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1、学习 -好资料/ 成绩管理系统 v1.0/能动 1302 王清栋1306030217#include #include #define N 30#define M 6void Input (long num,int scoreM,int n,int m);void Totalave (int scoreM,int n,int m);void evestuTotalave (int scoreM,int n,int m,long num);void Scoredes (long num,int scoreM,int n,int m);void Scoreas (long num,int scor
2、eM,int n,int m);void Numas (long num,int scoreM,int n,int m);void Search (long num,int scoreM,int n,int x,int m);void statistis (long num,int scoreM,int n,int m);void List (long num,int scoreM,int n,int m);int main()int n,scoreNM,c,x,m;long numN;printf( 输入学生人数);scanf(%d,&n);printf( 输入考试科目 );scanf(%d
3、,&m);printf(1.Input recordn);printf(2.Caculate totel and average score of every coursen); printf(3.Caculate totel and average score of every studentn); printf(4.Sort in descending order by total score of every studentn); printf(5.Sort in ascending order by total score of every studentn); printf(6.So
4、rt in ascending order by numbern); printf(7.Search by numbern);printf(8.Statistic analysis for every coursen);printf(9.List recordn);printf(0.Exitn);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,m);printf(Please enter your choice:n);b
5、reak;更多精品文档学习 -好资料case 2:/ 计算每门课程的总分和平均分Totalave (score,n,m);printf(Please enter your choice:n);break;case 3:/ 计算每个学生的总分和平均分evestuTotalave (score,n,m,num);break;case 4:/ 按每个学生的总分由高到低排出名次表Scoredes (num,score,n,m);printf(Please enter your choice:n);break;case 5:/ 按每个学生的总分由低到高排出名次表Scoreas (num,score,n,
6、m);printf(Please enter your choice:n);break;case 6:/ 按学号由小到大排出名次表Numas (num,score,n,m);printf(Please enter your choice:n);break;case 7:/ 按学号查询学生排名及其各科成绩printf( 请输入查找学号n);scanf(%d,&x);Search (num,score,n,x,m);printf(Please enter your choice:n);break;case 8:/ 成绩分析所占百分比statistis (num,score,n,m);printf(
7、Please enter your choice:n);break;case 9:/ 全部输出List (num,score,n,m);Totalave (score,n,m);printf(Please enter your choice:n);break;case 0:exit(0);return 0;void Input (long num,int scoreM,int n,int m)/1int i,j;for(i=0;in;i+)更多精品文档学习 -好资料printf(Input students ID and score);scanf(%ld,&numi);for(j=0;jm;j
8、+)scanf(%d,&scoreij);void Totalave (int scoreM,int n,int m)/2. 计算每门课程的总分和平均分int i,j,sumM;double aveM;for(j=0;jm;j+)sumj=0;for(i=0;in;i+)sumj=sumj+scoreij;avej=(double)sumj/n;for(i=0;im;i+)printf( 科目 %d 的总分 =%d,课程的平均分=%fn,i+1,sumi,avei);void evestuTotalave (int scoreM,int n,int m,long num)/3. 计算每个学生的
9、总分和平均分int i,j,sumN;double aveN;for(i=0;in;i+)sumi=0;for(j=0;jm;j+)sumi=sumi+scoreij;avei=(double)sumi/m;for(i=0;in;i+)printf( 学号为 %ld 的总分 =%d,其平均分 =%fn,numi,sumi,avei);void Scoredes (long num,intscoreM,intn,int m)/4. 按每个学生的总分由高到低排出名次表int i,j,k,t,h,sumN;更多精品文档学习 -好资料for(i=0;in;i+)sumi=0;for(j=0;jm;j+
10、)sumi=sumi+scoreij;for(i=0;in;i+)k=i;for(j=i+1;jsumk)k=j;if(i!=k)t=sumk,h=numk;sumk=sumi,numk=numi;sumi=t,numi=h;for(i=0;in;i+)printf(ID:%10ld,score:%dn,numi,sumi);/以长整形打印用%ldvoid Scoreas (long num,int scoreM,int n,int m) /5. 按每个学生的总分由 di 到 gao 排出名次表int i,j,k,t,h,sumN;for(i=0;in;i+)sumi=0;for(j=0;jm
11、;j+)sumi=sumi+scoreij;for(i=0;in;i+)k=i;for(j=i+1;jn;j+)if (sumjsumk)更多精品文档学习 -好资料k=j;if(i!=k)t=sumk,h=numk;sumk=sumi,numk=numi;sumi=t,numi=h;for(i=0;in;i+)printf(ID:%10ld,score:%dn,numi,sumi);/以长整形打印用%ldvoid Numas (long num,int scoreM,int n,int m)/6. 按学号由小到大排出名次表int i,j,k,tM,h,l;for(i=0;in;i+)k=i;for(j=i+1;jn;j+)if (numjnumk)k=j;if(i!=k)h=numk;numk=numi;numi=h;for(l=0;lm;l+)tl=scorekl;scorekl=scoreil;scoreil=tl;for(i=0;in;i+)printf(ID:%10ldn,numi);/以长整形打印用%ldfor(j=0;jm;j+)printf(project %d score:%dn,j+1,scorei
