Hastiness

 1 #include <stdio.h>
 2 #include <string.h>
 3 
 4 int main(){
 5     int number;
 6     int a;
 7     int b;
 8     int c;
 9     char digit[22][20];
10     char ten[11][20];
11     int flag=0;
12 
13     strcpy(digit[0],"zero");
14     strcpy(digit[1],"one");
15     strcpy(digit[2],"two");
16     strcpy(digit[3],"three");
17     strcpy(digit[4],"four");
18     strcpy(digit[5],"five");
19     strcpy(digit[6],"six");
20     strcpy(digit[7],"seven");
21     strcpy(digit[8],"eight");
22     strcpy(digit[9],"nine");
23     strcpy(digit[10],"ten");
24     strcpy(digit[11],"eleven");
25     strcpy(digit[12],"twelve");
26     strcpy(digit[13],"thirteen");
27     strcpy(digit[14],"fourteen");
28     strcpy(digit[15],"fifteen");
29     strcpy(digit[16],"sixteen");
30     strcpy(digit[17],"seventeen");
31     strcpy(digit[18],"eighteen");
32     strcpy(digit[19],"nineteen");
33     strcpy(digit[20],"twenty");
34 
35     strcpy(ten[2],"twenty");
36     strcpy(ten[3],"thirty");
37     strcpy(ten[4],"forty");
38     strcpy(ten[5],"fifty");
39     strcpy(ten[6],"sixty");
40     strcpy(ten[7],"seventy");
41     strcpy(ten[8],"eighty");
42     strcpy(ten[9],"ninety");
43 
44     while(scanf("%d",&number)!=EOF){
45         a=number/1000;
46         b=number/100%10;
47         c=number%100;
48 
49         if(a!=0){    //当千位不为0时才打印
50             flag=1;
51             printf("%s thousand",digit[a]);
52 
53             if(b!=0 || c!=0)   //后面不为0才打印"and"
54                 printf(" and ");
55         }
56 
57         if(b!=0){
58             flag=1;
59             printf("%s hundred",digit[b]);
60 
61             if(c!=0)
62                 printf(" and ");
63         }
64 
65         if(c<=20){
66             if(flag==1 && c==0)  //前面已经打印，此时的0不打印
67                 ;
68 
69             else if(flag==0 && c==0)  //前面没有打印，此时的0打印
70                 printf("zero");
71 
72             else
73                 printf("%s",digit[c]);   //不为0直接打印
74         }
75 
76         else{
77             printf("%s",ten[c/10]);  //打印十位数
78 
79             if(c%10!=0)   //如果还有个位数，打印"-"和个位数
80                 printf("-%s",digit[c%10]);
81         }
82 
83         printf("\n");
84 
85     }
86     
87     return 0;
88 }