用＊组成X型图案，如下：1＊          ＊7  2＊      ＊6    3＊  ＊5      4＊4    5＊  ＊3  6＊       ＊27＊           ＊1 程序由林杰杰发布http://programfan.com/club/showbbs.asp?id=97897#include int main(void){    int i;    int k;    for (i = 1;i <= 7;i++)    {        k = (i <= 4 ? i : 8 - i);        printf("%*s",k,"*");        printf("%*s\n",8 - 2 * k,"*" + (k == 4));    }    return 0;} 运行结果：*     **   *  * *   *  * **   **     *---------可改写为：#include int main(int _){  while(_ != 8){    printf("%*s",_ <= 4 ? _ : 8 - _, "*");    printf("%*s\n", 8 - 2 * ( _ <= 4 ? _ : 8 - _),                    "*"+((_ <= 4 ? _ : 8 - _) == 4));    _++;    }    getchar();    return 0;} --------------------------------------另一例：#include int main(int _){    while(_ != 6){        printf("%*s\n", 7 + 2 * _, "* * * * * * * * *" + (20 - 4 * _));        _++;    }    getchar();    return 0;}输出结果：        *      * * *    * * * * *  * * * * * * ** * * * * * * * *

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