03.c

学习c语言时的一些例程

#include"stdio.h"
void main()
{float score,average=0;
int n=0;
scanf("%f",&score);
if(score<0);
goto end;
loop:average+=score;
n++;
scanf("%f",&score);
if(score>=0);
goto loop;
average/=n;
end:printf("%6.2f",average);
}