CCF题目-模板生成系统 希望大神帮我看看为啥始终是90分~~

[敌敌畏口狗]

#include<iostream>
#include<cstring>
#include<algorithm>
#include<cstdio>
#include<vector>
#include<map>

using namespace std;

int string_replace(string &s1, const string &s2, const string &s3)  
{  
    string::size_type pos = 0;  
    string::size_type a = s2.size();  
    string::size_type b = s3.size();  
    while ((pos = s1.find(s2,pos)) != string::npos)  
    {  
        s1.replace(pos, a, s3);  
        pos += b;  
    }  
    return 0;  
}  
int main()
{
	int m = 0 ,n = 0 ,count = 0,countn = 0;
	vector<string>temp;
	vector<string>no;
	map<string,string>info;
	map<string,string>::iterator it;
	cin>>m>>n;
	getchar();
	while(count!=m)
	{
		string res;
		getline(cin,res);
		//if (!res.empty())  
        //{  
        	temp.push_back(res);
			count++; 
        //}  
	}
	while(countn!=n)
	{
		string res;
		getline(cin,res);
		if (!res.empty())  
        {  
        	string nre,re;
        	int index = 0;
			for(int i = 0;i < res.length()-1;i++)
			{
				if(res[i] == '"')
				{
					index = i; 
				}
			}
			nre = res.substr(0,index-1);
			re = res.substr(index+1,res.length()-index-2);
			info.insert(pair<string, string>("{{ "+nre+" }}", re));
			countn++; 
        }  
		
	}
	//cout << "input finished!\n";
	//找到无定义的变量，字典值设为空串 
	for(int i = 0;i < m;i++)
	{
		string res = temp[i];
		if(res.length() == 0) continue;
		if(res.length() < 7) continue;
		for(int j = 0;j <res.length()-4;j++)
		{
			int s_pos = 0,e_pos = 0,mcount = 0;
			string argu;
			if(res[j]=='{'&&res[j+1]=='{')
			{
				s_pos = j+3;
				for(int k = s_pos;k < res.length();k++)
				{
					if(res[k] == ' ')
					{
						e_pos = k;
						break;
					}
				}
			}
			argu = res.substr(s_pos,e_pos-s_pos);
			for(it = info.begin();it!=info.end();it++)
			{
				if(argu != it->first)
				{
					mcount+=1;
				}
			}
			if(mcount == info.size())
			{
				if(!argu.empty())
				{
					argu = "{{ "+argu+" }}";
					no.push_back(argu);
				}
			}
			else
			{
				continue;
			}
		}
	}

	
	for(it = info.begin();it!=info.end();it++)
	{
		for(int i = 0;i < m;i++)
		{
			string_replace(temp[i],it->first,it->second);
		}
	}
	for(int i = 0;i < no.size();i++)
	{
		for(int j = 0;j < m;j++)
		{
			string_replace(temp[j],no[i],"");
		}
	}
	for(int i = 0;i < m;i++)
	{
		cout<<temp[i]<<endl;
	}
	return 0;
} 

[敌敌畏口狗]

问题解决了 谢谢

[weixin_43840062]

请问是怎么什么造成了超时