#include<stdio.h>
#define MAX_NUMBER 30
void ReadSco( long num[], int sco[], int n);
void CacuSco(int n);
void RankSco( long num[], int sco[], int n);
main()
{
    int n;
    long num;
    int sco;

    printf("Input n:\n");
    scanf("%d",&n);

    ReadSco(num,sco,n);
    CacuSco(n);
    RankSco(num,sco,n);

}

    void ReadSco( long num[], int sco[], int n)
    {
        int i;
        printf("Input record:\n");

        for( i=0; i<n; i++)
        {
        scanf("%ld%d\n",&num[i],&sco[i]);
        }
    }

    void CacuSco(int sco[], int n)
    {
        int i;
        int sum;
        float average;
        printf("Caculate total and average score of course:\n");

        for ( i=0; i<n; i++ )
        {   
            sum += sco[i];
        }
            
        average =(float)sum/n;
        printf("%d%f\n",sum,average);
    }

    void RankSco( long num[], int sco[], int n)
    {
        int i,j,temp;
        for ( i=0; i<n-1; i++ )
        {
            for( j=i+i; j<n; j++ )
            {
                if ( num[j] > num[i] )
                {
                    temp = num[j];
                    num[j] = num[i];
                    num[i] = temp;
                }
                if ( sco[j] < sco[i] )
                {
                    temp = sco[i];
                    sco[j] = sco[i];
                    sco[i] = temp;
                }
            }
        }
        printf("%ld\t%d\n",num[i],sco[i]);
    }

如图按回车就错误.

谢谢提醒哈  以后会注意这些的.

哇咔咔 竟然可以把错误比喻的这么生动~

我改正了这个错误 但是后续又出错了 是怎么了  我觉得应该是CacuSco函数里面有错误  麻烦看一下.

我改正了这个错误 但是后续又出错了 是怎么了  我觉得应该是CacuSco函数里面有错误  麻烦看一下.