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  1. #include <stdio.h>
  2. int hasEOF = 0;
  3. int readchar() {
  4.     static int N = 1<<20;
  5.     static char buf[1<<20];
  6.     static char *p = buf, *end = buf;
  7.     if(p == end) {
  8.         if((end = buf + fread(buf, 1, N, stdin)) == buf) {
  9.             hasEOF = 1;
  10.             return EOF;    
  11.         }
  12.         p = buf;
  13.     }
  14.     return *p++;
  15. }
  16. int ReadInt(int *x) {
  17.     char c, neg;
  18.     while((c = readchar()) < '-')    {if(c == EOF) return 0;}
  19.     neg = (c == '-') ? -1 : 1;
  20.     *x = (neg == 1) ? c-'0' : 0;
  21.     while((c = readchar()) >= '0')
  22.         *x = (*x << 3) + (*x << 1) + c-'0';
  23.     *x *= neg;
  24.     return 1;
  25. }
  26. int main() {
  27.     int n;
  28.     long long int bookshelf=0;
  29.     while (ReadInt(&n)) {
  30.         long long int flag=bookshelf;
  31.         int i=0;
  32.         for(i=0;i<8;i++)
  33.         {
  34.             if(n==(flag&255))
  35.             {
  36.                 bookshelf=bookshelf<<(64-8*i);
  37.                 bookshelf=bookshelf>>(56-8*i);
  38.                 flag=flag>>8;
  39.                 bookshelf= bookshelf+(flag<<(8*i+8))+n;
  40.                 break;
  41.             }
  42.             flag=flag>>8;
  43.         }
  44.         if(i==8)
  45.         {
  46.             bookshelf=(bookshelf<<8)+n;
  47.         }
  48.     }    
  49.     printf("%lld",(bookshelf>>56));
  50.     for(int j=1;j<8;j++)
  51.     {
  52.         printf(" %lld",((bookshelf>>(56-8*j))&255));
  53.     }
  54.     return 0;
  55. }
  56.  
Runtime error #stdin #stdout 0s 4540KB
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stdin
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1 2 3 4 5 6 7 8 6 10 23 7 4
stdout
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Standard output is empty
https://ideone.com/gtmjYl
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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