#include<bits/stdc++.h> using namespace std; int main(){ int a[20]={0},n,i,b,b1,c,c1; cin>>n; for(i=0;i<=n-1;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-1;i++){ cout<<a[i]<<" "; } } /************************************************************** Problem: 1171 User: panyuchen Language: C++ Result: Accepted Time:11 ms Memory:2072 kb ****************************************************************/