学生成绩管理系统v模板

//成绩管理系统vl.O//能动1302王清栋include<stdio.h>include<stdlib.h>#defineN30defineM6voidInput(1ongnum[],intscore[][M]Jntn,intm);voidTotalave(intscore[][M],intn,intm)；voidevestuTotalave(intscore[][M],intnjntmjongnum[])；voidScoredes(1ongnum[],intscore[][M],intn,intm);voidScoreas(Iongnum。，intscoreintn,intm);voidNumas(longnum[]Jntscore[][M],intnjntm);voidSearch(Iongnum[],intscore[][M],intnjntx,intm)；voidstatistis(Iongnum[],intscore[][M],intn,intm);voidList(longnum[],intscore[][M],intn,intm);intmain()(intn,score[n][M],c,xzm;Iongnum[N]；printf("输入学生人数”);scanf("%d",&n);printf("输入考试科目”);scanf("%d",&m);printf("1.Inputrecord\n")；printf("2.Caculatetotelandaveragescoreofeverycourse\n")；inthigh=n-1,low=0,mid；c=l,pos,o,find=0,i,h,sum[N]J；for(i=0;i<n;i++)(sum[i]=0;for(j=O;j<m;j++)(sum[i]=sum[i]+score))for(i=0;i<n；i++)(k=i;for(j=i+1；j<n；j++)(if(num[j]<num[k])k寸)if(i!=k)(h=num[k],o=sum[k]；num[k]=num[i],sum[k]=sum[i];num[i]=h,sum[i]=o;t[l]=score[k][l]；score[k][l]=score[i][l]；

score[i][l]=t[l];)))while(find==O&&1ow<=high)(mid=(high+low)/2;if(x>num[mid])low=mid+l;elseif(x<num[mid])high=mid-1;else(pos=mid;find=l;))ifffind==0)printf("notfind\n");elseif(sum[i]>sum[pos])C++；)printf("ID：%10Id\n",num[pos]);〃以长整形打印用％ldfor(j=0;j<m；j++)printf("project%dscore：%d\n",j+1,score[pos][j]);printf("aIIscore：%d,order：%d\n",sum[pos],c);))voidstatistis(1ongnum[],intscoreintn,intm)//8.(inta=0,b=0,c=0,d=0,e=0,i,j;doubleA,B,C,D,E;for(j=0;j<m;j++)(for(i=0;i<n;i++)(if(score[i][j]>=90)a++;elseif(score[i][j]>=80)b++;elseif(score[i][j]>=70)c++;elseif(score[i][j]>=60)d++;elsee++；)A=(double)a/n*100：B=(double)b/n*100;C=(double)c/n*100：D=(double)d/n*100；E=(doub1e)e/n*100;printf("project%d\n",j+l);Printf("优秀人数%d，比例:%f%%\n",a,A);printf("良好人数%d,比例:％f%%\n",b,B)；printf("中档人数％d,比例:％f%%\n”,c,C);P门ntf("及格人数%d,比例:％f%%\n”，d,D)；printf("不及格人数％<1,比例:％f%%\n”，e,E)；))voidList(longnum口，intscore[][M],intn,intm)(inti,jfsum[N]；doubleave[N];for(i=0;i<n;i++)(sum[i]=0;for(j=0;j<m;j++)sum[i]=sum[i]+scoreave[i]=(doubIe)sum[i]/m;for(i=0;i<n；i++)printf("ID:%101d\n",num[i]);for(j=0;j<m;j++)(printf('*score：%d\n",score[i][j]);)printf("总分=%d\n平均分％f\nave[i]);printf("3.Caculatetotelandaveragescoreofeverystudent\n");printf("4.Sortindescendingorderbytotalscoreofeverystudent\n")；printf("5.Sortinascendingorderbytotaiscoreofeverystudent\n")；printf("6.Sortinascendingorderbynumber\n");printf("7.Searchbynumber\n");printf("8.Statisticanalysisforeverycourse\n");printf("9.Listrecord\n");printf("O.Exit\n");printf("PIeaseenteryourchoice:\n");printf("\n"for(;;)(scanf("%d",&c);switch(c)(case1:〃录入学生学号和各科成绩Input(num,score,n,m);printf('*Pleaseenteryourchoice:\n");break;case2：〃计算每门课程的总分和平均分Totaiave(score,n,m)；printf("P1easeenteryourchoice：\n");break；

case3：〃计算每个学生的总分和平均分case3：〃计算每个学生的总分和平均分break；case4：〃按每个学生口勺总分由高到低排出名次表Scoredes(num,scoreznzm)；printf("PIeaseenteryourchoice:\n");break;//按每个学生的总分由低到高排出名次表Scoreas(num,scorprintf(nP1easeenteryourchoice：\n")；break；〃按学号由小到大排出名次表Numas(num,score,n,m);printf("Pleaseenteryourchoice：\n")；break;case7：〃按学号查询学生排名及其各科成绩pri111仙”请输入查找学号\11")；scanf("%d",&x)；Search(num,score,n,x,m)；printf('*Pleaseenteryourchoice：\nn);break;case8：〃成绩分析所占比例statistis(num,scorezn,m)；printf("PIeaseenteryourchoice:\n");break;case9：//所有输出List(num,score,n,m)；TotaIave(score,n,m);printf("PIeaseenteryourchoice：\n");break;case0:exit(0);})return0;)voidInput(Iongnum[]zintscore[][M]Jntn,intm)//I(inti,j;for(i=0;i<n；i++)(printff'lnputstudent'sIDandscore");seanf("%ld",&num[i]);for(j=O；j<m；j++)seanf("%d"^score[i][j])；//2//2.计算每门课程的总分和平：均分//2.计算每门课程的总分和平：均分//2.计算每门课程的总分和平：均分intizj,sumLM];doubleave[M]；for(j=0;j<m;j++)(sum[j]=0；for(i=0；i<n;i++)(sum[j]=sum[j]+score[i][j]；)ave[j]=(double)sum[j]/n;)for(i=0;i<m;i++)printf("科目％(1的总分=%d,课程的J平均分=%f\rT,i+1,sum[i],ave[i]);)voidevestuTotalave(intscore[][M],intnjntm,longnum[])//3.计算每个学生的总分和平均分(intij,sum[N];doubleave[N];for(i=0;i<n;i++)(sum[i]=0；for(j=0；j<m;j++)sum[i]=sum[i]+score[i][j]；)ave[i]=(double)sum[i]/m；)for(i=0;i<n;i++)printf("学号为％1d的总分=%d,其平均分=%八n",num[i],sum[i],ave[i])；)voidScoredes(longnum[],intscore[][M],intn,intm)//4.按每个学生的总分由高到低排出名次表(int\,j,k,t,h,sum[N];for(i=0;i<n;i++)(sum[i]=0；for(j=0；j<m;j++)(sum[i]=sum[i]+score[i][j];))for(i=0;i<n；i++)(k=i;for(j=i+1；j<n;j++)(if(sum[j]>sum[k])k=j；if(i!=k){t=sum[k],h=num[k];sum[止sum[i],num[k]=num[i]；sum[i]=t,num[i]=h;))for(i=0;i<n；i++)printf("ID:%1Old,score:%d\n"znum[i],sum[i])；//以长整形打印用％1d)voidScoreas(longnum[],intscore[][m],intn,intm)//5.按每个学生的总分由di到gao排出名次表{inti,j,k,t,h,sum[N]；for(i=0;i<n;i++)(sum[i]=0;for(j=0;j<m;j++){sum[i]=sum[i]+score[i][j];)for(i=0；i<n;i++)k=i;for(j=i+1；j<n;j++)if(sum[j]<sum[k])k=j;)if(i!=k)(t=sum[k],h=num[k];sum[k]=sum[i],num[k]=nsum[i]=t,num[