oj.uz

답안 #952640

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952640 2024-03-24T12:30:25 Z LOLOLO Passport (JOI23_passport) C++17
48 / 100
 983 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())

const int N = 2e5 + 10;
int a[N], b[N], c[N], p[N], lst, ss[N];
vector < vector <int>> save;
vector <pair <int, int>> ed[N * 6];

void build(int id, int l, int r) {
    if (l == r) {
        ss[l] = id;
        return;
    }

    int m = (l + r) / 2;
    save.pb({id, id * 2, 0});
    save.pb({id, id * 2 + 1, 0});
    build(id * 2, l, m);
    build(id * 2 + 1, m + 1, r);
}

void dfs(int id, int l, int r, int u, int v, int cur) {
    if (l > v || r < u)
        return;

    if (l >= r && u <= v) {
        save.pb({cur, id, 0});
        return;
    }

    int m = (l + r) / 2;
    dfs(id * 2, l, m, u, v, cur);
    dfs(id * 2 + 1, m + 1, r, u, v, cur);
}

void dijkstra(vector <ll> &dis, vector <ll> save, vector <ll> cc) {
    dis.assign(lst + 1, 1e17);
    priority_queue <pair <ll, ll>, vector <pair <ll, ll>>, greater <pair <ll, ll>>> pq;

    for (auto x : save) {
        pq.push({cc[x], x});
        dis[x] = cc[x];
    }

    while (sz(pq)) {
        auto t = pq.top();
        pq.pop();
        if (dis[t.s] < t.f) 
            continue;

        for (auto x : ed[t.s]) {
            if (dis[x.f] > t.f + x.s) {
                dis[x.f] = t.f + x.s;
                pq.push({dis[x.f], x.f});
            }
        }
    }
}

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

    int n;
    cin >> n;

    lst = n * 4;
    build(1, 1, n);

    for (int i = 1; i <= n; i++) {
        int l, r;
        cin >> l >> r;
        lst++;
        save.pb({ss[i], lst, 1});
        dfs(1, 1, n, l, r, lst);
    }

    for (auto x : save) {
        ed[x[1]].pb({x[0], x[2]});
    }

    vector <ll> d1, d2, d3, cst(lst + 1, 0), id;
    dijkstra(d1, {ss[1]}, cst);
    dijkstra(d2, {ss[n]}, cst);

    for (int i = 1; i <= lst; i++) {
        id.pb(i);
        cst[i] = d1[i] + d2[i];
    }

    dijkstra(d3, id, cst);

    int q;
    cin >> q;

    while (q--) {
        int x;
        cin >> x;
        if (d3[ss[x]] > 1e16) {
            cout << -1 << '\n';
        } else {
            cout << d3[ss[x]] << '\n';
        }
    }


    return 0;
}

Subtask #1
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 31324 KB Output is correct
2 Correct 8 ms 31344 KB Output is correct
3 Correct 9 ms 31324 KB Output is correct
4 Runtime error 983 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 31324 KB Output is correct
2 Correct 8 ms 31320 KB Output is correct
3 Correct 7 ms 31404 KB Output is correct
4 Correct 9 ms 31320 KB Output is correct
5 Correct 7 ms 31324 KB Output is correct
6 Correct 7 ms 31324 KB Output is correct
7 Correct 7 ms 31380 KB Output is correct
8 Correct 7 ms 31324 KB Output is correct
9 Correct 7 ms 31324 KB Output is correct
10 Correct 8 ms 31580 KB Output is correct
11 Correct 10 ms 33040 KB Output is correct
12 Correct 8 ms 31576 KB Output is correct
13 Correct 12 ms 34576 KB Output is correct
14 Correct 12 ms 34320 KB Output is correct
15 Correct 8 ms 32092 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 31324 KB Output is correct
2 Correct 8 ms 31320 KB Output is correct
3 Correct 7 ms 31404 KB Output is correct
4 Correct 9 ms 31320 KB Output is correct
5 Correct 7 ms 31324 KB Output is correct
6 Correct 7 ms 31324 KB Output is correct
7 Correct 7 ms 31380 KB Output is correct
8 Correct 7 ms 31324 KB Output is correct
9 Correct 7 ms 31324 KB Output is correct
10 Correct 8 ms 31580 KB Output is correct
11 Correct 10 ms 33040 KB Output is correct
12 Correct 8 ms 31576 KB Output is correct
13 Correct 12 ms 34576 KB Output is correct
14 Correct 12 ms 34320 KB Output is correct
15 Correct 8 ms 32092 KB Output is correct
16 Correct 130 ms 123612 KB Output is correct
17 Correct 15 ms 35088 KB Output is correct
18 Correct 282 ms 239188 KB Output is correct
19 Correct 327 ms 228692 KB Output is correct
20 Correct 11 ms 33688 KB Output is correct
21 Correct 56 ms 60148 KB Output is correct
22 Correct 262 ms 242124 KB Output is correct
23 Correct 261 ms 195808 KB Output is correct
24 Correct 218 ms 195548 KB Output is correct

Subtask #4
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 31324 KB Output is correct
2 Correct 8 ms 31320 KB Output is correct
3 Correct 7 ms 31404 KB Output is correct
4 Correct 9 ms 31320 KB Output is correct
5 Correct 7 ms 31324 KB Output is correct
6 Correct 7 ms 31324 KB Output is correct
7 Correct 7 ms 31380 KB Output is correct
8 Correct 7 ms 31324 KB Output is correct
9 Correct 7 ms 31324 KB Output is correct
10 Correct 8 ms 31580 KB Output is correct
11 Correct 10 ms 33040 KB Output is correct
12 Correct 8 ms 31576 KB Output is correct
13 Correct 12 ms 34576 KB Output is correct
14 Correct 12 ms 34320 KB Output is correct
15 Correct 8 ms 32092 KB Output is correct
16 Correct 130 ms 123612 KB Output is correct
17 Correct 15 ms 35088 KB Output is correct
18 Correct 282 ms 239188 KB Output is correct
19 Correct 327 ms 228692 KB Output is correct
20 Correct 11 ms 33688 KB Output is correct
21 Correct 56 ms 60148 KB Output is correct
22 Correct 262 ms 242124 KB Output is correct
23 Correct 261 ms 195808 KB Output is correct
24 Correct 218 ms 195548 KB Output is correct
25 Correct 7 ms 31324 KB Output is correct
26 Correct 7 ms 31324 KB Output is correct
27 Correct 145 ms 131808 KB Output is correct
28 Correct 16 ms 35188 KB Output is correct
29 Correct 12 ms 33684 KB Output is correct
30 Correct 47 ms 58808 KB Output is correct
31 Correct 141 ms 135808 KB Output is correct

Subtask #5
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 31324 KB Output is correct
2 Correct 8 ms 31344 KB Output is correct
3 Correct 9 ms 31324 KB Output is correct
4 Runtime error 983 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -