf("one"); break;
case 2: printf("two"); break;
case 3: printf("there"); break;
case 4: printf("four"); break;
case 5: printf("five"); break;
case 6: printf("six"); break;
case 7: printf("seven"); break;
case 8: printf("eight"); break;
case 9: printf("nine"); break;
default: break;
}
putchar('\n');
return 0;
}

Answer 3

#include <stdio.h>

int main()
{
	int Input; 
	
	scanf("%d",&Input);
	
	switch(Input)
	{
		case 0:printf("zero");  break; 
		case 1:printf("one");   break;
		case 2:printf("two");   break;
		case 3:printf("three"); break;
		case 4:printf("four");  break;
		case 5:printf("five");  break;
		case 6:printf("six");   break;
		case 7:printf("seven"); break;
		case 8:printf("eight"); break;
		case 9:printf("nine");  break;
	} 
	
	return 0;
}

Answer 4

#include <stdio.h>
void main()
{
int num = 0;
while(1)
{
printf("请输入数字 0 - 9\n");
scanf("%d", &num);
switch(num)
{
case 0:
printf("zero\n");
break;
case 1:
printf("one\n");
break;
case 2:
printf("two\n");
break;
case 3:
printf("three\n");
break;
case 4:
printf("four\n");
break;
case 5:
printf("five\n");
break;
case 6:
printf("six\n");
break;
case 7:
printf("seven\n");
break;
case 8:
printf("eight\n");
break;
case 9:
printf("nine\n");
break;
default:
printf("超出范围\n");
break;
}
}
}