//班级上有n个同学,成绩为x(满分100),要求从大到小排列
int n = 0;//同学个数
printf("请输入学生个数:");
scanf_s("%d", &n);//学生个数
const int a = 100;//数组上限
int arr[a];
printf("请输入学生成绩:");
for (int i = 1; i <= n; i++)
{
scanf_s("%d", &arr[i]);
if (arr[i] > 100 || arr[i]<0)
{
printf("
输入成绩无效,请重新输入");
scanf_s("%d", &arr[i]);
}
}
for (int i = 1; i <=n-1; i++)
{
for (int j = 1; j <=i+1 ; j++)
{
if (arr[i] > arr[j ])//判断谁大谁小
{
int a;
a = arr[i];
arr[i] = arr[j ];
arr[j] = a;
}
}
}
int b = 0;
for (int i = 1; i <= n; i++)
{
printf("%d:", arr[i]);
b = b + 1;
if (b == n-1)
{
printf("%d", arr[i + 1]);//去除尾数后面的:
break;
}
}