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  1. #include <stdbool.h>
  2. #include <stdio.h>
  3.  
  4. int main(void)
  5. {
  6.     bool b = false;
  7.  
  8.     printf("%u\n", b);
  9.  
  10.     b = 5 > 3;
  11.     printf("%u\n", b);
  12.  
  13.     b = 0;
  14.     printf("%u\n", b);
  15.  
  16.     b = -987;
  17.     printf("%u\n", b);
  18. }
Success #stdin #stdout 0s 2292KB
comments (?)
stdin 
Standard input is empty
stdout 
0
1
0
1
https://ideone.com/ZFQF11
测试bool
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
public

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