C++作业5

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项目1：数组分离

#include <iostream>  using namespace std;  int main()  {       int a[5],b[5],c[5],d=0,e=0,i,j;for(i=0;i<5;i++) cin>>a[i];      for(j=0;j<5;j++){if(a[j]%2==0) {   b[d]=a[j];d++;}else{  c[e]=a[j];e++;}}    for(i=0;i<d;i++)        cout<<b[i]<<"   ";cout<<"\n";for(i=0;i<e;i++)cout<<c[i]<<"   ";cout<<"\n";    cout<<endl;      return 0;  }

项目3：成绩

#include<iostream>using namespace std;  int main()  {       int i,a,score[20],b=0,c,d,x=0,y=0;int j[10],k[10];cout<<"请输入人数：";cin>>a;cout<<"请输入成绩："<<endl;for(i=1;i<=10;i++)cin>>score[i];c=d=score[1];for(i=1;i<=10;i++)if(score[i]>d)d=score[i];for(i=1;i<=10;i++){if(score[i]<c)c=score[i];}for(i=1;i<=10;i++)b=b+score[i];for(i=1;i<=10;i++)if(score[i]==d){j[x]=i;x++;}for(i=1;i<=10;i++)if(score[i]==c){k[y]=i;y++;}cout<<"最高分为"<<d<<","<<"最低分为"<<c<<","<<"平均分为"<<b/10<<","<<endl;cout<<"考最高分的人数为"<<x<<","<<"考最低分的人数为"<<y;cout<<"\n";cout<<"考最高分的人的学号为";for(i=0;i<x;i++)cout<<j[i]<<",";cout<<"考最低分的人的学号为";for(i=0;i<y;i++)cout<<k[i]<<",";cout<<endl;return 0;  }

项目4：字符串

#include<cstdio>    using namespace std;  int main()  {      char str[50];      int a=0,b=0,c=0,d=0,i=0;      cout<<"输入字符串:";      gets(str);      while(str[i]!='\0')      {            if(str[i]>='0'&&str[i]<='9')          a++;else if(str[i]>='a'&&str[i]<='z')b++;else if(str[i]>='A'&&str[i]<='Z')c++;elsed++;        i++;    }      cout<<"其中的数字个数是: "<<a<<"个,"<<"小写字母有"<<b<<"个,"<<"大写字母有"<<c<<"个,"<<"其他字母有"<<d<<"个,"<<endl;      return 0;}

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