#include<bits/stdc++.h> using namespace std; int main(){ int n,i,a[25]={0},b1,b2,c1,c2; cin>>n; for(i=0;i<n;i++){ cin>>a[i]; } cin>>b1>>b2>>c1>>c2; for(i=0;i<b2-b1+1;i++){ swap(a[b1-1+i],a[c1-1+i]); } for(i=0;i<n;i++){ cout<<a[i]<<" "; } } /************************************************************** Problem: 1171 User: wengsihan Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/