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phpinfo();//测试代码高亮

#include "stdio.h"
 
void main()
{
    int i,a,b,c;
    for(i=100;i<1000;i++)
    {
        a = i/100;
        b = (i-100*a)/10;
        c = i-100*a-10*b;
        if(i==a*a*a+b*b*b+c*c*c) printf("%d %d %d %d \n",a,b,c,i);
    }
}

#include "stdio.h"
 
void main()
{
    int i,j,k,a1,a2;
    for(i=1;i<=9;i++)
    {
        for(j=0;j<=9;j++)
        {
            for(k=0;k<=9;k++)
            {
                a1 = i*i*i+j*j*j+k*k*k;
                a2 = i*100+j*10+k;
                if(a1==a2) printf("%d\n", a2);
            }
        }
    }
}

<script type="text/javascript">
var arr = new Array(1,2,3,4,5,6,7,2,3);
var tmp = new Array(0,0,0,0,0,0,0,0,0);
for(var i=0, len=arr.length; i<len; i++)
{
    var j = arr[i];
    if(tmp[j] != 0)
    {
        alert(j);
    }
    else
    {
        tmp[j] = 1;
    }
}
</script>

#include "stdio.h"
 
void inverse_arr(int *p)
{
    int *q,t;
    q = p+9;
    while(p<q)
    {
        t=*p;
        *p=*q;
        *q=t;
        p++;
        q--;
    }
}
 
void main()
{
    int a[10] = {2,1,5,12,56,111,67,12,56,99};
    int i;
    inverse_arr(a);
    for(i=0;i<10;i++)
    {
        printf(" %d ",a[i]);
    }
}