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  1. #include <stdio.h>
  2. int main(void)
  3. {
  4.  size_t a = 0x80000000;
  5.  int    b = 0x80000000;
  6.  int    c = 0x1;
  7.  
  8.  printf("a = %u\n", a);
  9.  printf("b = %d\n", b);
  10.  printf("c = %d\n", c);
  11.  printf("\n");
  12.  
  13.  printf("%d   : %u >> 32 // ", (a >> 32),a);printf("0x%x\n", (a >> 32));
  14.  printf("%d   : %u >> 31 // ", (a >> 31),a);printf("0x%x\n", (a >> 31));
  15.  printf("%d   : %u >> 30 // ", (a >> 30),a);printf("0x%x\n", (a >> 30));
  16.  
  17.  printf("%d   : %d >> 32 // ", (b >> 32),b);printf("0x%x\n", (b >> 32));
  18.  printf("%d   : %d >> 31 // ", (b >> 31),b);printf("0x%x\n", (b >> 31));
  19.  printf("%d   : %d >> 30 // ", (b >> 30),b);printf("0x%x\n", (b >> 30));
  20.  
  21.  printf("%d   : %d >> 1\n", (c >> 1),c);
  22.  return 0;
  23. }
Success #stdin #stdout 0s 2112KB
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stdin
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Standard input is empty
stdout
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a = 2147483648
b = -2147483648
c = 1

0   : 2147483648 >> 32 // 0x0
1   : 2147483648 >> 31 // 0x1
2   : 2147483648 >> 30 // 0x2
-1   : -2147483648 >> 32 // 0xffffffff
-1   : -2147483648 >> 31 // 0xffffffff
-2   : -2147483648 >> 30 // 0xfffffffe
0   : 1 >> 1
https://ideone.com/TDjSWy
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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