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181 lines
3.0 KiB
181 lines
3.0 KiB
#include<stdio.h>
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#include<string.h>
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int i=0;
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struct data
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{
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char num[10];
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char clas[10];
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char name[20];
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float grade1;
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float grade2;
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float grade3;
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float total;
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};
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struct data stu[100];
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int main()
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{
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void menu();
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menu();
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}
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void print(struct data a)
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{
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printf("%s %s %s %3.1f %3.1f %3.1f %3.1f",a.num,a.clas,a.name,a.grade1,a.grade2,a.grade3,a.grade1+a.grade2+a.grade3);
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}
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void menu()
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{
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void input();
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void delet();
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void select();
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void order();
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void output();
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printf(" 1.input\n");
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printf(" 2.delete\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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int a;
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scanf("%d",&a);
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if(a==1)
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{
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input();
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}
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else if(a==2)
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{
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delet();
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}
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else if(a==3)
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{
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select();
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}
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else if(a==4)
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{
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order();
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}
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else if(a==5)
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{
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output();
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}
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else printf("\n");
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}
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void input()
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{
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void menu();
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char a[5];
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printf("Id ");
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scanf("%s",stu[i].num);
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printf("class ");
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scanf("%s",stu[i].clas);
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printf("name ");
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scanf("%s",stu[i].name);
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printf("score1 ");
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scanf("%f",&stu[i].grade1);
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printf("score2 ");
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scanf("%f",&stu[i].grade2);
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printf("score3 ");
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scanf("%f",&stu[i].grade3);
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stu[i].total=stu[i].grade1+stu[i].grade2+stu[i].grade3;
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printf("continue?(yes or no)\n");
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scanf("%s",a);
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if(strcmp(a,"yes")==0)
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{
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i++;
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input();
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}
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else menu();
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}
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void delet()
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{
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void menu();
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char a[10];
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char b[10];
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printf("请输入要删除的学生学号或者姓名 ");
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scanf("%s",a);
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struct data temp;
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for(int j=0;j<i+1;j++)
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{
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if(strcmp(a,stu[j].num)==0||strcmp(a,stu[j].name)==0)
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{
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stu[j]=stu[i];
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i--;
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}
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if(i==0) break;
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}
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printf("continue?(yes or no)\n");
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scanf("%s",b);
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if(strcmp(b,"yes")==0&&i!=0)
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delet();
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else menu();
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}
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void select()
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{
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void menu();
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void print(struct data a);
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char a[10];
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char b[10];
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printf("请输入要查询的学生的学号或班级 ");
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scanf("%s",a);
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for(int j=0;j<i+1;j++)
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{
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if(strcmp(stu[j].num,a)==0||strcmp(stu[j].clas,a)==0)
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print(stu[j]);
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printf("\n");
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}
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printf("continue?(yes or no)\n");
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scanf("%s",b);
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if(strcmp(b,"yes")==0&&i!=0)
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select();
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else menu();
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}
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void order()
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{
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struct data temp;
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void menu();
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for(int j=0;j<i+1;j++)
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{
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for(int p=j+1;p<i+1;p++)
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{
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if(strcmp(stu[j].clas,stu[p].clas)>0)
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{
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temp=stu[j];
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stu[j]=stu[p];
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stu[p]=temp;
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}
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}
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}
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for(int j=0;j<i+1;j++)
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{
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for(int p=j+1;p<i+1;p++)
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{
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if(stu[j].total<stu[p].total&&strcmp(stu[j].clas,stu[p].clas)==0)
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{
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temp=stu[j];
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stu[j]=stu[p];
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stu[p]=temp;
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}
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}
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}
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for(int j=0;j<i+1;j++)
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{
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print(stu[j]);
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printf("\n");
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}
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menu();
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}
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void output()
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{
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void print(struct data a);
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void menu();
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for(int j=0;j<i+1;j++)
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{
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print(stu[j]);
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printf("\n");
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}
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menu();
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}
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