oj.uz

Submission #956601

# Submission time Handle Problem Language Result Execution time Memory
956601 2024-04-02T08:17:21 Z ZHIRDILBILDIZ Passport (JOI23_passport) C++14
100 / 100
 1631 ms 187716 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pll pair<ll, ll>
using namespace std;
const ll N = (1 << 18);
const ll INF = 1e18;
ll n, q;
vector<pll> gr[3 * N + 10];
void build (ll l = 1, ll r = N, ll v = 1) {
    if (l == r) {
        gr[l].push_back({v + N, 0});
        return;
    }
    ll mid = (l + r) >> 1;
    build(l, mid, v << 1);
    build(mid + 1, r, v << 1 ^ 1);
    gr[(v << 1) + N].push_back({v + N, 0});
    gr[((v << 1) ^ 1) + N].push_back({v + N, 0});
}
void add_road (ll l1, ll r1, ll x, ll v = 1, ll l = 1, ll r = N) {
    if (l > r1 || r < l1)
        return;
    if (l1 <= l && r <= r1) {
        gr[v + N].push_back({x, 1});
        return;
    }
    ll mid = (l + r) >> 1;
    add_road (l1, r1, x, v << 1, l, mid);
    add_road (l1, r1, x, v << 1 ^ 1, mid + 1, r);
}

vector<ll> deikstra (vector<pll> v) {
    vector<ll> dist(3 * N, INF);
    for (auto i : v)
        dist[i.fi] = i.se;
    set<pll> st;
    for (auto i = 0; i < 3 * N; ++i)
        st.insert({dist[i], i});
    while (st.size()) {
        auto p = *st.begin();
        st.erase(st.begin());
        for (auto i : gr[p.se])
            if (dist[i.fi] > p.fi + i.se) {
                st.erase({dist[i.fi], i.fi});
                dist[i.fi] = p.fi + i.se;
                st.insert({dist[i.fi], i.fi});
            }
    }
    vector<ll> now(n + 1);
    for (ll i = 1; i <= n; ++i)
        now[i] = dist[i];
    return now;
}

signed main () {
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    build();
    cin >> n;
    for (ll i = 1; i <= n; ++i) {
        ll l, r;
        cin >> l >> r;
        add_road (l, r, i);
    }

    vector<ll> dist_from_n = deikstra({{n, 0}});
    vector<ll> dist_from_one = deikstra({{1, 0}});
    vector<pll> v;
    for (ll i = 1; i <= n; ++i)
        v.push_back({i, dist_from_n[i] + dist_from_one[i] - (1 < i && i < n)});
    vector<ll> ans = deikstra(v);

    cin >> q;
    while (q--) {
        ll x;
        cin >> x;
        if (ans[x] >= INF)
            cout << "-1\n";
        else
            cout << ans[x] << '\n';
    }
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 551 ms 98852 KB Output is correct
2 Correct 540 ms 98920 KB Output is correct
3 Correct 552 ms 99168 KB Output is correct
4 Correct 1498 ms 165808 KB Output is correct
5 Correct 1104 ms 128100 KB Output is correct
6 Correct 950 ms 118252 KB Output is correct
7 Correct 1008 ms 142984 KB Output is correct
8 Correct 785 ms 144548 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 98924 KB Output is correct
2 Correct 569 ms 98900 KB Output is correct
3 Correct 544 ms 99104 KB Output is correct
4 Correct 550 ms 98924 KB Output is correct
5 Correct 544 ms 98804 KB Output is correct
6 Correct 545 ms 98916 KB Output is correct
7 Correct 544 ms 98788 KB Output is correct
8 Correct 545 ms 98900 KB Output is correct
9 Correct 549 ms 98924 KB Output is correct
10 Correct 541 ms 99132 KB Output is correct
11 Correct 534 ms 98960 KB Output is correct
12 Correct 570 ms 98824 KB Output is correct
13 Correct 552 ms 99152 KB Output is correct
14 Correct 548 ms 98968 KB Output is correct
15 Correct 536 ms 98892 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 98924 KB Output is correct
2 Correct 569 ms 98900 KB Output is correct
3 Correct 544 ms 99104 KB Output is correct
4 Correct 550 ms 98924 KB Output is correct
5 Correct 544 ms 98804 KB Output is correct
6 Correct 545 ms 98916 KB Output is correct
7 Correct 544 ms 98788 KB Output is correct
8 Correct 545 ms 98900 KB Output is correct
9 Correct 549 ms 98924 KB Output is correct
10 Correct 541 ms 99132 KB Output is correct
11 Correct 534 ms 98960 KB Output is correct
12 Correct 570 ms 98824 KB Output is correct
13 Correct 552 ms 99152 KB Output is correct
14 Correct 548 ms 98968 KB Output is correct
15 Correct 536 ms 98892 KB Output is correct
16 Correct 577 ms 99488 KB Output is correct
17 Correct 573 ms 99516 KB Output is correct
18 Correct 561 ms 99484 KB Output is correct
19 Correct 562 ms 99868 KB Output is correct
20 Correct 569 ms 99108 KB Output is correct
21 Correct 570 ms 99532 KB Output is correct
22 Correct 564 ms 99484 KB Output is correct
23 Correct 589 ms 99532 KB Output is correct
24 Correct 563 ms 99352 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 98924 KB Output is correct
2 Correct 569 ms 98900 KB Output is correct
3 Correct 544 ms 99104 KB Output is correct
4 Correct 550 ms 98924 KB Output is correct
5 Correct 544 ms 98804 KB Output is correct
6 Correct 545 ms 98916 KB Output is correct
7 Correct 544 ms 98788 KB Output is correct
8 Correct 545 ms 98900 KB Output is correct
9 Correct 549 ms 98924 KB Output is correct
10 Correct 541 ms 99132 KB Output is correct
11 Correct 534 ms 98960 KB Output is correct
12 Correct 570 ms 98824 KB Output is correct
13 Correct 552 ms 99152 KB Output is correct
14 Correct 548 ms 98968 KB Output is correct
15 Correct 536 ms 98892 KB Output is correct
16 Correct 577 ms 99488 KB Output is correct
17 Correct 573 ms 99516 KB Output is correct
18 Correct 561 ms 99484 KB Output is correct
19 Correct 562 ms 99868 KB Output is correct
20 Correct 569 ms 99108 KB Output is correct
21 Correct 570 ms 99532 KB Output is correct
22 Correct 564 ms 99484 KB Output is correct
23 Correct 589 ms 99532 KB Output is correct
24 Correct 563 ms 99352 KB Output is correct
25 Correct 544 ms 98900 KB Output is correct
26 Correct 558 ms 98944 KB Output is correct
27 Correct 587 ms 99280 KB Output is correct
28 Correct 620 ms 99216 KB Output is correct
29 Correct 577 ms 99216 KB Output is correct
30 Correct 554 ms 99528 KB Output is correct
31 Correct 585 ms 99296 KB Output is correct

Subtask #5
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 551 ms 98852 KB Output is correct
2 Correct 540 ms 98920 KB Output is correct
3 Correct 552 ms 99168 KB Output is correct
4 Correct 1498 ms 165808 KB Output is correct
5 Correct 1104 ms 128100 KB Output is correct
6 Correct 950 ms 118252 KB Output is correct
7 Correct 1008 ms 142984 KB Output is correct
8 Correct 785 ms 144548 KB Output is correct
9 Correct 555 ms 98924 KB Output is correct
10 Correct 569 ms 98900 KB Output is correct
11 Correct 544 ms 99104 KB Output is correct
12 Correct 550 ms 98924 KB Output is correct
13 Correct 544 ms 98804 KB Output is correct
14 Correct 545 ms 98916 KB Output is correct
15 Correct 544 ms 98788 KB Output is correct
16 Correct 545 ms 98900 KB Output is correct
17 Correct 549 ms 98924 KB Output is correct
18 Correct 541 ms 99132 KB Output is correct
19 Correct 534 ms 98960 KB Output is correct
20 Correct 570 ms 98824 KB Output is correct
21 Correct 552 ms 99152 KB Output is correct
22 Correct 548 ms 98968 KB Output is correct
23 Correct 536 ms 98892 KB Output is correct
24 Correct 577 ms 99488 KB Output is correct
25 Correct 573 ms 99516 KB Output is correct
26 Correct 561 ms 99484 KB Output is correct
27 Correct 562 ms 99868 KB Output is correct
28 Correct 569 ms 99108 KB Output is correct
29 Correct 570 ms 99532 KB Output is correct
30 Correct 564 ms 99484 KB Output is correct
31 Correct 589 ms 99532 KB Output is correct
32 Correct 563 ms 99352 KB Output is correct
33 Correct 544 ms 98900 KB Output is correct
34 Correct 558 ms 98944 KB Output is correct
35 Correct 587 ms 99280 KB Output is correct
36 Correct 620 ms 99216 KB Output is correct
37 Correct 577 ms 99216 KB Output is correct
38 Correct 554 ms 99528 KB Output is correct
39 Correct 585 ms 99296 KB Output is correct
40 Correct 1631 ms 170116 KB Output is correct
41 Correct 1172 ms 133268 KB Output is correct
42 Correct 1276 ms 187716 KB Output is correct
43 Correct 1210 ms 186404 KB Output is correct
44 Correct 1057 ms 120476 KB Output is correct
45 Correct 1064 ms 136428 KB Output is correct
46 Correct 871 ms 113360 KB Output is correct
47 Correct 1341 ms 145736 KB Output is correct
48 Correct 1083 ms 152620 KB Output is correct