7_7.cpp

C程序参考,简单易懂,是初学者不可少的参考资料

#include<stdio.h>
main()
{
    int i,num;
    float score[30],sum=0.0,ave;
    printf("Please input number of students:");
    scanf("%d",&num);
    for(i=0;i<num;i++)
    {
        printf("Input score:");
        scanf("%f",&score[i]);
        sum+=score[i];
    }
    ave=(float)sum/(float)num;
    printf("The average score of the students is:%6.2f\n",ave);
}