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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. #include <stdlib.h>
  4. typedef uint64_t u64;
  5.  
  6. void nvme_u64_div(u64 dividend, u64 divisor)
  7. {
  8. 	u64 quotient = 0;
  9.     u64 remainder = 0;
  10.     int i;
  11.  
  12.     for (i = 63; i >= 0; i--) {
  13.         remainder = (remainder << 1) | ((dividend >> i) & 1);
  14.         if (remainder >= divisor) {
  15.             remainder -= divisor;
  16.             quotient |= (1ULL << i);
  17.         }
  18.     }
  19.     printf("%d\n",quotient);
  20. }
  21. int main(void) {
  22. 	// your code goes here
  23. 	nvme_u64_div(12345678901234567890ULL,98765432109876543ULL);
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0s 5280KB
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https://ideone.com/G4VSHB
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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