2 条题解
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0
#include<bits/stdc++.h> using namespace std; char a,b; int main(){ cin>>a>>b; cout<<b<<a; return 0; }
@柯子辰
林煜城
LV 8
@ 2024-8-18 11:39:55
#include<bits/stdc++.h>
using namespace std;
char a,b;
int main(){
cin>>a>>b;
cout<<b<<a;
return 0;
}
