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84 lines
1.6 KiB
84 lines
1.6 KiB
#include <stdio.h>
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#include <string.h>
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typedef struct
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{
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int id;
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int mclass;
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char name[20];
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float a,b,c;
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float total;
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}Student;
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void sort(Student *person,int len)
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{
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int i;
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int j;
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for(i=0;i<len;i++)
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{
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int k=i;
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for(j=i;j<len;j++)
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{
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if(person[k].mclass>person[j].mclass||(person[k].mclass==person[j].mclass&&person[k].total<person[j].total))
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{
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k=j;
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}
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if(k!=i)
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{
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Student temp=person[i];
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person[i]=person[k];
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person[k]=temp;
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}
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}
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}
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}
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void modify(Student *person,int len,Student modifyperson)
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{
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int i;
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for(i=0;i<len;i++)
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{
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if(person[i].id==modifyperson.id)
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{
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person[i]=modifyperson;
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sort(person,3);
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return;
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}
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}
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}
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void print(Student *person,int len,Student modifyperson)
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{
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int classname=0;
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int i;
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for(i=0;i<len;i++)
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{
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if(person[i].mclass!=classname)
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{
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classname=person[i].mclass;
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printf("%d ",classname);
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}else{
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printf(" ");
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}
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printf("%d %s %.1f %.1f %.1f",person[i].id,person[i].name,person[i].a,person[i].b,person[i].c);
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if(person[i].id==modifyperson.id)
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{
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printf(" modified");
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}
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printf("\n");
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}
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}
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int main()
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{
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Student students[]=
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{
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{10001,11,"Zhang",99.5,88.5,89.5},
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{10002,12,"Yang",77.9,56.5,87.5},
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{10003,11,"Liang",92.5,99.0,60.5}
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};
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sort(students,3);
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Student modifystudent;
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scanf("%d %d %s %f %f %f",&modifystudent.id,&modifystudent.mclass,&modifystudent.name,&modifystudent.a,&modifystudent.b,&modifystudent.c);
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sort(students,3);
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modify(students,3,modifystudent);
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print(students,3,modifystudent);
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return 0;
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}
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