#include<bits/stdc++.h> using namespace std; int n,i,a[20],c1,c2,b1,b2; int main(){ cin>>n; for(i=0;i<n;i++){ cin>>a[i]; } cin>>c1>>c2>>b1>>b2; for(i=0;i<=c2-c1;i++){ swap(a[c1-1+i],a[b1-1+i]); } for(i=0;i<n;i++){ cout<<a[i]<<" "; } } /************************************************************** Problem: 1171 User: yangjunwen Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/