oj.uz

답안 #922566

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
922566 2024-02-05T16:47:24 Z KiaRez Passport (JOI23_passport) C++17
48 / 100
 2000 ms 786296 KB 
/*
    IN THE NAME OF GOD
*/
#include <bits/stdc++.h>

// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef long double ld;

#define F                                      first
#define S                                      second
#define Mp                                     make_pair
#define pb                                     push_back
#define pf                                     push_front
#define size(x)                                ((ll)x.size())
#define all(x)                                 (x).begin(),(x).end()
#define kill(x)		                           cout << x << '\n', exit(0);
#define fuck(x)                                cout << "(" << #x << " , " << x << ")" << endl
#define endl                                   '\n'

const int N = 3e5+23, lg = 18;
ll Mod = 1e9+7; //998244353;

inline ll MOD(ll a, ll mod=Mod) {a%=mod; (a<0)&&(a+=mod); return a;}
inline ll poww(ll a, ll b, ll mod=Mod) {
    ll ans = 1;
    a=MOD(a, mod);
    while (b) {
        if (b & 1) ans = MOD(ans*a, mod);
        b >>= 1;
        a = MOD(a*a, mod);
    }
    return ans;
}

int n, q, dist[3][5*N], vis[3][5*N], x[N], id[2*N], L[N], R[N], cnt;
vector<pii> adj[5*N];
vector<vector<int>> vec[3*N];

void build(int ind=1) {
	id[ind] = ++cnt;
	if(ind>=(1<<lg)) {
		int f = ind - (1<<lg) + 1;
		if(f<=n) adj[f].pb({id[ind], 0});
		return;
	}
	build(2*ind); build(2*ind+1);
	adj[id[2*ind+1]].pb({id[ind], 0});
	adj[id[2*ind]].pb({id[ind], 0});
}

void query(int v, int l, int r, int ind=1, int lc=1, int rc=(1<<lg)+1) {
	if(l>=rc || lc>=r) return;
	if(lc>=l && rc<=r) {
		adj[id[ind]].pb({v, 1});
		return;
	}
	int mid = (lc+rc)/2;
	query(v, l, r, 2*ind, lc, mid);
	query(v, l, r, 2*ind+1, mid, rc);
}

int main () {
	ios_base::sync_with_stdio(false), cin.tie(0);

	cin>>n;
	cnt=n;
	for(int i=1; i<=n; i++) cin>>L[i]>>R[i];
	cin>>q;
	for(int i=1; i<=q; i++) cin>>x[i];

	build(1);
	for(int i=1; i<=n; i++) {
		query(i, L[i], i);
		query(i, i+1, R[i]+1);
	}

	int ptr = 0;
	//priority_queue<vector<int>, vector<vector<int>>, greater<vector<int>>> pq;
	//pq.push({0, 0, 1});
	//pq.push({0, 1, n});
	vec[0].pb({0, 0, 1});
	vec[0].pb({0, 1, n});
	while(ptr<n+10) {
		if(size(vec[ptr]) == 0) {
			ptr++; continue;
		}
		vector<int> v = vec[ptr].back();
		vec[ptr].pop_back();
		if(vis[v[1]][v[2]] == 1) continue;
		vis[v[1]][v[2]] = 1, dist[v[1]][v[2]] = v[0];
	if(vis[1][v[2]]==1 && vis[0][v[2]]==1 && vis[2][v[2]] == 0) {
		vec[dist[1][v[2]]+dist[0][v[2]]-(v[2]>1&&v[2]<n)].pb({dist[1][v[2]]+dist[0][v[2]]-(v[2]>1&&v[2]<n), 2, v[2]});
	}
		for(auto it : adj[v[2]]) {
			if(vis[v[1]][it.F]==0)vec[v[0]+it.S].pb({v[0]+it.S, v[1], it.F});
		}
	}
	
	for(int i=1; i<=q; i++) {
		if(vis[2][x[i]] == 1) cout<<dist[2][x[i]]<<endl;
		else cout<<-1<<endl;
	}

	return 0;
}

Subtask #1
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 84712 KB Output is correct
2 Correct 46 ms 84560 KB Output is correct
3 Correct 39 ms 84560 KB Output is correct
4 Execution timed out 2039 ms 786296 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 84760 KB Output is correct
2 Correct 39 ms 84544 KB Output is correct
3 Correct 41 ms 84560 KB Output is correct
4 Correct 39 ms 84560 KB Output is correct
5 Correct 41 ms 84564 KB Output is correct
6 Correct 41 ms 84680 KB Output is correct
7 Correct 40 ms 84736 KB Output is correct
8 Correct 42 ms 84764 KB Output is correct
9 Correct 39 ms 84564 KB Output is correct
10 Correct 45 ms 84564 KB Output is correct
11 Correct 41 ms 84944 KB Output is correct
12 Correct 49 ms 84820 KB Output is correct
13 Correct 47 ms 84816 KB Output is correct
14 Correct 40 ms 84868 KB Output is correct
15 Correct 44 ms 85072 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 84760 KB Output is correct
2 Correct 39 ms 84544 KB Output is correct
3 Correct 41 ms 84560 KB Output is correct
4 Correct 39 ms 84560 KB Output is correct
5 Correct 41 ms 84564 KB Output is correct
6 Correct 41 ms 84680 KB Output is correct
7 Correct 40 ms 84736 KB Output is correct
8 Correct 42 ms 84764 KB Output is correct
9 Correct 39 ms 84564 KB Output is correct
10 Correct 45 ms 84564 KB Output is correct
11 Correct 41 ms 84944 KB Output is correct
12 Correct 49 ms 84820 KB Output is correct
13 Correct 47 ms 84816 KB Output is correct
14 Correct 40 ms 84868 KB Output is correct
15 Correct 44 ms 85072 KB Output is correct
16 Correct 54 ms 88756 KB Output is correct
17 Correct 47 ms 86264 KB Output is correct
18 Correct 56 ms 86432 KB Output is correct
19 Correct 47 ms 86784 KB Output is correct
20 Correct 46 ms 85584 KB Output is correct
21 Correct 50 ms 85368 KB Output is correct
22 Correct 56 ms 86748 KB Output is correct
23 Correct 51 ms 87564 KB Output is correct
24 Correct 51 ms 87052 KB Output is correct

Subtask #4
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 84760 KB Output is correct
2 Correct 39 ms 84544 KB Output is correct
3 Correct 41 ms 84560 KB Output is correct
4 Correct 39 ms 84560 KB Output is correct
5 Correct 41 ms 84564 KB Output is correct
6 Correct 41 ms 84680 KB Output is correct
7 Correct 40 ms 84736 KB Output is correct
8 Correct 42 ms 84764 KB Output is correct
9 Correct 39 ms 84564 KB Output is correct
10 Correct 45 ms 84564 KB Output is correct
11 Correct 41 ms 84944 KB Output is correct
12 Correct 49 ms 84820 KB Output is correct
13 Correct 47 ms 84816 KB Output is correct
14 Correct 40 ms 84868 KB Output is correct
15 Correct 44 ms 85072 KB Output is correct
16 Correct 54 ms 88756 KB Output is correct
17 Correct 47 ms 86264 KB Output is correct
18 Correct 56 ms 86432 KB Output is correct
19 Correct 47 ms 86784 KB Output is correct
20 Correct 46 ms 85584 KB Output is correct
21 Correct 50 ms 85368 KB Output is correct
22 Correct 56 ms 86748 KB Output is correct
23 Correct 51 ms 87564 KB Output is correct
24 Correct 51 ms 87052 KB Output is correct
25 Correct 41 ms 84548 KB Output is correct
26 Correct 42 ms 84568 KB Output is correct
27 Correct 52 ms 88840 KB Output is correct
28 Correct 49 ms 86096 KB Output is correct
29 Correct 47 ms 85604 KB Output is correct
30 Correct 52 ms 85124 KB Output is correct
31 Correct 49 ms 86692 KB Output is correct

Subtask #5
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 84712 KB Output is correct
2 Correct 46 ms 84560 KB Output is correct
3 Correct 39 ms 84560 KB Output is correct
4 Execution timed out 2039 ms 786296 KB Time limit exceeded
5 Halted 0 ms 0 KB -