Submission #974995

#	Time	Username	Problem	Language	Result	Execution time	Memory
974995		Cookie	Editor (BOI15_edi)	C++14	35 / 100	3007 ms	7432 KiB

edi

#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
#define ull unsigned long long
const ld PI = 3.14159265359, prec = 1e-9;;
//using u128 = __uint128_t;
//const int x[4] = {1, 0, -1, 0};
//const int y[4] = {0, -1, 0, 1};
const ll mod = 1e9 + 19972207, pr = 31;
const int mxn = 3e5 + 5, mxq = 1e5 + 5, sq = 105, mxv = 64;
//const int base = (1 <<18);
const ll inf = 1e9, neg = -69420, inf2 = 1e14;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// have fun
int n;
int a[mxn + 1], pa[mxn + 1], level[mxn + 1];
bool active[mxn + 1];
void solve(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    active[0] = 1;
    for(int i = 1; i <= n; i++){
        active[i] = 1;
        if(a[i] > 0){
            pa[i] = -1;
            cout << a[i] << "\n";
            level[i] = 0;
            continue;
        }else{
            level[i] = -a[i];
            for(int j = i - 1; j >= 1; j--){
                if(active[j] && level[j] < level[i]){
                    pa[i] = j;
                    break;
                }
            }
            for(int j = pa[i]; j != -1; j = pa[j]){
                active[j] ^= 1;
            }
            
            for(int j = i - 1; j >= 0; j--){
                if(active[j] && level[j] == 0){
                    cout << a[j] << "\n";
                    break;
                }
               
            }
        }
    }
}
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("TRILAND.inp", "r", stdin);
    //freopen("TRILAND.out", "w", stdout);
    int tt; tt = 1;
    while(tt--){
        solve();

    }
    return(0);
}

• Subtask 1: 20 / 20
• Subtask 2: 15 / 15
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37