举例算法

STAR

[C++] 纯文本查看 复制代码

#include<bits/stdc++.h>
using namespace std;
int n,t=0,y;
int main()
{
	cin>>n;
	for(int x=1;x<=n/2;x=x+2)
	{
		t++;
		y=n-2*x;
		if(y%2==0)
		{
			if(y=int(y))
			{
				cout<<x<<" "<<y<<endl;
			}
		}
	}
	cout<<t;
	return 0;
}

STAR

[C++] 纯文本查看 复制代码

#include<bits/stdc++.h>
using namespace std;
int a,t=0,y,flag=0;
int main()
{
	cin>>a;
	for(int x=a/2;x>=0;x--)
	{
		t++;
		y=(a-x*2)/4;
		if(2*x+4*y==a)
		{
			cout<<x<<" "<<y<<endl;
			flag=1;
		}
	}
	if(flag==0)
	{
		cout<<"error"<<endl;
	}
	cout<<t;
	return 0;
}

STAR

[C++] 纯文本查看 复制代码

#include<bits/stdc++.h>
using namespace std;
int x,y,z,t;
int main()
{
	for(x=0;x<=100/5;x++)
	{
		for(y=0;y<=100/3;y++)
		{
			for(z=0;z<=100*3;z++)
			{
				t++;
				if(x+y+z==100&&5*x+3*y+z/3.0==100)
				{
					cout<<x<<" "<<y<<" "<<z<<endl;
				}
			}
		}
	}
	cout<<t;
	return 0;
}