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  1. #include "stdio.h"
  2. int main( void ){
  3.   unsigned short u = 0xaabb;
  4.   unsigned int   v = 0xaabb;
  5.   printf ("not casted:\n");
  6.   printf ("%08x %08x\n", u, ((u*0x10001)/0x100));
  7.   printf ("%08x %08x\n", v, ((v*0x10001)/0x100));
  8.   printf ("unsigned short casted:\n");
  9.   printf ("%08x %08x\n", u, (unsigned short)((u*0x10001)/0x100));
  10.   printf ("%08x %08x\n", v, (unsigned short)((v*0x10001)/0x100));
  11.   printf ("u*0x10001:\n");
  12.   printf ("x=%08x d=%d\n", u*0x10001, u*0x10001);
  13.   // Solution
  14.   printf ("Solution:\n");
  15.   printf (">>> %08x %08x\n", u, (unsigned short)((u*0x10001UL)/0x100UL));
  16.   printf (">>> %08x %08x\n", v, (unsigned short)((v*0x10001UL)/0x100UL));
  17.   return 0;
  18. }
Success #stdin #stdout 0s 2160KB
comments (?)
stdin 
Standard input is empty
stdout 
not casted:
0000aabb ffaabbab
0000aabb 00aabbaa
unsigned short casted:
0000aabb 0000bbab
0000aabb 0000bbaa
u*0x10001:
x=aabbaabb d=-1430541637
Solution:
>>> 0000aabb 0000bbaa
>>> 0000aabb 0000bbaa
https://ideone.com/OQqeBo
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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