oj.uz

답안 #472660

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
472660 2021-09-14T04:39:22 Z ITO Designated Cities (JOI19_designated_cities) C++11
100 / 100
 1046 ms 59992 KB 
#include<bits/stdc++.h>
#define mp make_pair
#define no cout << "ickgf\n"
using namespace std;
typedef long long ll;
int n, mi1;
ll an[200001], ma = 0;
vector<pair<int, pair<ll, ll>>> e[200001];
priority_queue<pair<ll, int>> pq[200001];
pair<ll, ll> eat(int x, int p){
    pair<ll, ll> re = {0ll, 0ll}, tm;
    for (pair<int, pair<ll, ll>> pi : e[x]) {
        if (pi.first != p) {
            tm = eat(pi.first, x);
            re.first += tm.first + pi.second.second;
            re.second = max(re.second, tm.second + pi.second.first - pi.second.second);
        }
    }
    return re;
}
pair<ll, ll> nom(int x, int p, ll ba) {
    pair<ll, ll> m1 = {0, 0}, m2 = {0, 0}, tm;
    for (pair<int, pair<ll, ll>> pi : e[x]) {
        if (pi.first != p) {
            tm = nom(pi.first, x, ba + pi.second.first - pi.second.second);
            tm.first += (ll) pi.second.first;
            if (tm.first > m1.first) {
                m2 = m1, m1 = tm;
            } else if (tm.first > m2.first) {
                m2 = tm;
            }
        }
    }
    if (m2.first > 0ll) {
        ba += m1.first + m2.first;
        if (ba > ma) {
            ma = ba, mi1 = m1.second;
        }
    } else if (m1.first == 0ll) {
        m1.second = x;
    }
    return m1;
}
ll yum(int x, int p){
    if (e[x].size() == 1 && p != 0) {
        return 0;
    }
    for (pair<int, pair<ll, ll>> pi : e[x]) {
        if (pi.first != p) {
            pq[x].push({yum(pi.first, x) + pi.second.first, pi.first});
        }
    }
    return pq[x].top().first;
}
void mhm(int x) {
    if (!pq[x].empty()) {
        pair<ll, int> ppp = pq[x].top();
        pq[x].pop();
        mhm(ppp.second);
    }
    while (!pq[x].empty()) {
        pq[mi1].push(pq[x].top());
        pq[x].pop();
    }
}
int main(){
    int a, b, c, d, ej, q;
    ll tot = 0;
    cin >> n;
    for (int i = 1; i < n; i++) {
        cin >> a >> b >> c >> d;
        e[a].push_back({b, {c, d}});
        e[b].push_back({a, {d, c}});
        tot += (ll) c + d;
    }
    if (n == 2) {
        an[1] = min(c, d);
    } else {
        int sta = 1;
        if (e[1].size() == 1) {
            sta = e[1][0].first;
        }
        pair<ll, ll> re = eat(sta, 0), re2 = nom(sta, 0, re.first);
        an[1] = tot - re.first - re.second;
        yum(mi1, 0);
        tot -= ma;
        an[2] = tot;
        pair<ll, int> ppp;
        ppp = pq[mi1].top();
        pq[mi1].pop();
        mhm(ppp.second);
        for (int i = 3; tot > 0 && i <= n; i++) {
            ppp = pq[mi1].top();
            pq[mi1].pop();
            mhm(ppp.second);
            tot -= ppp.first;
            an[i] = tot;
        }
    }
    cin >> q;
    for (int i = 0; i < q; i++) {
        cin >> ej;
        cout << an[ej] << '\n';
    }
    return 0;
}

Compilation message

designated_cities.cpp: In function 'int main()':
designated_cities.cpp:83:40: warning: variable 're2' set but not used [-Wunused-but-set-variable]
   83 |         pair<ll, ll> re = eat(sta, 0), re2 = nom(sta, 0, re.first);
      |                                        ^~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 11212 KB Output is correct
2 Correct 7 ms 11212 KB Output is correct
3 Correct 8 ms 11260 KB Output is correct
4 Correct 7 ms 11212 KB Output is correct
5 Correct 7 ms 11232 KB Output is correct
6 Correct 7 ms 11212 KB Output is correct
7 Correct 9 ms 11208 KB Output is correct
8 Correct 7 ms 11212 KB Output is correct
9 Correct 8 ms 11212 KB Output is correct
10 Correct 8 ms 11256 KB Output is correct
11 Correct 7 ms 11260 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 11212 KB Output is correct
2 Correct 633 ms 31264 KB Output is correct
3 Correct 609 ms 58312 KB Output is correct
4 Correct 551 ms 35368 KB Output is correct
5 Correct 627 ms 38068 KB Output is correct
6 Correct 609 ms 40252 KB Output is correct
7 Correct 537 ms 38640 KB Output is correct
8 Correct 665 ms 57388 KB Output is correct
9 Correct 479 ms 40708 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 11212 KB Output is correct
2 Correct 577 ms 31292 KB Output is correct
3 Correct 619 ms 58228 KB Output is correct
4 Correct 524 ms 35300 KB Output is correct
5 Correct 585 ms 38256 KB Output is correct
6 Correct 622 ms 41248 KB Output is correct
7 Correct 480 ms 40420 KB Output is correct
8 Correct 606 ms 51052 KB Output is correct
9 Correct 496 ms 40176 KB Output is correct

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 11212 KB Output is correct
2 Correct 7 ms 11212 KB Output is correct
3 Correct 8 ms 11260 KB Output is correct
4 Correct 7 ms 11212 KB Output is correct
5 Correct 7 ms 11232 KB Output is correct
6 Correct 7 ms 11212 KB Output is correct
7 Correct 9 ms 11208 KB Output is correct
8 Correct 7 ms 11212 KB Output is correct
9 Correct 8 ms 11212 KB Output is correct
10 Correct 8 ms 11256 KB Output is correct
11 Correct 7 ms 11260 KB Output is correct
12 Correct 6 ms 11212 KB Output is correct
13 Correct 14 ms 11496 KB Output is correct
14 Correct 14 ms 11724 KB Output is correct
15 Correct 15 ms 11416 KB Output is correct
16 Correct 15 ms 11524 KB Output is correct
17 Correct 14 ms 11468 KB Output is correct
18 Correct 14 ms 11540 KB Output is correct
19 Correct 14 ms 11548 KB Output is correct
20 Correct 14 ms 11548 KB Output is correct
21 Correct 15 ms 11468 KB Output is correct
22 Correct 15 ms 11468 KB Output is correct
23 Correct 14 ms 11468 KB Output is correct
24 Correct 14 ms 11528 KB Output is correct
25 Correct 17 ms 11780 KB Output is correct
26 Correct 15 ms 11528 KB Output is correct

Subtask #5
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 11212 KB Output is correct
2 Correct 633 ms 31264 KB Output is correct
3 Correct 609 ms 58312 KB Output is correct
4 Correct 551 ms 35368 KB Output is correct
5 Correct 627 ms 38068 KB Output is correct
6 Correct 609 ms 40252 KB Output is correct
7 Correct 537 ms 38640 KB Output is correct
8 Correct 665 ms 57388 KB Output is correct
9 Correct 479 ms 40708 KB Output is correct
10 Correct 7 ms 11212 KB Output is correct
11 Correct 577 ms 31292 KB Output is correct
12 Correct 619 ms 58228 KB Output is correct
13 Correct 524 ms 35300 KB Output is correct
14 Correct 585 ms 38256 KB Output is correct
15 Correct 622 ms 41248 KB Output is correct
16 Correct 480 ms 40420 KB Output is correct
17 Correct 606 ms 51052 KB Output is correct
18 Correct 496 ms 40176 KB Output is correct
19 Correct 7 ms 11212 KB Output is correct
20 Correct 583 ms 37724 KB Output is correct
21 Correct 631 ms 58320 KB Output is correct
22 Correct 510 ms 35348 KB Output is correct
23 Correct 589 ms 37860 KB Output is correct
24 Correct 573 ms 36384 KB Output is correct
25 Correct 604 ms 37696 KB Output is correct
26 Correct 576 ms 36660 KB Output is correct
27 Correct 582 ms 37568 KB Output is correct
28 Correct 617 ms 40552 KB Output is correct
29 Correct 612 ms 37752 KB Output is correct
30 Correct 518 ms 36796 KB Output is correct
31 Correct 510 ms 38540 KB Output is correct
32 Correct 623 ms 51740 KB Output is correct
33 Correct 495 ms 40648 KB Output is correct

Subtask #6
44.0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 11212 KB Output is correct
2 Correct 7 ms 11212 KB Output is correct
3 Correct 8 ms 11260 KB Output is correct
4 Correct 7 ms 11212 KB Output is correct
5 Correct 7 ms 11232 KB Output is correct
6 Correct 7 ms 11212 KB Output is correct
7 Correct 9 ms 11208 KB Output is correct
8 Correct 7 ms 11212 KB Output is correct
9 Correct 8 ms 11212 KB Output is correct
10 Correct 8 ms 11256 KB Output is correct
11 Correct 7 ms 11260 KB Output is correct
12 Correct 8 ms 11212 KB Output is correct
13 Correct 633 ms 31264 KB Output is correct
14 Correct 609 ms 58312 KB Output is correct
15 Correct 551 ms 35368 KB Output is correct
16 Correct 627 ms 38068 KB Output is correct
17 Correct 609 ms 40252 KB Output is correct
18 Correct 537 ms 38640 KB Output is correct
19 Correct 665 ms 57388 KB Output is correct
20 Correct 479 ms 40708 KB Output is correct
21 Correct 7 ms 11212 KB Output is correct
22 Correct 577 ms 31292 KB Output is correct
23 Correct 619 ms 58228 KB Output is correct
24 Correct 524 ms 35300 KB Output is correct
25 Correct 585 ms 38256 KB Output is correct
26 Correct 622 ms 41248 KB Output is correct
27 Correct 480 ms 40420 KB Output is correct
28 Correct 606 ms 51052 KB Output is correct
29 Correct 496 ms 40176 KB Output is correct
30 Correct 6 ms 11212 KB Output is correct
31 Correct 14 ms 11496 KB Output is correct
32 Correct 14 ms 11724 KB Output is correct
33 Correct 15 ms 11416 KB Output is correct
34 Correct 15 ms 11524 KB Output is correct
35 Correct 14 ms 11468 KB Output is correct
36 Correct 14 ms 11540 KB Output is correct
37 Correct 14 ms 11548 KB Output is correct
38 Correct 14 ms 11548 KB Output is correct
39 Correct 15 ms 11468 KB Output is correct
40 Correct 15 ms 11468 KB Output is correct
41 Correct 14 ms 11468 KB Output is correct
42 Correct 14 ms 11528 KB Output is correct
43 Correct 17 ms 11780 KB Output is correct
44 Correct 15 ms 11528 KB Output is correct
45 Correct 7 ms 11212 KB Output is correct
46 Correct 583 ms 37724 KB Output is correct
47 Correct 631 ms 58320 KB Output is correct
48 Correct 510 ms 35348 KB Output is correct
49 Correct 589 ms 37860 KB Output is correct
50 Correct 573 ms 36384 KB Output is correct
51 Correct 604 ms 37696 KB Output is correct
52 Correct 576 ms 36660 KB Output is correct
53 Correct 582 ms 37568 KB Output is correct
54 Correct 617 ms 40552 KB Output is correct
55 Correct 612 ms 37752 KB Output is correct
56 Correct 518 ms 36796 KB Output is correct
57 Correct 510 ms 38540 KB Output is correct
58 Correct 623 ms 51740 KB Output is correct
59 Correct 495 ms 40648 KB Output is correct
60 Correct 6 ms 11180 KB Output is correct
61 Correct 1016 ms 40528 KB Output is correct
62 Correct 1040 ms 59992 KB Output is correct
63 Correct 925 ms 38008 KB Output is correct
64 Correct 1025 ms 40464 KB Output is correct
65 Correct 949 ms 38924 KB Output is correct
66 Correct 967 ms 40264 KB Output is correct
67 Correct 952 ms 38912 KB Output is correct
68 Correct 988 ms 40416 KB Output is correct
69 Correct 1004 ms 43196 KB Output is correct
70 Correct 1002 ms 40404 KB Output is correct
71 Correct 917 ms 39676 KB Output is correct
72 Correct 920 ms 41944 KB Output is correct
73 Correct 1046 ms 53932 KB Output is correct
74 Correct 892 ms 44724 KB Output is correct