程序代码：

root@~ #cat 714.c
#include <stdio.h>
#define N 100
int main (void) {

        int i,j,n,t,a[N];
        printf("The count is : ");
        scanf("%i",&n);
//input
        for(i=0;i<n;i++) {
                printf("No.%i number:",i+1);
                scanf("%i",&a[i]);
        }
//sort
        for(i=0;i<n-1;i++) {
                for(j=i+1;j<n;j++) {
                        if(a[i]>a[j]) {
                                t=a[i];
                                a[i]=a[j];
                                a[j]=t;
                        }
                }
        }
//output
        printf("After sorted\n");

        for(i=0;i<n;i++)
                printf("%i\n",a[i]);

        return 0;

}

root@~ #./714
The count is : 4
No.1 number:2
No.2 number:5
No.3 number:1
No.4 number:7
After sorted
1
2
5
7
root@~ #