#include<stdio.h>
int main()
{
struct information
{
int number;
char name[20];
float grade;
}student[100];
int n,i,j;
struct information temp;
printf("please enter the sum of students:");
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%d%s%f",&student[i].number,student[i].name,&student[i].grade);
printf("the order is:");
for(i=0;i<n-1;i++)
for(j=0;j<n-1-i;j++)
if(student[j].grade>student[j+1].grade)
{
temp=student[j];
student[j]=student[j+1];
student[j+1]=temp;
}
for(i=0;i<n;i++)
{
printf("%d\t%s\t%f\t",student[i].number,student[i].name,student[i].grade);
printf("\n");
}
return 0;
}