process2

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

string key_word[32]={
		"auto","break","case","char","const","continue","default","double",
		"do","else","enum","extern","float","for","goto","if","int","long",
		"register","return","short","signed","sizeof","static","struct",
		"switch","typedef","union","unsigned","void","volatile","while"
	}; 

vector<int> Case_num;
int total_num=0;
int switch_num=0;
int case_num=0;
int ifelse_num=0;
int if_elseif_else_num=0;
int stack[1000]={0};
int top=-1;

int main(){
	string File1, temp;
    int Level;
	cout << "Please enter the root of the file：" << endl;
	cin >> File1;
	cout << "Please enter the level to inquire：" << endl;
	cout << "1--total" << endl;
	cout << "2--switch-case" << endl;
	cout << "3--if_else" << endl;
	cout << "4--if_elseif_else" << endl;
	cin >> Level;
	ifstream myfile(File1.c_str());
	int estimate_1(string x, string y);
	void Level_12(string str);
	void Level_34(string str);	 
	while (getline(myfile, temp)){
		istringstream is (temp);
		string s;
		if(Level >= 3){
			Level_34(temp);
		}
		while(is >> s){
			Level_12(s);
		}
	}
	if(Level >= 1){
		cout << "total num:" << total_num << endl;
	}
	if(Level >= 2){
		cout << "switch num:" << switch_num << endl;
		if(!Case_num.empty()){
			Case_num.push_back(case_num);
		}else{
			Case_num.push_back(0);
		}
		cout << "case_num :";
		for (int i = 1; i <= switch_num; i++){
			cout << Case_num[i] << " ";
		}
		cout << endl;
	}
	if(Level >= 3){
		cout << "if-else num:" << ifelse_num << endl;
	}
	if(Level >= 4){
		cout << "if-elseif-else num:" << if_elseif_else_num;
	}
}