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  1. # include <stdio.h>
  2. int main(void)
  3. {
  4. 	//(1)定义变量并初始化
  5. 	int a=3,b=2,c=1,d=0,e=0;
  6. 	char c1='a',c2='b';
  7. 	//(2)输出变量的值
  8. 	printf("a=%d,b=%d,c=%d,d=%d,e=%d\n",a,b,c,d,e);
  9. 	printf("c1='%c',c2='%c'\n",c1,c2);
  10. 	//(3)输出表达式的值：1为真,0为假
  11. 	printf("下列表达式的值:1为真,0为假\n");
  12. 	printf("逻辑表达式a&&b的值:%d\n",a&&b);
  13. 	printf("逻辑表达式c&&d的值:%d\n",c&&d);
  14. 	printf("逻辑表达式c1&&c2的值:%d\n",c1&&c2);
  15. 	printf("逻辑表达式d||e的值:%d\n",d||e);
  16. 	printf("逻辑表达式c1||c2的值:%d\n",c1||c2);
  17. 	printf("逻辑表达式!a的值:%d\n",!a);
  18. 	printf("逻辑表达式!d的值:%d\n",!d);
  19. 	printf("数学表达式c<b<a的值:%d\n",b>c&&b<a)
  20.     return 0;
  21. }
  22.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
abCD AbCd
compilation info 
prog.c: In function ‘main’:
prog.c:19:52: error: expected ‘;’ before ‘return’
  printf("数学表达式c<b<a的值:%d\n",b>c&&b<a)
                                                    ^
                                                    ;
     return 0;
     ~~~~~~
stdout 
Standard output is empty
https://ideone.com/qHKQnl
abCD AbCd
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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