//成绩管理系统 v3.0 // 能动 1302 王清栋 1306030217#include #include #include 〈string。h〉#define N 30void Input (long num[],int score[],intn,char name[][10]);void Totalave (int score[],int n);void Scoredes (long num[],int score[],intn,char name[][10]);void Scoreas (long num[],int score[],intn,char name[][10]);void Numas (long num[],int score[],intn,char name[][10]);void Nameorder(long num[],int score[],intn,char name[][10]) ;void Searchbyno (long num[],int score[],intn,intx,char name[][10]);void Searchbyname(long num[],int score[],intn,char c[],char name[][10]);void statistis (int score[],int n);void List (long num[],int score[],intn,char name[][10]);int main() {intn,score[N],c,x; long num[N]; char name[N][10]; char y[10];printf(”输入学生人数");scanf("%d”,&n); // getchar();printf(”1。Input record\n");printf(”2。Caculate totel and average score of every course\n");printf(”3.Sort in descending order by score\n");printf(”4。Sort in ascending order by score \n”);printf("5。Sort in ascending order by number\n”);printf(”6.Sort in dictionary order by name\n”);printf(”7.Search by number\n”);printf(”8.search by name\n”);printf(”9。Statistic analysis\n”);printf("10。List record\n”);printf(”0。Exit\n”);printf("Please enter your choice:\n”);printf("\n”); for(;;) {scanf(”%d",&c); switch(c) { case 1: //录入学生学号和各科成绩 Input (num,score,n,name);printf(”Please enter your choice:\n”); break; case 2: //计算每门课程的总分和平均分Totalave (score,n);printf(”Please enter your choice:\n”); break; case 3: //按 chengji 由高到低排出名次表Scoredes (num,score,n,name);printf(”Please enter your choice:\n"); break; case 4: //按 chengji 由低到高排出名次表Scoreas (...