10044-Erdos number Time limit exceeded - c++编程基础

以下是我的代码，但是在通过uva测试是time limit exceeded, 不知道是什么原因，而且我自己测试了几个数据都是对的。

[cpp]
#include
#include
#include
#include
#include
#include

using namespace std;

string Erdos="Erdos, P.";
string Scenario="Scenario ";
string Infinity="infinity";
map Scientists;

void loopFind(map > map_name,vector parters,vector lines,int value){
if(parters.size()<=0)return;

for(int i=0;i vector parter1;
vector lines1;
string tmp=parters.at(i);
for(map >::iterator it=map_name.begin();it!=map_name.end();++it){
vector tmpNames=it->second;
vector::iterator tmpIndex=find(lines.begin(),lines.end(),it->first);
vector::iterator it1=find(tmpNames.begin(),tmpNames.end(),tmp);
if(tmpIndex!=lines.end())break;
else if(it1!=tmpNames.end()){
for(int j=0;j string tmp1=tmpNames.at(j);
if(tmp1!=tmp){
Scientists[tmp1]=value;
parter1.push_back(tmp1);
}
}
lines1.push_back(it->first);
}
}
loopFind(map_name,parter1,lines1,value+1);
}
}

void findScientists(map > map_name){
Scientists[Erdos]=0;
vector parters;
vector lines;

for(map >::iterator it=map_name.begin();it!=map_name.end();++it){
vector names=it->second;
vector::iterator tmp=find(names.begin(),names.end(),Erdos);
if(tmp!=names.end()){
for(int i=0;i string tmp1=names.at(i);
if(tmp1!=Erdos){
Scientists[tmp1]=1;
parters.push_back(tmp1);
}
}
lines.push_back(it->first);
}
}
loopFind(map_name,parters,lines,2);

}

void getErdosNumber(vector paper,vector names){
int index=1;
map > map_name;

for(vector:: iterator it=paper.begin();it!=paper.end();++it){
string tmpString=*it;
vector tmpSci;
int begin=0;
int end=0;
if(tmpString.length()<1)continue;
while(end if(tmpString[end]=='.'&&tmpString[end+1]==','&&tmpString[end+2]==' '){
string tmpName=tmpString.substr(begin,end-begin+1);
tmpSci.push_back(tmpName);
begin=end+3;
end=begin;
}
else if(tmpString[end]==':'){
string tmpName=tmpString.substr(begin,end-begin);
tmpSci.push_back(tmpName);
break;
}
else ++end;

}

map_name[index]=tmpSci;
++index;
}

findScientists(map_name);
}

int main(){
int n=0;
cin>>n;

for(int i=1;i<=n;++i){
int P=0;
int N=0;
cin>>P>>N;
if(P<1||N<1)continue;

getchar();
vector paper;
for(int x=0;x string tmpPaper;
getline(cin,tmpPaper);
paper.push_back(tmpPaper);
}

vector names;
for(int y=0;y string tmpName;
getline(cin,tmpName);
names.push_back(tmpName);
}

Scientists.clear();

10044-Erdos number Time limit exceeded (一)