Ivan

#include? < string >
#include? < iostream >
#include? < fstream >
#include? < vector >
using ? namespace ?std;

int ?main()? {
??vector < string > ?v;
??ifstream? in ( " J-01.cpp " );
?? string ?line;
?? while (getline( in ,?line))
????v.push_back(line);?
??cout << v.size() << endl;
?? for ( int ?i? = ? 0 ;?i? < ?v.size();?i ++ ) {
????cout << ?v[i]?;
????cin. get (); // 回車(chē)?yán)^續(xù)
??}
} ?