Submission #615399

#	Time	Username	Problem	Language	Result	Execution time	Memory
615399		ak2006	Knjige (COCI20_knjige)	C++14	50 / 50	29 ms	1448 KiB

Main

#include <bits/stdc++.h>
using namespace std;
vector<string>ans;
void f(vector<int> a,int n)
{
    if (n <= 1)return;
    int mx = 0,pos = 0;
    for (int i = 0;i<n;i++){
        if (a[i] > mx)pos = i;
        mx = max(mx,a[i]);
    }
    for (int i = 0;i<pos;i++){
        //move from left shelf to hand = UZMI L L
        //move from hand to right shelf = STAVI L D
        ans.push_back("UZMI L L");
        ans.push_back("STAVI L D");
    }
    ans.push_back("UZMI D L");
    for (int i = pos + 1;i<n;i++){
        //move from left shelf to left hand = UZMI L L
        //move from left hand to right shelf = STAVI L D
        ans.push_back("UZMI L L");
        ans.push_back("STAVI L D");
    }
    ans.push_back("STAVI D L");
    for (int i = 0;i<n - 1;i++){
        //move from right shelf to left hand = UZMI D L
        //move from left hand to left shelf = STAVI L L
        ans.push_back("UZMI L D");
        ans.push_back("STAVI L L");
    }

    vector<int> nxt;
    for (int i = 0;i<n;i++){
        if (pos == i)continue;
        nxt.push_back(a[i]);
    }

    f(nxt,n - 1);
}
int main()
{
    int n;
    cin>>n;
 
    vector<int> a(n);
    for (int i = 0;i<n;i++)cin>>a[i];
    f(a,n);
    
    cout<<ans.size()<<endl;
    for (auto it:ans)cout<<it<<endl;
    return 0;
}

• Subtask 1: 50 / 50