帮忙看下是什么问题
程序在VC＋可以运行正常。。但是在TC中运行到主页面的第一布输入数据department时就自动跳出了。。。这是怎么回事。。找不到错误吖。。文件名为data#include<stdio.h>
#include<ctype.h>
#include<stdlib.h>
#include<conio.h>
#include<string.h>
#define LEN sizeof(struct student)
int N=3;
struct student
{ int num;
char name[20];
double score[4];
int pm;
int classnumber;
int grade;
char department[30];
struct student *next;
};
struct student stu[50];
void in();
void out();
void paixu();
void xianshi();
void pingjun();
void menuchoose();
void rate();
void tongji();
void delet(int m,int i);
void update();
void main()
{ int aa;
menuchoose();
scanf("%d",&aa);
while(aa)
{ switch(aa)
{ case 1: in();break;
case 2: out();break;
case 3: paixu();break;
case 4: xianshi();break;
case 5: pingjun();break;
case 6: rate();break;
case 7: tongji();break;
case 8: update();break;
default:break;
}
getch();
menuchoose();
scanf("%d",&aa);
}
}
void in()
{ int i,m=0;char c[2],b[2]="y";
FILE *fp;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!can't open the file,try again.\n");return;}
while(!feof(fp))
{ if(fread(&stu[m] ,LEN,1,fp)==1) m++;}
fclose(fp);
if(m==0) printf("sorry!not any information,please input some.\n");
else printf("hello!there are %d student informations,try again.\n",m);
if((fp=fopen("data.txt","wb"))==NULL)
{ printf("fail to open the file,please try again.\n");return;}
for(i=0;i<m;i++) fwrite(&stu[i] ,LEN,1,fp);
printf("are you sure to add an information?(y/n):");scanf("%s",c) ;
while(strcmp(b,c)==0)
{ printf("%d student number:",m+1);scanf("%d",&stu[m].num);
printf("%d student name:",m+1);scanf("%s",stu[m].name);
printf("%d student classnumber:",m+1);scanf("%d",&stu[m].classnumber);
printf("%d student grade:",m+1);scanf("%d",&stu[m].grade);
printf("%d student department:",m+1);scanf("%s",stu[m].department);
printf("%d student english mark:",m+1);scanf("%lf",&stu[m].score[0]);
printf("%d student maths mark:",m+1);scanf("%lf",&stu[m].score[1]);
printf("%d student chinese mark:",m+1);scanf("%lf",&stu[m].score[2]);
stu[m].score[3]=stu[m].score[0]+stu[m].score[1]+stu[m].score[2];
if(fwrite(&stu[m] ,LEN,1,fp)!=1)
{ printf("%s sorry for save,please input %s information again.\n",stu[m].name); getch(); }
else { printf("%s save successfully.\n",stu[m].name);m++;}
printf("are you sure to input a student information?(y/n):");scanf("%s",c);
}
fclose(fp);
printf("hello!done well.\n");
}
void out()
{ FILE *fp;
int i,m=0;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!not any information mow,please input first.\n");return;}
while(!feof(fp))
{ if(fread(&stu[m] ,LEN,1,fp)==1) m++;}
fclose(fp);
if(m==0) {printf("sorry!not any information mow,please input first.\n");fclose(fp);return;}
if(stu[0].pm==0)
{ printf("\n the information now is):\n\n");
printf("number\tname\tclassnumber\tgrade\tdepartment\tenglish mark\tmaths mark\tchinese mark\tadded mark \t\n");
for(i=0;i<m;i++)
{ printf("%d\t%d\t%s\t%d\t%d\t%s\t%-2.1lf\t",stu[i].pm,stu[i].num,stu[i].name,stu[i].classnumber,stu[i].grade,stu[i].department,stu[i].score[0]);
printf("%-2.1lf\t%-2.1lf\t%-4.1lf\n",stu[i].score[1],stu[i].score[2],stu[i].score[3]);
}
}
else { printf("\n show information:\n\n");
printf("mingci number name\t\t english maths chinese added mark\t\n");
for(i=0;i<m;i++)
{ printf("%d\t%d\t%s\t%d\t%d\t%s\t%-2.1lf\t",stu[i].pm,stu[i].num,stu[i].name,stu[i].classnumber,stu[i].grade,stu[i].department,stu[i].score[0]);
printf("%-2.1lf\t%-2.1lf\t%-4.1lf\n",stu[i].score[1],stu[i].score[2],stu[i].score[3]);
}
}
}
void menuchoose()
{
system("cls");
printf("\n\n\n\n\n");
printf("\t\t~*~*~*~*~*~*~*~*~C mark system~*~*~*~*~*~*~*~*~*~\n");
printf("\t\t2\t 0. quit 2\n");
printf("\t\t0\t 1. input information 0\n");
printf("\t\t0\t 2. show student information 0\n");
printf("\t\t7\t 3. paixu 7\n");
printf("\t\t3\t 4. chazhao delete show 3\n");
printf("\t\t3\t 5. ave mark and show the highest mark 3\n");
printf("\t\t4\t 6. pass rate and good rate 4\n");
printf("\t\t4\t 7. the whole number 4\n");
printf("\t\t \t 8. update \n");
printf("\t\t~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~\n\n");
printf("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t made by gaohan\n" );
printf("\t\t\t choose(0-8):");
}
void paixu()
{ FILE *fp;
struct student a;
int i=0,j=0,m=0;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!not any information,please try after input information.\n");return;}
while(!feof(fp)) if(fread(&stu[m] ,LEN,1,fp)==1) m++;
fclose(fp);
if(m==0) {printf("sorry!not any information?please try after input information.\n");return;}
if((fp=fopen("data.txt","wb"))==NULL)
{ printf("sorry!open the file wrong!\n");return;}
for(i=0;i<m-1;i++)
for(j=0;j<m-1-i;j++)
if(stu[j].score[3]<stu[j+1].score[3])
{ a=stu[j];stu[j]=stu[j+1];stu[j+1]=a;}
for(i=0;i<m;i++) stu[i].pm=i+1;
for(i=0;i<m;i++)
if(fwrite(&stu[i] ,LEN,1,fp)!=1)
{ printf("%s wrong to save.\n",stu[i].name); getch();}
fclose(fp);
printf("paixu and save successful.\n");
}
void xianshi()
{ FILE *fp;
int j,i,m=0;
char c[2],b[2]="s",d[2]="x";
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!no information now,please input.\n");return;}
while(!feof(fp)) if(fread(&stu[m],LEN,1,fp)==1) m++;
fclose(fp);
if(m==0) {printf("sorry!not any student information,please input.\n");return;}
printf("please input the number of the student you want to look：");scanf("%d",&j);
for(i=0;i<m;i++)
if(j==stu[i].num)
{ printf("hello!the student you want has already be fond,do you want to show it or delete its information(s/x):");scanf("%s",c);
if(strcmp(b,c)!=0&&strcmp(d,c)!=0) printf("input wrong.\n");
else if(strcmp(b,c)==0) { delet(m,i);return;}
else if(stu[i].pm==0)
{ printf("the information you want is(haven't paixu):\n\n");
printf("number name\t\t english maths chinese added mark\t\n");
printf("%-8d%-20s%-10.1lf",stu[i].num,stu[i].name,stu[i].score[0]);
printf("%-10.1lf%-10.1lf%-10.1lf\n",stu[i].score[1],stu[i].score[2],stu[i].score[3]);
break;
}
else { printf("the student information you want (has paixu):\n\n");
printf("mingci number name\t\t english maths chinese added mark\t\n");
printf("%-5d%-8d%-20s%-10.1lf",stu[i].pm,stu[i].num,stu[i].name,stu[i].score[0]);
printf("%-10.1lf%-10.1lf%-10.1lf\n",stu[i].score[1],stu[i].score[2],stu[i].score[3]);
break;
}
}
if(i==m) printf("sorry!no information\n");
}
void pingjun()
{ FILE *fp;
int i,m=0;
struct student high,low;
double aver_score=0;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!no student information,please input.\n");return;}
while(!feof(fp)) if(fread(&stu[m],LEN,1,fp)==1) m++;
if(m==0) {printf("sorry!no student information,please input.\n");fclose(fp);return;}
if(m==1) {printf("there is only one student,no highest and lowest,ave mark：%-10.1lf\n",stu[0].score[3]);}
else{ high=stu[0]; low=stu[0];aver_score=stu[0].score[3];
for(i=1;i<m;i++)
{ aver_score+=stu[i].score[3];
if(stu[i].score[3]>high.score[3]) high=stu[i];
else if(stu[i].score[3]<low.score[3]) low=stu[i];
}
high.pm=1; low.pm=m;
printf("the student's information of the highest mark\n");
printf("mingci number name\t\t english maths chinese added mark\t\n");
printf("%-5d%-8d%-20s%-10.1lf",high.pm,high.num,high.name,high.score[0]);
printf("%-10.1lf%-10.1lf%-10.1lf\n",high.score[1],high.score[2],high.score[3]);
printf("\n");
printf("the student's information of the lowest mark:\n\n");
printf("mingci number name\t\t english maths chinese added mark\t\n");
printf("%-5d%-8d%-20s%-10.1lf",low.pm,low.num,low.name,low.score[0]);
printf("%-10.1lf%-10.1lf%-10.1lf\n",low.score[1],low.score[2],low.score[3]);
printf("\n");
printf("the ave mark:%-10.1lf\n",aver_score/m);
}
fclose(fp);
}
void rate()
{ FILE *fp;
int m=0;int i,passcounter=0,goodcounter=0,test;
char x;
double pass,good;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!no student information,please input.\n");return;}
while(!feof(fp)) if(fread(&stu[m],LEN,1,fp)==1) m++;
if(m==0) {printf("sorry!no student information，please input.\n");fclose(fp);return;}
while(1)
{
printf("input course number(1,2,3):");scanf("%d",&test);
for(i=0;i<=m;i++)
{
if(stu[i].score[test-1]<60);
else passcounter++;
if(stu[i].score[test-1]<85);
else goodcounter++;
}
pass=(double)(passcounter/m);
good=(double)(goodcounter/m);
printf("course %d pass rate is %lf",test,pass);
printf("course %d good rate is %lf",test,good);
printf("next scourse (y/n):");
scanf("%s",&x);
if(x=='n')
break;
}
fclose(fp);
}
void tongji()
{ FILE *fp;
int m=0;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!no student information,please input.\n");return;}
while(!feof(fp)) if(fread(&stu[m],LEN,1,fp)==1) m++;
if(m==0) {printf("sorry!no student information，please input.\n");fclose(fp);return;}
printf("hello!there are %d students information.\n",m);
fclose(fp);
}
void delet(int m,int i)
{ FILE *fp;
int j;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("fail to open the file,please try again.\n");return;}
for(j=i;j<m-1;j++)
stu[j]=stu[j+1];
m--;
for(j=0;j<m;j++)
if(fwrite(&stu[j] ,LEN,1,fp)!=1)
{ printf("%s save wrong.\n",stu[j].name); getch();}
fclose(fp);
printf("delete successful.\n");
}
void update()
{
FILE *fp;
int test,m=0,j,i;
char x;
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("sorry!can't open the file,try again.\n");return;}
while(!feof(fp))
{ if(fread(&stu[m] ,LEN,1,fp)==1) m++;}
fclose(fp);
if(m==0) { in();}
else printf("hello!there are %d student informations.\n",m);
if((fp=fopen("data.txt","rb"))==NULL)
{ printf("fail to open the file,please try again.\n");return;}
while(!feof(fp))
{ if(fread(&stu[m] ,LEN,1,fp)==1) m++;}
fclose(fp);
while(1)
{
for(i=0;i<m;i++) fwrite(&stu[i] ,LEN,1,fp);
printf("input student number:");
scanf("%d",&test);
for(j=0;j<m;j++)
{
if(test==stu[j].num)
{
printf("change student name (%s): (y/n)",stu[j].name);scanf("%s",&x);
if(x=='y') scanf("%s",stu[j].name);
printf("change student english mark (%lf): (y/n)",stu[j].score[0]);scanf("%s",&x);
if(x=='y') scanf("%lf",&stu[j].score[0]);
printf("change student maths mark (%lf): (y/n)",stu[j].score[1]);scanf("%s",&x);
if(x=='y') scanf("%lf",&stu[j].score[1]);
printf("change student chinese mark (%lf): (y/n)",stu[j].score[2]);scanf("%s",&x);
if(x=='y')scanf("%lf",&stu[j].score[2]);
stu[m].score[3]=stu[j].score[0]+stu[j].score[1]+stu[j].score[2];
break;
}
}fclose(fp);
printf("continue(y/n):");scanf("%s",&x);
if(x=='n')
break;
}
}
