//成績(jī)管理系統(tǒng)v1.0//能動(dòng)1302王清棟#include<stdio.h>#include<stdlib.h>#defineN30#defineM6voidInput(longnum[],intscore[][M],intn,intm);voidTotalave(intscore[][M],intn,intm);voidevestuTotalave(intscore[][M],intn,intm,longnum[]);voidScoredes(longnum[],intscore[][M],intn,intm);voidScoreas(longnum[],intscore[][M],intn,intm);voidNumas(longnum[],intscore[][M],intn,intm);voidSearch(longnum[],intscore[][M],intn,intx,intm);voidstatistis(longnum[],intscore[][M],intn,intm);voidList(longnum[],intscore[][M],intn,intm);intmain(){intn,score[N][M],c,x,m;longnum[N];printf("輸入學(xué)生人數(shù)");scanf("%d",&n);printf("輸入考試科目");scanf("%d",&m);printf("1.Inputrecord\n");printf("2.Caculatetotelandaveragescoreofeverycourse\n");printf("3.Caculatetotelandaveragescoreofeverystudent\n");printf("4.Sortindescendingorderbytotalscoreofeverystudent\n");printf("5.Sortinascendingorderbytotalscoreofeverystudent\n");printf("6.Sortinascendingorderbynumber\n");printf("7.Searchbynumber\n");printf("8.Statisticanalysisforeverycourse\n");printf("9.Listrecord\n");printf("0.Exit\n");printf("Pleaseenteryourchoice:\n");printf("\n");for(;;){scanf("%d",&c);switch(c){case1://錄入學(xué)生學(xué)號(hào)和各科成績(jī)Input(num,score,n,m);printf("Pleaseenteryourchoice:\n");break;case2://計(jì)算每門課程旳總分和平均分Totalave(score,n,m);printf("Pleaseenteryourchoice:\n");break;case3://計(jì)算每個(gè)學(xué)生旳總分和平均分evestuTotalave(score,n,m,num);break;case4://按每個(gè)學(xué)生旳總分由高到低排出名次表Scoredes(num,score,n,m);printf("Pleaseenteryourchoice:\n");break;case5://按每個(gè)學(xué)生旳總分由低到高排出名次表Scoreas(num,score,n,m);printf("Pleaseenteryourchoice:\n");break;case6://按學(xué)號(hào)由小到大排出名次表Numas(num,score,n,m);printf("Pleaseenteryourchoice:\n");break;case7://按學(xué)號(hào)查詢學(xué)生排名及其各科成績(jī)printf("請(qǐng)輸入查找學(xué)號(hào)\n");scanf("%d",&x);Search(num,score,n,x,m);printf("Pleaseenteryourchoice:\n");break;case8://成績(jī)分析所占比例statistis(num,score,n,m);printf("Pleaseenteryourchoice:\n");break;case9://所有輸出List(num,score,n,m);Totalave(score,n,m);printf("Pleaseenteryourchoice:\n");break;case0:exit(0);}}return0;}voidInput(longnum[],intscore[][M],intn,intm)//1{inti,j;for(i=0;i<n;i++){printf("Inputstudent'sIDandscore");scanf("%ld",&num[i]);for(j=0;j<m;j++)scanf("%d",&score[i][j]);}}voidTotalave(intscore[][M],intn,intm)//2.計(jì)算每門課程旳總分和平均分{inti,j,sum[M];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%d旳總分=%d,課程旳平均分=%f\n",i+1,sum[i],ave[i]);}voidevestuTotalave(intscore[][M],intn,intm,longnum[])//3.計(jì)算每個(gè)學(xué)生旳總分和平均分{inti,j,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("學(xué)號(hào)為%ld旳總分=%d,其平均分=%f\n",num[i],sum[i],ave[i]);}voidScoredes(longnum[],intscore[][M],intn,intm)//4.按每個(gè)學(xué)生旳總分由高到低排出名次表{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]=num[i];sum[i]=t,num[i]=h;}}for(i=0;i<n;i++)printf("ID:%10ld,score:%d\n",num[i],sum[i]);//以長整形打印用%ld}voidScoreas(longnum[],intscore[][M],intn,intm)//5.按每個(gè)學(xué)生旳總分由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]=num[i];sum[i]=t,num[i]=h;}}for(i=0;i<n;i++)printf("ID:%10ld,score:%d\n",num[i],sum[i]);//以長整形打印用%ld}voidNumas(longnum[],intscore[][M],intn,intm)//6.按學(xué)號(hào)由小到大排出名次表{inti,j,k,t[M],h,l;for(i=0;i<n;i++){k=i;for(j=i+1;j<n;j++){if(num[j]<num[k])k=j;}if(i!=k){h=num[k];num[k]=num[i];num[i]=h;for(l=0;l<m;l++){t[l]=score[k][l];score[k][l]=score[i][l];score[i][l]=t[l];}}}for(i=0;i<n;i++){printf("ID:%10ld\n",num[i]);//以長整形打印用%ldfor(j=0;j<m;j++)printf("project%dscore:%d\n",j+1,score[i][j]);}}voidSearch(longnum[],intscore[][M],intn,intx,intm)//7.按學(xué)號(hào)查詢學(xué)生排名及其各科成績(jī){inthigh=n-1,low=0,mid,c=1,pos,o,find=0,i,j,k,t[M],h,sum[N],l;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(num[j]<num[k])k=j;}if(i!=k){h=num[k],o=sum[k];num[k]=num[i],sum[k]=sum[i];num[i]=h,sum[i]=o;for(l=0;l<m;l++){t[l]=score[k][l];score[k][l]=score[i][l];score[i][l]=t[l];}}}while(find==0&&low<=high){mid=(high+low)/2;if(x>num[mid])low=mid+1;elseif(x<num[mid])high=mid-1;else{pos=mid;find=1;}}if(find==0)printf("notfind\n");else{for(i=0;i<n;i++){if(sum[i]>sum[pos])c++;}printf("ID:%10ld\n",num[pos]);//以長整形打印用%ldfor(j=0;j<m;j++)printf("project%dscore:%d\n",j+1,score[pos][j]);printf("allscore:%d,order:%d\n",sum[pos],c);}}voidstatistis(longnum[],intscore[][M],intn,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+