#include "stdlib.h"//包含random函數的聲明#include <vector>#include <fstream>#include <iostream>using namespace std;void stat_diff(vector<int>& array, int *c){	int i;	for (i = 0;i<array.size();++i)c[i] = 0;//初始化統計結果為0	for (i = 0;i<array.size();++i)c[array[i]]++;//統計array[i]值的個數}int main(){	vector<int> data;	ifstream in("e://data.txt");	if (!in)	{		cout << "file error!" << endl;		exit(1);	}	int temp;	while (!in.eof())	{		in >> temp;		data.push_back(temp);	}	in.close();	int c[65536] = { 0 };	stat_diff(data, c);	int k = 0;	for (int i = 0;i<65536;++i)//統計0~65535之間不同值的個數		if (c[i] != 0)k++;	cout << k << endl;	return 0;}