第五周作业

来源：互联网发布：颠覆大数据分析编辑：程序博客网时间：2024/06/05 21:00

# include <iostream>using namespace std;int main(){   int a[10];   int i;   for(i=0;i<10;i++)   a[i]=i*2+2;   for(i=0;i<10;i++)   {      cout<<a[i]<<'\t';  if((i+1)%5==0)  cout<<endl;   }   return 0;}

#include <iostream>    using namespace std;    int main()  {      int i,math[40],n;      float aver = 0.0;      int unpassedcount = 0;      int highscorecount =0;      cout << "请输入学生人数: ";      cin >> n;      cout << "请输入成绩: ";      for(i=0;i<n;i++)      {          cin >> math[i];          if(math[i]>100||math[i]<0)          {              cout <<"请输入0到100：";              i--;              continue;          }          aver+=math[i];      }      aver/=n;      for(i=0;i<n;i++)      {          if(math[i]<60)unpassedcount++;          if(math[i]>=90)highscorecount++;      }      cout << "平均分为："<<aver<<endl;      cout <<"90分以上人数为："<<highscorecount<<endl;      cout << "不及格人数为："<< unpassedcount<<endl;      return 0;  }

#include <iostream>#include <iomanip>using namespace std;int main(){    int a[10],i,big;    cout <<"please input 10 numbers:\n";    for(i=0;i<10;i++)        cin>>a[i];        cout << setw(4)<<a[i];    cout <<endl;    big = a[0];    for(i=1;i<10;i++)        if(a[i]>big)        big=a[i];    cout <<"the big number is: "<<big<<endl;    return 0;}

#include <iostream>#include <iomanip>using namespace std;int main(){    int a[10];    int i,j,t;    cout << "please input 10 number: \n";    for (i=0;i<10;i++)        cin >> a[i];    cout << "the number are: ";    for (i=0;i<10;i++)        cout <<setw(4)<<a[i];    cout << endl;    for(i=0;i<9;i++)        for(j=0;j<9;j++)        if(a[j]>a[j+1])    {        t=a[j];a[j]=a[j+1];a[j+1]=t;    }    cout << "the sorted numbers are : ";    for (i=0;i<10;i++)        cout <<setw(4)<<a[i];    cout <<endl;    return 0;}

#include <iostream>#include <iomanip>using namespace std;int main(){    int i;    int j;    int a[5][5];    for(i=0;i<5;i++)    {        for(j=0;j<5;j++)        {            if(i%2==0)                a[i][j]=i*5+j+1;            else                a[i][4-j]=i*5+j+1;        }    }    for(i=0;i<5;i++)    {        for(j=0;j<5;j++)            cout << setw(4)<<a[i][j];        cout << endl;    }    return 0;}

#include <iostream>using namespace std;int main(){    char str[50];    cout<<"Please input strings: ";    cinget(str.50);    cout << "The string is: ";    cout << str << endl;    return 0;}

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