PAT Basic Level 1031

AC代码
  1 #include <stdio.h> 
  2 int main ()
  3 {
  4     int amount;
  5     scanf("%d",&amount);
  6     char input[19];
  7     char ret;
  8     int judge = 0 ;       //判断是否为ALL PASSED ，是的话为0； 
  9     while(amount > 0)
 10     {
 11         scanf("%s",&input);
 12         amount--;
 13         int i;
 14         int sum = 0;
 15         int temp;
 16         for(i = 0;i < 17;i++)          //先检查前17位是否全为数字 若非数字直接跳出循环 
 17         {
 18             if(input[i] < '0' || input[i] > '9')
 19             break;
 20         }
 21         if(i < 17)                    //i = 17即代表前17都是数字 
 22         {
 23             printf("%s",input);
 24             printf("
");
 25             judge = 1;
 26             continue;                    //身份证号出错，直接输出并开始下一轮输入 
 27         }else
 28         if(i == 17)                 //前17位全为数字则开始检查校验码 
 29         {
 30             for(i = 0;i < 17;i++)
 31             {
 32                 switch(i)
 33                 {
 34                     case 0:sum += 7 * (input[i] - '0');
 35                     break;
 36                     case 1:sum += 9 * (input[i] - '0');
 37                     break;
 38                     case 2:sum += 10 * (input[i] - '0');
 39                     break;
 40                     case 3:sum += 5 * (input[i] - '0');
 41                     break;
 42                     case 4:sum += 8 * (input[i] - '0');
 43                     break;
 44                     case 5:sum += 4 * (input[i] - '0');
 45                     break;
 46                     case 6:sum += 2 * (input[i] - '0');
 47                     break;
 48                     case 7:sum += 1 * (input[i] - '0');
 49                     break;
 50                     case 8:sum += 6 * (input[i] - '0');
 51                     break;
 52                     case 9:sum += 3 * (input[i] - '0');
 53                     break;
 54                     case 10:sum += 7 * (input[i] - '0');
 55                     break;
 56                     case 11:sum += 9 * (input[i] - '0');
 57                     break;
 58                     case 12:sum += 10 * (input[i] - '0');
 59                     break;
 60                     case 13:sum += 5 * (input[i] - '0');
 61                     break;
 62                     case 14:sum += 8 * (input[i] - '0');
 63                     break;
 64                     case 15:sum += 4 * (input[i] - '0');
 65                     break;
 66                     case 16:sum += 2 * (input[i] - '0');
 67                     break;
 68                 }
 69             }
 70             temp = sum % 11;
 71             switch(temp)
 72             {
 73                 case 0:ret = '1';
 74                 break;
 75                 case 1:ret = '0';
 76                 break;
 77                 case 2:ret = 'X';
 78                 break;
 79                 case 3:ret = '9';
 80                 break;
 81                 case 4:ret = '8';
 82                 break;
 83                 case 5:ret = '7';
 84                 break;
 85                 case 6:ret = '6';
 86                 break;
 87                 case 7:ret = '5';
 88                 break;
 89                 case 8:ret = '4';
 90                 break;
 91                 case 9:ret = '3';
 92                 break;
 93                 case 10:ret = '2';
 94                 break;
 95             }
 96             if(input[17] == ret)
 97             continue;
 98             else
 99             {
100                 printf("%s",input);
101                 printf("
");
102                 judge = 1;
103             }
104         }
105     }
106     if(judge == 0)
107     {
108         printf("All passed");
109     }
110     return 0;
111 }