C++作业-4

来源：互联网发布：手机淘宝申诉入口编辑：程序博客网时间：2024/06/02 01:40

项目三：乘法口诀表

#include<iostream>  using namespace std;  int main()  {      int i,j;      cout<<"***九九乘法口诀表***"<<endl;      for(i=1;i<=9;i++)      {                 for(j=1;j<=i;j++)              cout<<j<<"*"<<i<<"="<<j*i<<"\t";          cout<<endl;      }          return 0;  }

项目六：输出星号图

<pre class="cpp" name="code">#include <iostream>  using namespace std;  int main()  {      int i,k,n=6;      for(i=1; i<=n-1; i=i+1)          cout<<" ";      cout<<"*"<<endl;      for(i=2;i<=n-1;i=i+1)      {          for(k=1; k<=n-i; k=k+1)              cout<<" ";          cout<<"*";          for(k=1; k<=2*i-3; k=k+1)              cout<<" ";          cout<<"*"<<endl;      }      for(i=1; i<=2*n-1; i=i+1)          cout<<"*";      return 0;  }

项目七：穷举法解决百钱百鸡问题

#include<iostream>       using namespace std;      int main()    {          int i,j;      double k;      for (i=0;i<=20;i++)          for (j=0;j<=33;j++)              for (k=0;k<100;k++)          if (5*i+3*j+k/3==100 && i+j+k==100)                 cout<<"鸡翁"<<i<<"只,"<<"鸡母"<<j<<"只,"<<"鸡雏"<<k<<"只。"<<endl;             return 0;      }

0 0