#include<stdio.h> ///#define n 3 ///int main()/// { ///int i,j; /// for(i=0;i<=n;i++) /// { /// for(j=1;j<=n-i;j++)/// printf(“ “); /// for(j=1;j<=2*i+1;j++) /// printf(“*“); /// printf(“\n“);/// }/// for(i=n-1;i>=0;i--)/// { /// for(j=1;j<=n-i;j++) /// printf(“ “); /// for(j=1;j<=2*i+1;j++) /// printf(“*“); /// printf(“\n“);/// }/// } ///
///请高手解答一下…语句的意义！作用！
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