Question

编写C语言程序,从键盘输入10个整数保存到数组中,从大到小排序写入到C盘根目录date.txt文件

Answer 1

#include<stdio.h>

#define N 10
void main()
{ int a[N],i,j,k; FILE *fp;
for ( i=0;i<N;i++ ) scanf("%d",&a[i]);
for ( i=0;i<N-1;i++ ) for ( j=i+1;j<N;j++ ) if ( a[i]<a[j] ) { k=a[i];a[i]=a[j];a[j]=k; }
if ( fp=fopen("c:\\data.txt","w+") )
{ for ( i=0;i<N;i++ ) fprintf(fp,"%d\n",a[i]);
fclose(fp);
} else printf("创建文件错误。\n");
}