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#include<iostream>
#include<fstream>
using namespace std;
void main() {
ofstream file;
file.open("input.txt");
file<<"aaaaaaaa\nbbbbbbbb\ncccccccc";
file.close();
ifstream filei("input.txt");
ofstream fileo;
fileo.open("output.txt");
char c;
filei>>noskipws;
int i=1;
fileo<<i<<".";
cout<<i<<".";
while(filei>>c) {
if(c=='\n') {
i++;
fileo<<"\n";
cout<<"\n";
fileo<<i<<".";
cout<<i<<".";
} else {
fileo<<c;
cout<<c;
}
}
filei.close();
fileo.close();
}
#include<fstream>
using namespace std;
void main() {
ofstream file;
file.open("input.txt");
file<<"aaaaaaaa\nbbbbbbbb\ncccccccc";
file.close();
ifstream filei("input.txt");
ofstream fileo;
fileo.open("output.txt");
char c;
filei>>noskipws;
int i=1;
fileo<<i<<".";
cout<<i<<".";
while(filei>>c) {
if(c=='\n') {
i++;
fileo<<"\n";
cout<<"\n";
fileo<<i<<".";
cout<<i<<".";
} else {
fileo<<c;
cout<<c;
}
}
filei.close();
fileo.close();
}
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