作业-4

来源：互联网发布：可以在家干的工作知乎编辑：程序博客网时间：2024/06/06 05:45

#include <iostream>using namespace std;int main(){ int x,y,count=0; double z;    cout<<"公鸡、母鸡、雏鸡购买方案:"<<endl;    for(x=0;x<=20;x++)        for(y=0;y<=33;y++)           for(z=0;z<=100;z++)    if(x*5+3*y+z/3==100&&x+y+z==100)    {     ++count;      cout<<count<<"公鸡："<<x<<"母鸡："<<y<<"雏鸡："<<z<<endl;    } return 0;}

#include<iostream>using namespace std;int main(){int i,j;cout<<"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;}return 0;}

#include <iostream>using namespace std;int main(){    int i,j,z,n;    for(i=0;i<=3;i++)        for(j=0;j<=3;j++)        for(z=0;z<=6;z++)        if(i+j+z==8)    {        ++n;        cout<<"红球有"<<i<<"个"<<"白球有"<<j<<"个"<<"黑球有"<<z<<"个"<<endl;    }    return 0;}

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