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232 lines
4.1 KiB
232 lines
4.1 KiB
#include<stdio.h>
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#include<string.h>
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#include<stdlib.h>
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int len=0;
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struct Student/*结构体尝试*//*全局变量*/
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{
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char id[200];
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int clas;
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char name[200];
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double a;
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double b;
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double c;
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double d;
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}stu[10001];
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void print()/*打印程序*/
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{
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int i;
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for(i=1;i<=len;i++)
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printf("%s,%d,%s,%.1lf,%.1lf,%.1lf,%.1lf\n",stu[i].id,stu[i].clas,stu[i].name,stu[i].a,stu[i].b,stu[i].c,stu[i].d);
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}
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void input()/*输入程序*/
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{
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char e[1001];
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len++;
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printf("Id ");
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scanf("%s",&stu[len].id);
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printf("class ");
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scanf("%d",&stu[len].clas);
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printf("name ");
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scanf("%s",&stu[len].name);
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printf("score1 ");
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scanf("%lf",&stu[len].a);
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printf("score2 ");
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scanf("%lf",&stu[len].b);
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printf("score3 ");
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scanf("%lf",&stu[len].c);
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stu[len].d=stu[len].a+stu[len].b+stu[len].c;
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printf("continue?\n");
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scanf("%s",&e);
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if(strcmp(e,"no")==0)
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menuprint();
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else if(strcmp(e,"yes")==0)
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input();
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}
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void delet()/*删除程序*/
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{
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int i,j;
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int k;/*储存长度*/
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k=len;
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char e[1001],f[1001];
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scanf("%s",&e);
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if(len>1)
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{
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for(i=1;i<=len;i++)
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{
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if(strcmp(stu[i].id,e)==0||strcmp(stu[i].name,e)==0)
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{
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k--;
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for(j=i;j<=len;j++)
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{
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strcpy(stu[j].id, stu[j+1].id);
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stu[j].clas=stu[j+1].clas;
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strcpy(stu[j].name,stu[j+1].name);
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stu[j].a=stu[j+1].a;
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stu[j].b=stu[j+1].b;
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stu[j].c=stu[j+1].c;
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stu[j].d=stu[j+1].d;
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}
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}
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}
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if(k!=len)
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len=k;
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print();
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}
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else if(len<=1)
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printf("You can't delete this one because there is only one student in it!\n");
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printf("continue?\n");
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scanf("%s",&f);
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if(strcmp(f,"no")==0)
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menuprint();
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else if(strcmp(f,"yes")==0)
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select();
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}
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void select()
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{
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char e[1001],f[1001];
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scanf("%s",&e);
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int i,j;
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for(i=1;i<=len;i++)
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{
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if(strcmp(stu[i].id,e)==0||strcmp(stu[i].name,e)==0)
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{
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printf("%s,%d,%s,%.1lf,%.1lf,%.1lf,%.1lf\n",stu[i].id,stu[i].clas,stu[i].name,stu[i].a,stu[i].b,stu[i].c,stu[i].d);
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}
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}
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printf("continue?\n");
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scanf("%s",&f);
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if(strcmp(f,"no")==0)
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menuprint();
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else if(strcmp(f,"yes")==0)
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select();
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}
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void order()
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{
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int k=0;
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int i;
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sortclass();
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k=1;/*前端*/
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for(i=1;i<=len;i++)
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{
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if(stu[i+1].clas!=stu[k].clas)
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{
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sortexam(k,i);
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k=i+1;
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}
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print();
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menuprint();
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}
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}
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void sortclass()/*班级排序程序*/
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{
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int i,j;
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char e[1001]="0";
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int t=0;
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double k=0;
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for(i=1;i<=len;i++)/*冒泡*/
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for(j=1;j<=len-i;j++)
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{
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if(stu[j].clas>stu[j+1].clas)
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{
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t=stu[j].clas;
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stu[j].clas=stu[j+1].clas;
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stu[j+1].clas=t;
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strcpy(e,stu[j].id);
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strcpy(stu[j].id, stu[j+1].id);
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strcpy(stu[j+1].id,e);
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strcpy(e,stu[j].name);
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strcpy(stu[j].name, stu[j+1].name);
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strcpy(stu[j+1].name,e);
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k=stu[j].a;
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stu[j].a=stu[j+1].a;
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stu[j+1].a=k;
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k=stu[j].b;
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stu[j].b=stu[j+1].b;
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stu[j+1].b=k;
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k=stu[j].c;
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stu[j].c=stu[j+1].c;
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stu[j+1].c=k;
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k=stu[j].d;
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stu[j].d=stu[j+1].d;
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stu[j+1].d=k;
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}
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}
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}
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void sortexam(int m,int h)/*班内排序程序*/
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{
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int i,j;
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char e[1001]="0";
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int t=0;
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double k=0;
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for(i=m;i<=h;i++)/*冒泡*/
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for(j=m;j<=h-i;j++)
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{
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if(stu[j].d<stu[j+1].d)
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{
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t=stu[j].clas;
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stu[j].clas=stu[j+1].clas;
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stu[j+1].clas=t;
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strcpy(e,stu[j].id);
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strcpy(stu[j].id, stu[j+1].id);
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strcpy(stu[j+1].id,e);
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strcpy(e,stu[j].name);
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strcpy(stu[j].name, stu[j+1].name);
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strcpy(stu[j+1].name,e);
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k=stu[j].a;
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stu[j].a=stu[j+1].a;
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stu[j+1].a=k;
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k=stu[j].b;
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stu[j].b=stu[j+1].b;
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stu[j+1].b=k;
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k=stu[j].c;
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stu[j].c=stu[j+1].c;
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stu[j+1].c=k;
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k=stu[j].d;
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stu[j].d=stu[j+1].d;
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stu[j+1].d=k;
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}
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}
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}
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void judge()
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{
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int t;
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scanf("%d",&t);
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if(t==1)
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input();
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else if(t==2)
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delet();
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else if(t==3)
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select();
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else if(t==4)
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order();
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else if(t==5)
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{
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print();
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menuprint();
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}
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else if(t!=6)
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{
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printf("Wrong input\n");
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menuprint();
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}
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}
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void menuprint()
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{
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printf("1.input\n");
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printf("2.delet\n");
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printf("3.select\n");
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printf("4.order\n");
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printf("5.output\n");
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printf("6.quit\n");
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printf("please input your option\n");
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judge();
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}
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int main()
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{
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menuprint();
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return 0;
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}
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