📅  最后修改于: 2022-03-11 14:44:45.621000             🧑  作者: Mango
#include
#include
#include
using namespace std;
int main()
{
ofstream outFile("temp.txt");
ifstream readFile("test.txt");
string readLine;
string search;
string firstName;
string lastName;
cout<<"Enter The Id :: ";
cin>>search;
while(getline(readFile,readLine))
{
if(readLine == search)
{
outFile<>firstName;
cout<<"Enter New Last Name :: ";
cin>>lastName;
outFile<