按原来排序的规律将它插入数组中。
#include<stdio.h>
#define N 20
#define M 11
void main() { int a[N]={1,3,5,7,9,11,13,15,17,19,21},x,i,j;
scanf("%d",&x);
for ( i=M;i>0;i++ ) if ( a[i-1]>x ) a[i]=a[i-1]; else break;
a[i]=x;
for ( i=0;i<M+1;i++ ) printf("%d ",a[i]); printf("\n");
}