La idea básica:
No;
Puntos clave:
No;
#include <iostream>
#include <string>
#include <vector>
#include <sstream>
using namespace std;
vector <string> vec;
int main () {
string s;
cadena a, b;
while (getline (cin, s)) {
vec.resize (0);
cin >> a >> b;
stringstream aleta (s);
secuencia de c;
while (aleta >> c) {
si (a == c) {
vec.push_back (b);
}
Else {
vec.push_back (c);
}
}
For (int i = 0; i <vec.size (); i ++) {
si (i == 0)
cout << vec [i];
otro
tribunal << "" << vec [i];
}
}