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OI-source/history_source/信息学奥赛一本通/1.6.1.10.cpp
2023-08-03 09:22:52 +08:00

24 lines
306 B
C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
string s,a,b,x;
getline(cin,s);
cin>>a>>b;
for(int i=0;i<s.size();i++)
{
if(s[i]!=' ') x+=s[i];
else
{
if(x==a) cout<<b<<" ";
else cout<<x<<" ";
x="";
}
}
if(x==a) cout<<b<<" ";
else cout<<x<<" ";
return 0;
}