至今還保存著當初學 C語言 時的代碼，現在看來已經有點生疏，畢竟好久沒玩了。

往事不堪回首啊！

直接貼代碼了：

#include <stdio.h> struct student {int num;char name[15];float score[3];double avr; }; struct student stu[50]; struct student input() {struct student studn;int i,sum=0;printf ("請輸入學號:");scanf ("%d",&studn.num);printf ("請輸入姓名:");scanf("%s",&studn.name);for(i=0;i<3;i++){printf ("第%d 個成績:",i+1);scanf ("%f",&studn.score[i]);sum+=studn.score[i];}studn.avr=sum/3.0;return studn; } void display(struct student stud[],int count) {printf ("\n學號\t姓名\t平均成績\n");for (int i=0;i<count;i++){printf ("%d",stud[i].num);printf ("\t%s",stud[i].name);printf ("\t%7.2f",stud[i].avr);printf ("\n");} } void sort (struct student stud[],int count) {struct student t;for (int i=0;i<count;i++){for (int j=0;j<count-i-1;j++){if ((stud[j].avr)<(stud[j+1].avr)){t=stud[j];stud[j]=stud[j+1];stud[j+1]=t;}}} }void insert (struct student stud[],int count) {int i,j;struct student temp;printf ("請輸入要插入學員的信息\n");temp = input();for(i=0;i<count;i++){if((stud[i].avr)<(temp.avr))break;}for (j=count;j>=i;j--){stud[j+1]=stud[j];}stud[i]=temp; } void display2(struct student stud[],int count) {printf ("\n學號\t姓名\t平均成績\n");for (int i=0;i<(count+1);i++){printf ("%d",stud[i].num);printf ("\t%s",stud[i].name);printf ("\t%7.2f",stud[i].avr);printf ("\n");} } void dele (struct student stud[],int count ) {int i,j,temp;//struct student temp;printf ("請輸入要刪除的學員的學號:\n");scanf ("%d",&temp);// temp=input();for (i=0;i<count;i++){if (stud[i].num==temp){for (j=i;j<count;j++){stud[j]=stud[j+1];}}} }void main() {int count=0;char ch='Y';while((ch=='y')||(ch=='Y')){stu[count]=input();count++;printf ("是否要繼續(y/n):\n");fflush(stdin);scanf ("%c",&ch);}printf ("\n排序前的學員成績序列如下:");display(stu,count);sort (stu,count);printf ("排序后的學員成績序列如下:");display (stu,count);insert(stu,count);printf ("插入后的學員成績序列如下:");display2 (stu,count);dele(stu,count+1);display (stu,count); }

　　

謝謝瀏覽！

轉載于:https://www.cnblogs.com/Music/archive/2012/03/10/c-language-learners-performance-management.html

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