c++作业-4

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项目5：贪财的富翁

#include <iostream>using namespace std;int main(){    double i(1),sum1(0),sum2(0);    while(i<=30)    {      sum1=sum1+100000;      sum2=2*sum2+0.01;      i++;    }    cout<< "陌生人给富翁"<<sum1<<"元\n"<<"富翁给陌生人"<<sum2<<"元"<<endl;    if(sum1<sum2)    cout<<"富翁亏了";    else    cout<<"富翁赚了";    return 0;}

项目6：输出星号图

#include <iostream>using namespace std;int main(){    int i,j,k,m,n;for(i=1;i<=6;i++)cout<<" ";cout<<"*"<<endl;for(j=1;j<=5;j++){for(k=1;k<=6-j;k++)cout<<" ";cout<<"*";for(m=1;m<=-1+2*j;m++)cout<<" ";cout<<"*";cout<<endl;}for(n=1;n<=13;n++)cout<<"*";cout<<endl;    return 0;}

项目7：百钱百鸡问题

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

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