#include <iostream>
using namespace std;
int main() { //-更正名单
	string s[50];
	int n;
	cin>>n;
	for(int i=0;i<n;i++)
		cin>>s[i];
	string s1,s2;
	cin>>s1>>s2;
	for(int i=0;i<n;i++){
		if(s[i]==s1){
			s[i]=s2;
		}
	}
	for(int i=0;i<n;i++)
		cout<<s[i]<<" ";
	return 0;
}

讲解视频

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	char names[50][21];
	for(int i=0;i<n;i++)
		cin>>names[i];
	char wrong[21],right[21];
	cin>>wrong>>right;
	for(int i=0;i<n;i++){
		if(strcmp(names[i],wrong)==0)
			cout<<right<<" ";
		else
			cout<<names[i]<<" ";
	}
	return 0;
}