华为机试程序

#include <iostream>
#include <vector>
#include<string>
#include<sstream>
using namespace std;


int Num(vector<string>& res, int& arraySize)
{
	int countFirst = 0;
	int countSecond = 0;
	
	if (2 == res.size())					//两个情况
	{
		if (res[0] == "char")
		{
			countFirst = 1;
			cout << res[0] << endl;
		}
		else if (res[0] == "short")
			countFirst = 2;
		else if (res[0] == "int" || res[0] == "long")
			countFirst = 4;

		string arrayInput = res[1];
		const char* arrs = arrayInput.c_str();
		if (arrs[0] == '*')
		{
			cout << "pointer" << endl;
			arraySize = 4;
			countFirst = 1;
		}
		else
		{
			//取出两个字符之间的字符串
			string strSize = arrayInput.substr(arrayInput.find("[") + 1, arrayInput.find("]") - arrayInput.find("[") - 1);
			//arraySize = atoi(strSize.c_str());
			stringstream stream(strSize);
			stream >> arraySize;

			//实现小数点前后数据的分隔
			float test;
			stream >> test;
			cout << test << endl;
			float book = test + arraySize;
			cout << book << endl;
		}

		return countFirst;
	}
	else if (3 == res.size())			//三个的情况 
	{
		if (res[1] == "char")
			countSecond = 1;
		if (res[1] == "short")
			countSecond = 2;	
		if (res[1] == "int" || res[1] == "long")
			countSecond = 4;

		string arrayInput = res[2];
		const char* arrs = arrayInput.c_str();
		if (arrs[0] == '*')
		{
			cout << "pointer" << endl;
			arraySize = 4;
			countSecond = 1;
		}
		else
		{
			string strSize = arrayInput.substr(arrayInput.find("[") + 1, arrayInput.find("]") - arrayInput.find("[") - 1);

		//	arraySize = atoi(strSize.c_str());

			stringstream stream(strSize);
			stream >> arraySize;
		}
		return countSecond;
	}
}


void main()
{

	char getStrs[50];
	
	cin.getline(getStrs, 50);				//从屏幕获得字符串

	string word(getStrs);                   //把字符数组转化为字符串
	vector<string> res;						//用于存放分割后的字符串 
	//待分割的字符串，含有很多空格 
	////string word = "   Hello, I want   to learn C++!   ";
	//string word = "char str[100] ";
	//word = "unsigned long test[100] ";
	//word = "unsigned long *test ";
	//word = "int *test ";
	//暂存从word中读取的字符串 
	string result;
	//将字符串读到input中 
	stringstream input(word);
	//依次输出到result中，并存入res中 
	while (input >> result)
		res.push_back(result);
	//输出res 
	for (int i = 0; i<res.size(); i++){
		cout << res[i] << endl;
	}

	
	int len = 0;
	int num = Num(res, len);
	int allLength = num*len;
	cout << "all size is " << allLength << endl;
	system("pause");
	
}