#include<bits/stdc++.h>
#include<fstream>
#include<iostream>
using namespace std;
int main()
{
ifstream in;
in.open("input.txt");
if(!in.is_open())
{
cout<<"Error file\n";
return 0;
}
int lineNum=0;
string s;
while (getline(in,s))
{
lineNum++;
}
in.close();
cout<<"Total number of line is : "<<lineNum<<endl;
return 0;
}
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