摘要： 1 #include<stdio.h> 2 #include<math.h> 3 int main(){ 4 int i,j,n; 5 printf("n="); 6 scanf("%d",&n); 7 printf("\n"); 8 for (i=1;i<=2*n+1;i++){ 9 for (j=1;j<=(-abs(i-n-1)+2*n+1);j++){10 if (j<=abs(n+1-i))11 printf(" ");12 else13 printf(& 阅读全文