排序功能实现不了，功力不深，可不可以帮忙指点一下？
#include <stdio.h>
#include<string.h>
typedef struct student
{
long studentID;
char studentname[10];
char studentsex;
int studentage;
int score[6];
int studentsum;
}STUDENT;
int main(void)
{
void InputScore(STUDENT stu[],int n,int m);
void TallSort(STUDENT stu[],int n,int m);
void NumberSearch(STUDENT stu[],int n,int m);
void PrintScore(STUDENT stu[],int n,int m);
STUDENT stu[30];
int n,m,x;
int coursesum[30];
printf("How many student?\n");
scanf("%d",&n);
printf("How many subject?\n");
scanf("%d",&m);
do{
printf("1.录入学生信息\n");
printf("2.按科目总分排名\n");
printf("3.按学号查询学生信息\n");
printf("4.学生信息修改\n");
printf("5.学生信息删除\n");
printf("6.List record\n");
printf("0.Exit\nPlease enter your choice:");
scanf("%d",&x); getchar();
switch(x)
{
case 0:
return 0;
case 1:
InputScore(stu,n,m);
break;
case 2:
TallSort(stu,n,m);
break;
case 3:
NumberSearch(stu,n,m);
break;
case 6:
PrintScore(stu,n,m);
}
}while(1);
}
/*------------录入学生信息子程序------------*/
void InputScore(STUDENT stu[],int n,int m)
{
int i,j;
for (i = 0;i < n;i++)
{
stu[i].studentsum = 0;
printf("录入学生信息 %d:\n",i+1);
scanf("%ld",&stu[i].studentID);
getchar();
scanf("%s",&stu[i].studentname);
scanf("%s",&stu[i].studentsex);
scanf("%s",&stu[i].studentage);
for(j = 0;j < m;j++)
{
scanf("%d",&stu[i].score[j]);
stu[i].studentsum = stu[i].studentsum + stu[i].score[j];
}
}
}
void StudentScore(STUDENT stu[],float studentaver[],int n, int m)
{
int i,j;
for(i = 0;i < n;i++)
{
stu[i].studentsum ;
printf("%s's sum is %d\n",stu[i].studentname,stu[i].studentsum);
}
}
/*------------按科目总分排序子程序------------*/
void TallSort(STUDENT stu[],int n,int m)
{
int i,j;
STUDENT temp;
for(i = 0;i < n-1;i++)
{
for(j = i+1;j < n;j++)
{
if(stu[i].studentsum < stu[j].studentsum)
{
temp = stu[j];
stu[j] = stu[i];
stu[i] = temp;
}
}
}
for(i = 0;i < n;i++)
{
printf("%4d%4d%8s%8s%4d%4d\n",i+1, stu[i].studentID,stu[i].studentname,stu[i].studentsex,stu[i].studentage,stu[i].studentsum);
}
}
/*------------按学号查询子程序------------*/
void NumberSearch(STUDENT stu[],int n,int m)
{
int pos;
long a;
printf("Input the searching ID:");
scanf("%ld",&a);
pos = Search1(stu,a,n,m);
if(pos != -1){
//return 0;
}else{
printf("no found\n");
}
}
int Search1(STUDENT stu[],long a,int n,int m)
{
int i,j;
STUDENT temp;
for(i = 0;i < n-1;i++)
{
for(j = i+1;j < n;j++)
{
if(stu[i].studentsum < stu[j].studentsum)
{
temp = stu[j];
stu[j] = stu[i];
stu[i] = temp;
}
}
}
for(i = 0;i < n;i++)
{
if(stu[i].studentID == a){
printf("name = %d,ID = %d,sex = %s,age = %d,score = %d,rank = %d\n",stu[i].studentID,stu[i].studentname,stu[i].studentsex,stu[i].studentage,stu[i].studentsum,i+1);
return 1;
}
}
return -1;
}
/*------------打印成绩子程序------------*/
void PrintScore(STUDENT stu[],int n,int m)
{
int i,j;
for(i = 0;i < n;i++)
{
printf("%10d%8s",stu[i].studentID,stu[i].studentname);
for(j = 0;j < m;j++)
{
printf("%4d",stu[i].score[j]);
}
printf(" sum is %d\n",stu[i].studentsum);
}
}
慕粉16421511143回答
-
慕粉1642151114
在线等，急！！！
随时随地看视频慕课网APP
C
C++