C计算总成绩与平均分
总成绩和平均分计算
http://www.nowcoder.com/questionTerminal/0fa5132c156b434da4347ad051c4be22
include<stdio.h>
int main()
{
float a,b,c;
scanf("%f %f %f",&a,&b,&c);
double sum,avg;
b+=a;
c+=b;
sum=c;
avg=sum/3;
printf("%0.2f %0.2f",c,avg);
return 0;
}
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