关于单词转换map的程序，错在那了？编译出错的地方已给出。

[32131532]

#include<iostream>
#include<vector>
#include<string>
#include<map>

using namespace std;
void main()
{
map<string,string>trans_map;
typedef map<string,string>::value_type valType;

trans_map.insert(valType("gratz","grateful"));
trans_map.insert(valType("'em","them"));
trans_map.insert(valType("cuz","because"));
trans_map.insert(valType("nah","no"));
trans_map.insert(valType("sez","says"));
trans_map.insert(valType("tanx","thanks"));
trans_map.insert(valType("wuz","was"));
trans_map.insert(valType("pos","suppose"));

map<string,string>::iterator it;

cout<<"Here is our transformation map: \n\n";
for(it=trans_map.begin();
it!=trans_map.end();++it)
cout<<"key: "<<(*it).first<<"\t"
<<"value: "<<(*it).second<<"\n";
cout<<"\n\n";

string textarray[14]={"nah","I","sez","tanx","cuz","I",
"wuz","pos","to","not","cuz","I","wuz","gratz"};

vector<string> text(textarray,textarray+14);
vector<string> ::iterator iter;

cout<<"Here is our original string vector: \n\n";
int cnt=1;
for(iter=text.begin();iter!=text.end();++iter,++cnt)
cout<<*iter<<(cnt%8?" ":"\n");

cout<<"\n\n";


map<string,int>stats;
typedef map<string,int>::value_type statsValType;

for( iter=text.begin();iter!=text.end();++iter)
if((it=trans_map.find(*iter))!=trans_map.end())
{
if(stats.count(*iter))
stats[*iter]+=1;
esle stats.insert(statsValType(*iter,1));
*iter=(*it).second;
}

cout<<"Here is our transformed string vector:\n\n";
cnt=1;
for(iter=text.begin();iter!=text.end();++iter,++cnt)
cout<<*iter<<(cnt%8 ?" ":"\n");
cout<<"\n\n\n";

cout<<"Finally, here are our statistics:\n\n";
map<string,int ,less<string>,allocator>::iterator siter;

for(siter=stats.begin(); siter!=stats.end();++siter)
cout<<(*siter).first<<" "
<<"was transformed "
<<(*siter).second
<<((*siter).second==1
?" time\n" : "times\n");
}



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E:\C++\map\a.cpp(66) : error C2228: left of '.first' must have class/struct/union type
E:\C++\map\a.cpp(69) : error C2228: left of '.second' must have class/struct/union type
E:\C++\map\a.cpp(69) : error C2228: left of '.second' must have class/struct/union type

[gfxiang]

迭代器
it->first
it->second

[32131532]

不对啊
错误是后几行的。

[gfxiang]

试试
siter->first
siter->second

[32131532]

还不对

[32131532]

请高手指教指教，这对我很重要。

[gfxiang]

#include<iostream>
#include<vector>
#include<string>
#include<map>

using namespace std;

int main()
{
map<string,string>trans_map;
typedef map<string,string>::value_type valType;

trans_map.insert(valType("gratz","grateful"));
trans_map.insert(valType("'em","them"));
trans_map.insert(valType("cuz","because"));
trans_map.insert(valType("nah","no"));
trans_map.insert(valType("sez","says"));
trans_map.insert(valType("tanx","thanks"));
trans_map.insert(valType("wuz","was"));
trans_map.insert(valType("pos","suppose"));

map<string,string>::iterator it;

cout<<"Here is our transformation map: \n\n";
for(it=trans_map.begin();
it!=trans_map.end();++it)
cout<<"key: "<<(*it).first<<"\t"
<<"value: "<<(*it).second<<"\n";
cout<<"\n\n";

string textarray[14]={"nah","I","sez","tanx","cuz","I",
"wuz","pos","to","not","cuz","I","wuz","gratz"};

vector<string> text(textarray,textarray+14);
vector<string> ::iterator iter;

cout<<"Here is our original string vector: \n\n";
int cnt=1;
for(iter=text.begin();iter!=text.end();++iter,++cnt)
cout<<*iter<<(cnt%8?" ":"\n");

cout<<"\n\n";


map<string,int>stats;
typedef map<string,int>::value_type statsValType;

for( iter=text.begin();iter!=text.end();++iter)
if((it=trans_map.find(*iter))!=trans_map.end())
{
if(stats.count(*iter))
stats[*iter]+=1;
else
stats.insert(statsValType(*iter,1));
*iter=(*it).second;
}

cout<<"Here is our transformed string vector:\n\n";
cnt=1;
for(iter=text.begin();iter!=text.end();++iter,++cnt)
cout<<*iter<<(cnt%8 ?" ":"\n");
cout<<"\n\n\n";

cout<<"Finally, here are our statistics:\n\n";
map<string,int>::iterator siter;

for(siter=stats.begin(); siter!=stats.end();++siter)
cout<<(*siter).first<<" "
<<"was transformed "
<<(*siter).second
<<((*siter).second==1
?" time\n" : "times\n");

return 0;
}