Submission #739171

#	Time	Username	Problem	Language	Result	Execution time	Memory
739171		Unforgettablepl	Knjige (COCI20_knjige)	C++17	0 / 50	2 ms	596 KiB

Main

/*
ID: samikgo1
TASK:
LANG: C++
*/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pii;
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()
//#define f first
//#define s second
//#define x first
//#define y second
const int INF = INT32_MAX;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
//    freopen("measurement.in","r",stdin);
//    freopen("measurement.out","w",stdout);
    int n;
    cin >> n;
    vector<ll> arr(n);
    for(ll&i:arr)cin>>i;
    stack<ll> left;
    stack<ll> right;
    for (int i = n-1; i >= 0; i--) {
        left.emplace(arr[i]);
    }
    sort(all(arr));
    vector<array<bool,3>> instructions;
    for (int i = 0; i < n; i++) {
        ll target = arr[i];
        while(left.top()!=target){
//            cout << "UZMI L L\nSTAVI L R\n";
            instructions.push_back({false,false,false});
            instructions.push_back({true,false,true});
            right.emplace(left.top());
            left.pop();
        }
//        cout << "UZMI R L\n";
        instructions.push_back({false,true,false});
        while(!right.empty()){
//            cout << "UZMI L R\nSTAVI L L\n";
            instructions.push_back({false,false,true});
            instructions.push_back({true,false,false});
            left.emplace(right.top());
            right.pop();
        }
//        cout << "STAVI R R\n";
        instructions.push_back({true,true,true});
    }
    for (int i = 0; i < n; i++) {
//        cout << "UZMI L R\nSTAVI L L\n";
        instructions.push_back({false,false,true});
        instructions.push_back({true,false,false});
    }
    cout << instructions.size() << '\n';
    for(auto&i:instructions) {
        if(i[0]){
            cout << "STAVI ";
        } else {
            cout << "UZMI ";
        }
        if(i[1]){
            cout << "R ";
        } else {
            cout << "L ";
        }
        if(i[2]){
            cout << "R\n";
        } else {
            cout << "L\n";
        }
    }
}

• Subtask 1: 0 / 50