关于c++处理文本汉字统计及字频的程序_百度知道.txt

关于C++处理文本汉字统计及字频的程序 关于C++处理文本汉字统计及字频的程序

#include<iostream> 
#include<fstream> 
#include <string> 
#include <map> 
#include <iterator> 
using namespace std; 
int main () 
{ 
ifstream is("input.txt"); 
char s[5000]; 
char c; 
int i = 0; 
int iChi=0; 
while ( (c = is.get()) != EOF) 
s[i++] = c; 
s[i] = '\0'; 

map<string,int> counter; 
for (i=0;s[i]!='\0';i++) 
{ 
if (s[i] & 0X80) 
{ 
string temp; 
temp.push_back(s[i]); 
temp.push_back(s[i+1]); 
counter[temp]++; 
iChi++; 
i++; 
} 
else continue; 
} 
is.close(); 
cout<<"汉字总数："<<iChi<<endl; 
cout<<"字频:"<<endl; 
map<string,int>::iterator iter; 
for(iter=counter.begin();iter!=counter.end();iter++) 
{ 
cout<<iter->first<<":"<<iter->second<<endl; 
} 

}