#include<bits/stdc++.h> using namespace std; int n,i,a[25],t1,w1,t2,w2; int main(){ cin>>n; for(i=0;i<n;i++){ cin>>a[i]; } cin>>t1>>w1>>t2>>w2; for(i=0;i<=w1-t1;i++){ swap(a[t1-1+i],a[t2-1+i]); } for(i=0;i<n;i++){ cout<<a[i]<<" "; } } /************************************************************** Problem: 1171 User: zhenghaoxuan Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/