题解 | #学生基本信息输入输出#

#include <stdio.h>
double key( double e)
{
if((int)(e*1000)%10>=5)
{
    e=(int)(e*100)/100.00+0.01;
}
else {
e=(int)(e*100)/100.00;
}
    return e;
}
int main() {
    int a;
    double b,c,d;
    scanf("%d;%lf,%lf,%lf",&a,&b,&c,&d);
   b= key(b);
  c=key(c);
   d=key(d);
    printf("The each subject score of No. %d is %.2lf, %.2lf, %.2lf.",a,b,c,d);
    return 0;
}