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  1. #include<stdio.h>
  2. #include<stdlib.h> 
  3. #include<limits.h>
  4. unsigned int reversePrint(unsigned int x);
  5. int main(){
  6.  
  7.     unsigned int a = UINT_MAX;
  8.     printf("int max is %u\n", a);
  9.  
  10.     unsigned int x =0;
  11.     while(scanf("%u",&x) != EOF){
  12.         unsigned int y = reversePrint(x);
  13.  
  14.         if( y < 0xffffffff ){
  15.             printf("%u\n",y);                       
  16.         }else{
  17.             printf("out of range of unsigned int");
  18.         }
  19.     getchar();
  20.     }
  21. }
  22.  
  23. unsigned int reversePrint(unsigned int x){
  24.     unsigned int j =10;
  25.     if(x<j) return x;
  26.     else{
  27.         printf("%u", x%j);
  28.         x = x /j;
  29.         return reversePrint( x ); 
  30.     }
  31. }
Success #stdin #stdout 0s 9432KB
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stdin
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123
stdout
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int max is 4294967295
321
https://ideone.com/5Z9Spq
language:
C (gcc 8.3)
created:
9 years ago
visibility:
secret

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