Submission #618775

#	Time	Username	Problem	Language	Result	Execution time	Memory
618775		Je_O	OGLEDALA (COI15_ogledala)	C++17	19 / 100	64 ms	14916 KiB

ogledala

#include<bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
typedef pair<ll, pair<ll, ll>> iii;

const int N = 3e5 + 5;
ll a[N], b[N], ans[N];

int main(){
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int m, n, q; cin >> m >> n >> q;
    for(int i = 1; i <= n; ++i)cin >> a[i];
    for(int i = 1; i <= q; ++i)cin >> b[i];
    for(int i = 1; i <= n; ++i)ans[i] = a[i];
    priority_queue<iii> pq;
    if(a[1] > 1)pq.push(mp(a[1] - 1, mp(-1, -(a[1] - 1))));
    for(int i = 1; i < n; ++i){
        if(a[i] + 1 < a[i + 1]){
            pq.push(mp(a[i + 1] - a[i] - 1, mp(-(a[i] + 1), -(a[i + 1] - 1))));
        }
    }
    if(a[n] < m)pq.push(mp(m - a[n], mp(-(a[n] + 1), -m)));
    for(int i = n + 1; i < N; ++i){
        iii cur = pq.top(); pq.pop();
        ans[i] = -cur.se.fi + (cur.fi - 1)/2;
        if(-cur.se.fi < ans[i]){
            pq.push(mp(ans[i] - (-cur.se.fi), mp(cur.se.fi, -(ans[i] - 1))));
        }
        if(ans[i] < -cur.se.se){
            pq.push(mp(-cur.se.se - ans[i], mp(-(ans[i] + 1), cur.se.se)));
        }
    }
    for(int i = 1; i <= q; ++i){
        cout << ans[b[i]] << '\n';
    }
    return 0;
}

• Subtask 1: 19 / 19
• Subtask 2: 0 / 22
• Subtask 3: 0 / 59