Submission #880750

#	Time	Username	Problem	Language	Result	Execution time	Memory
880750		Ahmed_Solyman	Knjige (COCI20_knjige)	C++14	50 / 50	7 ms	856 KiB

Main

/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>
#include <ext/rope>
 
using namespace std;
using namespace __gnu_cxx;
#pragma GCC optimize("-Ofast")
#pragma GCC optimize("-O1")
//-------------------------------------------------------------//
typedef long long ll;
typedef unsigned long long ull;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define PI acos(-1)
#define lb lower_bound
#define ub upper_bound
#define endl '\n'
#define all(v) v.begin(),v.end()
#define allr(v) v.rbegin(),v.rend()
#define sum_to(n) (n*(n+1))/2
#define pb push_back
#define pf push_front
#define fil(arr,x) memset(arr,x,sizeof(arr))
const ll mod=1e9+7;
int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,1,-1,-1,1};
//-------------------------------------------------------------//
ll lcm(ll a,ll b)
{
    return (max(a,b)/__gcd(a,b))*min(a,b);
}
void person_bool(bool x)
{
    cout<<(x?"YES":"NO")<<endl;
}
int main()
{
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    #ifndef ONLINE_JUDGE
 //   freopen("input.in", "r", stdin);
   // freopen("output.out", "w", stdout);
    #endif
    fast
    stack<int>a,b;
    int n;cin>>n;
    vector<array<int,3>>v;
    vector<int>arr;
    for(int i=0;i<n;i++){
        int x;cin>>x;
        b.push(x);arr.push_back(x);
        v.push_back({1,1,1});
        v.push_back({2,1,2});
    }
    sort(allr(arr));
    int j=0;
    while(b.size()){
        bool flag=0;
        int cnt=0;
        while(b.size()){
            if(!flag && b.top()==arr[j]){
                flag=1;
                v.push_back({1,2,2});
                b.pop();
                continue;
            }
            v.push_back({1,1,2});
            v.push_back({2,1,1});
            a.push(b.top());
            b.pop();
            cnt++;
        }
        while(cnt--){
            b.push(a.top());a.pop();
            v.push_back({1,1,1});
            v.push_back({2,1,2});
        }
        v.push_back({2,2,1});
        a.push(arr[j++]);
    }
    cout<<v.size()<<endl;
    for(int i=0;i<v.size();i++){
        string x[3]={"","UZMI","STAVI"};
        string y[3]={"","L","D"};
        cout<<x[v[i][0]]<<" "<<y[v[i][1]]<<" "<<y[v[i][2]]<<endl;
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:84:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~

• Subtask 1: 50 / 50