#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.錄入學(xué)生信息\n");? ? printf("2.按科目總分排名\n");? ? printf("3.按學(xué)號查詢學(xué)生信息\n");? ? printf("4.學(xué)生信息修改\n"); printf("5.學(xué)生信息刪除\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);}/*------------錄入學(xué)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("錄入學(xué)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);? ? }}/*------------按科目總分排序子程序------------*/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);? ? }}/*------------按學(xué)號查詢子程序------------*/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;}/*------------打印成績子程序------------*/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);? ? }}