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һrepeat (0<repeat<10)repeat㣺
Ӽһѧĳɼ(ԸΪ־)ƽ(2λС)ͳƲɼĸ
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2   		(repeat=2)
67 88 73 54 82 


#include <stdio.h>
int main(void)
{
    int fail, num;               	
    int repeat, ri;
    double grade, total; 	

    scanf("%d",&repeat);
    for(ri = 1; ri <= repeat; ri++){
        scanf ("%lf", &grade);      	
/*---------*/
       if(num > 0)
           printf("Grade average is %.2f,the number of fail is %d\n", total/num, fail);
    }
}

