#include<bits/stdc++.h> using namespace std; int n,a1,a2,b1,b2,a[100]={0}; int main(){ cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; } cin>>a1>>a2>>b1>>b2; for(int i=0;i<=a2-a1;i++){ swap(a[a1-1+i],a[b1-1+i]); } for(int i=0;i<n;i++){ cout<<a[i]<<" "; } } /************************************************************** Problem: 1171 User: zengyixuan Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/