C++作业5

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项目一、数组分离

#include<iostream>using namespace std;  int main()  {  const int N=5;    double score[N],max,min,aver,i;cout<<"输入小组成绩：";for(i=0;i<N;i++) {cin>>score[i];}max=min=aver=score[0];for( i=1;i<N;i++){aver+=score[i];if(score[i]>max) max=score[i];else if(score[i]<min) min=score[i];}aver=aver/10.0;cout<<max<<" "<<min<<" "<<aver;return 0;}

项目3：成绩

<pre name="code" class="cpp">#include<iostream>using namespace std;  int main()  {  const int N=10;    int score[N],a[N],b[N],max,min,i,m=0,n=0,j=1,k=1;double aver;cout<<"输入小组成绩(0到100)：";for(i=0;i<N;i++) {cin>>score[i];}    max=min=aver=score[0];    for( i=1;i<N;i++){aver+=score[i];    if(score[i]>max) max=score[i];    else if(score[i]<min) min=score[i];}    aver=aver/10.0;    cout<<"max="<<max<<endl;cout<<"min="<<min<<endl;cout<<"aver="<<aver<<endl;for( i=0;i<=N;i++){if(score[i]==max) {m++;cout<<i+1<<" ";}}cout<<"号同学成绩最高"<<endl;for( i=0;i<=N;i++){if(score[i]==min) {n++;cout<<i+1<<" ";}}cout<<"号同学成绩最低"<<endl;cout<<endl;cout<<"考得最高成绩的人数为："<<m<<"人"<<endl;cout<<"考的最低成绩的人数为："<<n<<"人"<<endl;return 0;}

项目4：字符串

<pre name="code" class="cpp">#include<iostream>using namespace std;  int main()  {      char str[50];      int i=0,x=0,y=0,z=0;      cout<<"输入字符串:";      gets(str);      while(str[i]!='\0')      {            if(str[i]>='0'&&str[i]<='9') x++;  else if((str[i]>='a'&&str[i]<='z')||(str[i]>='A'&&str[i]<='Z')) y++;else {z++;}i++;    }      cout<<"其中的数字个数是: "<<x<<"个"<<endl;  cout<<"其中字母的个数是："<<y<<"个"<<endl;cout<<"其他字符的个数是："<<z<<"个"<<endl;    return 0;  }

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