#include <bits/stdc++.h> using namespace std; int main(){ int n,i,b,b1,c,c1,a[25]={0}; cin>>n; for(i=0;i<n;i++){ cin>>a[i]; } cin>>b>>b1>>c>>c1; for(i=0;i<b1-b+1;i++){ swap(a[b-1+i],a[c-1+i]); } for(i=0;i<n;i++){ cout<<a[i]<<" "; } } /************************************************************** Problem: 1171 User: linmiaoling Language: C++ Result: Accepted Time:13 ms Memory:2072 kb ****************************************************************/