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# include <stdio.h>
 
int main()
{
    int i, j, k;
     
    /* ±äÁ¿i´Ó0µ½4£¬±íʾËù»­ÁâÐÎͼµÄµÚÒ»ÖÁµÚÎåÐÐ */
    for(i = 0; i <= 4; i++)
    {
        /* µ±ÐÐÊýΪiʱ£¬¿Õ¸ñÊýÊÇiµÄº¯Êý£¬Îª4-i¸ö */
        for(j = 0; j <= 3-i; j++)
            printf(" ");
        /* ÐǺÅÊýÒ²ÊÇiµÄº¯Êý£¬Îª2i+1¸ö */
        for(k = 0; k <= 2*i; k++)
            printf("*");
        printf("\n");
    }
     
    /* ±äÁ¿i´Ó0µ½3£¬±íʾËù»­ÁâÐÎͼµÄµÚÁùÖÁµÚ¾ÅÐÐ */
    for(i = 0; i <= 3; i++)
    {
        /* µ±ÐÐÊýΪiʱ£¬¿Õ¸ñÊýÊÇiµÄº¯Êý£¬´ËʱΪi¸ö */
        for(j = 0; j <= i; j++)
            printf(" ");
        /* ÐǺÅÊýÒ²ÊÇiµÄº¯Êý£¬´ËʱΪ7-2i¸ö */
        for(k = 0; k <= 6-2*i; k++)
            printf("*");
        printf("\n");
    }
    return 0;
}


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int main() {
char str[] = {'E', 'M', 'C'};
for (int d=-1; d<=(NELE(str)-2);d++)
      printf("%c",str[d+1]);
return 0;
}
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# include <stdio.h>
 
int main()
{
    /* sex´ú±íÊäѪÕßµÄÐÔ±ð£¬weight´ú±íÊäѪÕßµÄÌåÖØ£¬cubage´ú±íÊäѪÁ¿ */
    int sex, weight, cubage;
    printf("Çë¸ø³öÊäѪÕßµÄÐÔ±ð£¨Å®ÐÔΪ¸ºÊý£©ºÍÌåÖØ£º(ÓöººÅ¸ô¿ª)");
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