这里的身高单位转化到底那里出了问题呢？

xypmyp

1. char n[256];
   
2.         double in, kg, lb;
   
3.         double cm;
   
4. 
   
5.         printf("name:");
   
6.         scanf("%s", n);
   
7.         while (getchar() != '\n');
   
8. 
   
9.         printf("height(cm):");
   
10.         scanf("%lf", &cm);
    
11.         while (getchar() != '\n');
    
12. 
    
13.         printf("weight(kg):");
    
14.         scanf("%lf", &kg);
    
15.         while (getchar() != '\n');
    
16. 
    
17.         printf("\n\==========converting==========\n");
    
18.         in = (double)cm / 2.54;
    
19.         lb = (double)kg / 0.45;
    
20.         printf("Name:%s\nheight: %lf(in)\nweight: %lf(lb)", n, in, lb);
    
21. 
    
22.         getchar();
    
23.         return 0;
    

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You may have to clear the input