迅雷笔试题 C++

//第一题：

	#include "stdio.h"


	#include "math.h"


	#include <iostream>


	using namespace std;


	int main()


	{


	int N = 0,C=0;


	cin >> N;


	for(int j=N;j>2;j--)


	for(int k=j-1;k>1;k--)


	for (int l = k - 1; l > 0; l--)


	{


	if (pow(k, 2) + pow(l, 2) == pow(j, 2))


	{


	int flag = 1;


	//cout << j <<" "<< k<<" " << l<<endl;


	for (int p = 2; p < l; p++)


	if ((l%p == 0 && k%p == 0)||(j%p == 0 && l%p == 0))


	flag=0;


	for (int p = 2; p < k; p++)


	if (j%p == 0 && k%p == 0)


	flag = 0;


	if(flag)


	C++;


	}


	}


	cout << C;


	system("pause");


	return 0;


	}


	



	//第二题：


	#include "stdio.h"


	#include "math.h"


	#include <iostream>


	using namespace std;


	int main()


	{


	int m = 0, n = 0,a,b;


	cin >> a>>b;


	int re;int flag = 1,flag2;


	for (int i = 16; i >0 ; i--)


	{


	for (int k = i; k > 0; k--)


	{


	cout << k << " " << 17-k << endl;


	flag = 1;


	for (int j = 1; j <= k&&j<7; j++)


	{


	if (j*a + (7 - j)*b >= 0|| k*a + b*(17 - k)>=0)


	{


	flag = 0;


	break;


	}


	}


	//cout << flag;


	if (flag == 1)


	{


	m = k;


	n = 17 - k;


	break;


	}


	}


	//cout << m << " " <<n << endl;


	re = m*a + b*n;


	//cout << re << endl;


	break;


	}


	cout << re;


	system("pause");


	return 0;


	}