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# include <stdio.h>
 
int main()
{
    /* ¶¨ÒåÒ»¸öÕûÊýÀàÐ͵ıäÁ¿£¬ÓÃÀ´´æ·ÅºóÃæËãʽµÄÖµ */
    int logic;    
 
    int a = 1;
    int b = 2;
    int c = 3;
 
    logic = a+b>c&&b<=c;   // ((a+b)>c)&&(b<=c)
    printf("logic = %d\n", logic);
 
    logic = a>=b+c||b==c;  // (a>=(b+c))||(b==c)
    printf("logic = %d\n", logic);
 
    logic = !(a<c)+b!=1&&(a+c)/2;  // (((!(a<c))+b)!=1)&&((a+c)/2)
    printf("logic = %d\n", logic);
    return 0;
}


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Hacks in C Programming Language

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enum {false,true};
int main()
{
int i=1;
do
{
printf("%d\n",i);
i++;
if(i < 15)
continue;
}while(false);
return 0;
}

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C ¶Á100¸öÊýµ½Êý×é

 #include <stdio.h>
#define MAX 100
int a[MAX], b[MAX], count = 0;
void rData()
{ int i;
FILE *fp;
fp = fopen("C:\\100.dat", "r");
for (i=0; i<MAX; i++)
fscanf(fp, "%d,", &a[i]);
fclose(fp);
}
 
void main()
{ int i;
rData();
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