#include
#include
#include
#include
#include
using namespace std;
int i;
struct student
{ char name[20];
char sex[10];
int age,num;
struct sco
{ int phy;
int maths;
int english;
int computer;
int vc;
}score;
}stu[1000];
void scan()
{ int u,xe;
i=0;
for(u=0;u<1000;u++)
{ strcpy(stu[u].name,"/0");
strcpy(stu[u].sex,"/0");
stu[u].num=0;
stu[u].age=0;
stu[u].score.phy=0;
stu[u].score.maths=0;
stu[u].score.english=0;
stu[u]https://www.sodocs.net/doc/199561628.html,puter=0;
stu[u].score.vc=0;
}
printf("依次输入你要输入的信息,先是名字,然后学号,性别,年龄,成绩(5科),此系统最多科存1000名学生信息,剩余1000\n");
do
{ printf("输入学生名字\n");
scanf("%s",&stu[i].name);
printf("输入学生学号\n");
scanf("%d",&stu[i].num);
printf("输入学生性别\n");
while(scanf("%s",&stu[i].sex)&&strcmp(stu[i].sex,"boy")!=0&&strcmp(stu[i].sex, "girl")!=0)
printf("输入错误,请再输入");
printf("输入学生年龄\n");
scanf("%d",&stu[i].age);
printf("输入学生成绩(5科)\n");
printf("物理:");
scanf("%d",&stu[i].score.phy);
printf("数学:");
scanf("%d",&stu[i].score.maths);
printf("电脑:");
scanf("%d",&stu[i]https://www.sodocs.net/doc/199561628.html,puter);
printf("英语:");
scanf("%d",&stu[i].score.english);
printf("VC:");
scanf("%d",&stu[i].score.vc);
printf("剩余%d\n",999-i);
printf("0继续输入下一个学生信息\n1回到菜单\n");
i++;
if(i>=1000){printf("系统存储空间已满,无法继续增加,抱歉!");break;}
while(scanf("%d",&xe)&&xe!=0&&xe!=1)
printf("输入错误,请再输入");
if(xe==0)printf("请继续输入\n");
}while(xe!=1);
}
void watch1()
{ if(i==0)printf("请先输入学生信息\n");
while(i!=0)
{ int i2,j2,all[100],averge[100],g,a,za;
char change3[10];
for(i2=0;i2
{ all[i2]=stu[i2].score.phy+stu[i2]https://www.sodocs.net/doc/199561628.html,puter+stu[i2].score.english+stu[i2]. score.maths+stu[i2].score.vc;
averge[i2]=all[i2]/5;
}
for(i2=1;i2
{ for(j2=1;j2
{ if(all[j2-1] { a=stu[j2-1].age;stu[j2-1].age=stu[j2].age;stu[j2].age=a; a=stu[j2-1]https://www.sodocs.net/doc/199561628.html,puter;stu[j2-1]https://www.sodocs.net/doc/199561628.html,puter=stu[j2]https://www.sodocs.net/doc/199561628.html,puter;st u[j2]https://www.sodocs.net/doc/199561628.html,puter=a; a=stu[j2-1].score.english;stu[j2-1].score.english=stu[j2].score.english;stu[j2].sc ore.english=a; a=stu[j2-1].score.maths;stu[j2-1].score.maths=stu[j2].score.maths;stu[j2].scor e.maths=a; a=stu[j2-1].score.phy;stu[j2-1].score.phy=stu[j2].score.phy;stu[j2].score.phy=a; a=stu[j2-1].score.vc;stu[j2-1].score.vc=stu[j2].score.vc;stu[j2].score.vc=a; a=all[j2-1];all[j2-1]=all[j2];all[j2]=a; a=stu[j2-1].num;stu[j2-1].num=stu[j2].num;stu[j2].num=a; a=averge[j2-1];averge[j2-1]=averge[j2];averge[j2]=a; strcpy(change3,stu[j2-1].name); strcpy(stu[j2-1].name,stu[j2].name); strcpy(stu[j2].name,change3); strcpy(change3,stu[j2-1].sex); strcpy(stu[j2-1].sex,stu[j2].sex); strcpy(stu[j2].sex,change3); } } } printf("学号姓名性别年龄物理数学英语电脑VC 总分平均分名次\n"); for(g=0;g printf("%-6d%-10s%-5s%-5d%-5d%-5d%-5d%-5d%-5d%-5d%-5d%-5d\n",stu[ g].num,stu[g].name,stu[g].sex,stu[g].age,stu[g].score.phy,stu[g].score.maths,s tu[g].score.english,stu[g]https://www.sodocs.net/doc/199561628.html,puter,stu[g].score.vc,all[g],averge[g],g+1); printf("输入0返回菜单"); while(scanf("%d",&za)&&za!=0) printf("输入错误,请再输入"); if(za==0)break; } } void watch2() { if(i==0)printf("请先输入学生信息\n"); while(i!=0) { int max[5],min[5],j,g,i2,all[100],averge[100],za,j2,a,yy[5][2];char change3[20]; for(i2=0;i2 { all[i2]=stu[i2].score.phy+stu[i2]https://www.sodocs.net/doc/199561628.html,puter+stu[i2].score.english+stu[i2]. score.maths+stu[i2].score.vc; averge[i2]=all[i2]/5; } for(i2=0;i2 { for(j2=1;j2 { if(all[j2-1] { a=stu[j2-1].age;stu[j2-1].age=stu[j2].age;stu[j2].age=a; a=stu[j2-1]https://www.sodocs.net/doc/199561628.html,puter;stu[j2-1]https://www.sodocs.net/doc/199561628.html,puter=stu[j2]https://www.sodocs.net/doc/199561628.html,puter;st u[j2]https://www.sodocs.net/doc/199561628.html,puter=a; a=stu[j2-1].score.english;stu[j2-1].score.english=stu[j2].score.english;stu[j2].sc ore.english=a; a=stu[j2-1].score.maths;stu[j2-1].score.maths=stu[j2].score.maths;stu[j2].scor e.maths=a; a=stu[j2-1].score.phy;stu[j2-1].score.phy=stu[j2].score.phy;stu[j2].score.phy=a; a=stu[j2-1].score.vc;stu[j2-1].score.vc=stu[j2].score.vc;stu[j2].score.vc=a; a=all[j2-1];all[j2-1]=all[j2];all[j2]=a; a=stu[j2-1].num;stu[j2-1].num=stu[j2].num;stu[j2].num=a; a=averge[j2-1];averge[j2-1]=averge[j2];averge[j2]=a; strcpy(change3,stu[j2-1].name); strcpy(stu[j2-1].name,stu[j2].name); strcpy(stu[j2].name,change3); strcpy(change3,stu[j2-1].sex); strcpy(stu[j2-1].sex,stu[j2].sex); strcpy(stu[j2].sex,change3); } } } printf("学号姓名性别年龄物理数学英语电脑VC 总分平均分名次\n"); for(i2=0;i2 { all[i2]=stu[i2].score.phy+stu[i2]https://www.sodocs.net/doc/199561628.html,puter+stu[i2].score.english+stu[i2]. score.maths+stu[i2].score.vc; averge[i2]=all[i2]/5; } for(g=0;g printf("%-6d%-10s%-5s%-5d%-5d%-5d%-5d%-5d%-5d%-5d%-5d%-5d\n",stu[ g].num,stu[g].name,stu[g].sex,stu[g].age,stu[g].score.phy,stu[g].score.maths,s tu[g].score.english,stu[g]https://www.sodocs.net/doc/199561628.html,puter,stu[g].score.vc,all[g],averge[g],g+1); max[0]=0;min[0]=100; for(j=0;j { if(stu[j].score.phy>=max[0]) { max[0]=stu[j].score.phy;yy[0][0]=j;} if(stu[j].score.phy<=min[0]) { min[0]=stu[j].score.phy;yy[0][1]=j;} } max[3]=0;min[3]=100; for(j=0;j { if(stu[j]https://www.sodocs.net/doc/199561628.html,puter>=max[3]) { max[3]=stu[j]https://www.sodocs.net/doc/199561628.html,puter;yy[3][0]=j;} if(stu[j]https://www.sodocs.net/doc/199561628.html,puter<=min[3]) { min[3]=stu[j]https://www.sodocs.net/doc/199561628.html,puter;yy[3][1]=j;} } max[2]=0;min[2]=100; for(j=0;j { if(stu[j].score.english>=max[2]) { max[2]=stu[j].score.english;yy[2][0]=j;} if(stu[j].score.english<=min[2]) { min[2]=stu[j].score.english;yy[2][1]=j;} } max[1]=0;min[1]=100; for(j=0;j { if(stu[j].score.maths>=max[1]) { max[1]=stu[j].score.maths;yy[1][0]=j;} if(stu[j].score.maths<=min[1]) { min[1]=stu[j].score.maths;yy[1][1]=j;} } max[4]=0;min[4]=100; for(j=0;j { if(stu[j].score.vc>=max[4]) { max[4]=stu[j].score.vc;yy[4][0]=j;} if(stu[j].score.vc<=min[4]) { min[4]=stu[j].score.vc;yy[4][1]=j;} } printf("物理最高分:%d %s最低分:%d %s\n数学最高分:%d %s最低分%d %s\n 英语最高分:%d %s最低分:%d %s\n电脑最高分:%d %s最低分:%d %s\nV C最高分:%d %s最低 分:%d %s\n",max[0],stu[yy[0][0]].name,min[0],stu[yy[0][1]].name,max[1],stu[yy [1][0]].name,min[1],stu[yy[1][1]].name,max[2],stu[yy[2][0]].name,min[2],stu[yy[ 2][1]].name,max[3],stu[yy[3][0]].name,min[3],stu[yy[3][1]].name,max[4],stu[yy[ 4][0]].name,min[4],stu[yy[4][1]].name); printf("输入0返回菜单"); while(scanf("%d",&za)&&za!=0) printf("输入错误,请再输入"); if(za==0)break; } } void fine() { if(i==0)printf("请先输入学生信息\n"); while(i!=0) { printf("用学号查找请输入0,用姓名查找请输入1\n"); int i1,j1,num1,te=0,tc=0;char name1[20]; scanf("%d",&i1); if(i1!=0&&i1!=1) printf("输入错误\n"); else if(i1==0) { printf("请输入学生学号"); scanf("%d",&num1); for(j1=0;j1 if(num1==stu[j1].num) { printf("学号:%d姓名:%s性别:%s年龄:%d物理:%d数学:%d英语:%d电脑:%dVC:%d总 分%d\n",stu[j1].num,stu[j1].name,stu[j1].sex,stu[j1].age,stu[j1].score.phy,stu[j1 ].score.maths,stu[j1].score.english,stu[j1]https://www.sodocs.net/doc/199561628.html,puter,stu[j1].score.vc,stu[j 1].score.vc+stu[j1]https://www.sodocs.net/doc/199561628.html,puter+stu[j1].score.english+stu[j1].score.maths+ stu[j1].score.phy); te=1; } if(te!=1) printf("无此学生信息\n"); } else if(i1==1) { printf("请输入学生姓名"); scanf("%s",&name1); for(j1=0;j1 if(strcmp(name1,stu[j1].name)==0) { printf("学号:%d姓名:%s性别:%s年龄:%d物理:%d数学:%d英语:%d电脑:%dVC:%d总 分%d\n",stu[j1].num,stu[j1].name,stu[j1].sex,stu[j1].age,stu[j1].score.phy,stu[j1 ].score.maths,stu[j1].score.english,stu[j1]https://www.sodocs.net/doc/199561628.html,puter,stu[j1].score.vc,stu[j 1].score.vc+stu[j1]https://www.sodocs.net/doc/199561628.html,puter+stu[j1].score.english+stu[j1].score.maths+ stu[j1].score.phy); tc=1; } if(tc!=1) printf("无此学生信息\n"); } printf("继续查找请输入1,回菜单请输入0"); int qq; while(scanf("%d",&qq)&&qq!=0&&qq!=1) printf("输入错误,请再输入"); if(qq==1)continue; if(qq==0)break; } } void became() { if(i==0)printf("请先输入学生信息\n"); while(i!=0) { printf("请输入要修改的学生学号\n"); int num2,j3; scanf("%d",&num2); for(j3=0;j3<=i;j3++) if(num2==stu[j3].num) { strcpy(stu[j3].name,"/0"); printf("重新输入该学生所有数据,依次为学号、姓名、性别、年龄、物理、数学、英语、电脑、VC。\n"); printf("输入学生名字\n"); scanf("%s",&stu[j3].name); printf("输入学生学号\n"); scanf("%d",&stu[j3].num); printf("输入学生性别\n"); while(scanf("%s",&stu[j3].sex)&&strcmp(stu[j3].sex,"boy")!=0&&strcmp(stu[j3]. sex,"girl")!=0) printf("输入错误,请再输入"); printf("输入学生年龄\n"); scanf("%d",&stu[j3].age); printf("输入学生成绩(5科)\n"); printf("物理:"); scanf("%d",&stu[j3].score.phy); printf("数学:"); scanf("%d",&stu[j3].score.maths); printf("电脑:"); scanf("%d",&stu[j3]https://www.sodocs.net/doc/199561628.html,puter); printf("英语:"); scanf("%d",&stu[j3].score.english); printf("VC:"); scanf("%d",&stu[j3].score.vc); printf("修改成功"); } else("未找到该学号学生请确定输入无误\n"); int za; printf("输入0返回菜单,输入1继续查找"); while(scanf("%d",&za)&&za!=0&&za!=1) printf("输入错误,请再输入"); if(za==0)break; if(za==1)continue; } } void out() { if(i==0)printf("请先输入学生信息\n"); while(i!=0) { printf("请输入要删除的学生的学号\n"); int num3,j4,i3,za; scanf("%d",&num3); for(j4=0;j4<=i;j4++) if(num3==stu[j4].num) { for(i3=j4;i3 { stu[i3].num=stu[i3+1].num; stu[i3].age=stu[i3+1].age; strcpy(stu[i3].name,stu[i3+1].name); strcpy(stu[i3].sex,stu[i3+1].sex); stu[i3]https://www.sodocs.net/doc/199561628.html,puter=stu[i3+1]https://www.sodocs.net/doc/199561628.html,puter; stu[i3].score.english=stu[i3+1].score.english; stu[i3].score.maths=stu[i3+1].score.maths; stu[i3].score.phy=stu[i3+1].score.phy; stu[i3].score.vc=stu[i3+1].score.vc; } i--; printf("修改成功\n"); } else printf("未找到该学号学生请确定输入无误\n"); printf("输入0返回菜单,输入1继续修改"); while(scanf("%d",&za)&&za!=0&&za!=1) printf("输入错误,请再输入"); if(za==0)break; if(za==1)continue; } } void into() { for(;;) { if(i>1000){printf("系统存储空间已满,无法继续增加,抱歉!\n");break;} printf("输入要增加学生信息,依次为学号、姓名、性别、年龄、物理、数学、英语、电脑、VC。\n"); i++; printf("输入学生名字\n"); scanf("%s",&stu[i-1].name); printf("输入学生学号\n"); scanf("%d",&stu[i-1].num); printf("输入学生性别\n"); while(scanf("%s",&stu[i-1].sex)&&strcmp(stu[i-1].sex,"boy")!=0&&strcmp(stu[i-1].sex,"girl")!=0) printf("输入错误,请再输入"); printf("输入学生年龄\n"); scanf("%d",&stu[i-1].age); printf("输入学生成绩(5科)\n"); printf("物理:"); scanf("%d",&stu[i-1].score.phy); printf("数学:"); scanf("%d",&stu[i-1].score.maths); printf("电脑:"); scanf("%d",&stu[i-1]https://www.sodocs.net/doc/199561628.html,puter); printf("英语:"); scanf("%d",&stu[i-1].score.english); printf("VC:"); scanf("%d",&stu[i-1].score.vc); printf("输入成功,剩余%d",1000-i); if(i>=1000){printf("系统存储空间已满,无法继续增加,抱歉!\n");break;} int za; printf("输入0返回菜单,输入1继续增加"); while(scanf("%d",&za)&&za!=0&&za!=1) printf("输入错误,请再输入"); if(za==0)break; if(za==1)continue; } } void main() { int a,wu=0; FILE *fp; fp=fopen("out.txt","rb+"); if(feof(fp)!=0)i=0; while(feof(fp)==0) { fread(&i,sizeof(int),1,fp); for(int m=0;m fread(&stu[m],sizeof(struct student),1,fp); } fclose(fp); do {printf("********************主菜单********************\n"); printf(" 1.输入和储存学生信息(会删除之前记录)\n"); printf(" 2.查看学生信息(已排名)\n"); printf(" 3.学生成绩统计\n"); printf(" 4.查找学生信息\n"); printf(" 5.修改学生信息\n"); printf(" 6.删除学生信息\n"); printf(" 7.增加学生信息\n"); printf(" 8.退出\n"); printf("**********************************************\n"); printf("请输入选择项目序号:"); while(scanf("%d",&a)&&a!=0&&a!=1&&a!=2&&a!=3&&a!=4&&a!=5&&a!=6&&a !=7&&a!=8) printf("输入错误,请再输入"); if(a==1) {scan();} if(a==2) {watch1();} if(a==3) {watch2();} if(a==4) {fine();} if(a==5) {became();} if(a==6) {out();} if(a==7) {into();} if(a==8) { FILE *fp; fp=fopen("out.txt","rb+"); fwrite(&i,sizeof(int),1,fp); for(int m=0;m fwrite(&stu[m],sizeof(struct student),1,fp); fclose(fp); break; } }while(8); }