cpp: 统计文本文件中的字符数量

c++

#include <iostream>
#include <fstream>

using namespace std;

int main() {

fstream fin;
fin.open("dcb.txt");

char ch;
int counter = 0;
while (fin && fin.get(ch)) {
cout << ch;
counter++;
}
fin.close();

cout << "\ntotal litters of this file:" << counter << endl;

}