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Submission #555053

# Submission time Handle Problem Language Result Execution time Memory
555053 2022-04-30T05:06:00 Z Jomnoi Fireworks (APIO16_fireworks) C++17
100 / 100
 176 ms 64696 KB 
#include <bits/stdc++.h>
#define DEBUG false
using namespace std;

const int MAX_N = 3e5 + 10;

int P[MAX_N], C[MAX_N];

class SlopeTrick {
public :
    long long m, c;
    priority_queue <long long> *pq;
    SlopeTrick() : m(0), c(0), pq(new priority_queue <long long>) {}

    SlopeTrick operator+(const SlopeTrick &o) const {
        SlopeTrick result;
        result.m = m + o.m;
        result.c = c + o.c;
        if(pq->size() > o.pq->size()) {
            result.pq = pq;
            while(!o.pq->empty()) {
                result.pq->push(o.pq->top());
                o.pq->pop();
            }
        }
        else {
            result.pq = o.pq;
            while(!pq->empty()) {
                result.pq->push(pq->top());
                pq->pop();
            }
        }
        return result;
    }
}D[MAX_N];

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int N, M;
    cin >> N >> M;
    for(int i = 2; i <= N + M; i++) {
        cin >> P[i] >> C[i];
    }

    for(int i = N + 1; i <= N + M; i++) {
        D[i].m = 1;
        D[i].c = -C[i];
        D[i].pq->push(C[i]);
        D[i].pq->push(C[i]);
        D[P[i]] = D[P[i]] + D[i];
    }
    for(int i = N; i >= 2; i--) {
        while(D[i].m > 1) {
            D[i].m--;
            D[i].c += D[i].pq->top();
            D[i].pq->pop();
        }

        long long slope1 = D[i].pq->top();
        D[i].pq->pop();
        long long slope0 = D[i].pq->top();
        D[i].pq->pop();

        D[i].pq->push(slope1 + C[i]);
        D[i].pq->push(slope0 + C[i]);
        D[i].c -= C[i];
        D[P[i]] = D[P[i]] + D[i];
    }
    while(D[1].m > 0) {
        D[1].m--;
        D[1].c += D[1].pq->top();
        D[1].pq->pop();
    }
    
    cout << D[1].c;
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 21460 KB Output is correct
2 Correct 15 ms 21372 KB Output is correct
3 Correct 15 ms 21420 KB Output is correct
4 Correct 15 ms 21460 KB Output is correct
5 Correct 19 ms 21444 KB Output is correct
6 Correct 16 ms 21460 KB Output is correct
7 Correct 16 ms 21500 KB Output is correct
8 Correct 16 ms 21408 KB Output is correct
9 Correct 17 ms 21464 KB Output is correct
10 Correct 14 ms 21416 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 21464 KB Output is correct
2 Correct 16 ms 21440 KB Output is correct
3 Correct 15 ms 21468 KB Output is correct
4 Correct 15 ms 21460 KB Output is correct
5 Correct 16 ms 21460 KB Output is correct
6 Correct 15 ms 21408 KB Output is correct
7 Correct 16 ms 21460 KB Output is correct
8 Correct 15 ms 21460 KB Output is correct
9 Correct 14 ms 21452 KB Output is correct
10 Correct 16 ms 21456 KB Output is correct
11 Correct 16 ms 21420 KB Output is correct
12 Correct 14 ms 21464 KB Output is correct
13 Correct 16 ms 21464 KB Output is correct
14 Correct 22 ms 21460 KB Output is correct
15 Correct 18 ms 21460 KB Output is correct
16 Correct 16 ms 21468 KB Output is correct
17 Correct 23 ms 21432 KB Output is correct
18 Correct 23 ms 21468 KB Output is correct
19 Correct 22 ms 21408 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 21460 KB Output is correct
2 Correct 15 ms 21372 KB Output is correct
3 Correct 15 ms 21420 KB Output is correct
4 Correct 15 ms 21460 KB Output is correct
5 Correct 19 ms 21444 KB Output is correct
6 Correct 16 ms 21460 KB Output is correct
7 Correct 16 ms 21500 KB Output is correct
8 Correct 16 ms 21408 KB Output is correct
9 Correct 17 ms 21464 KB Output is correct
10 Correct 14 ms 21416 KB Output is correct
11 Correct 15 ms 21464 KB Output is correct
12 Correct 16 ms 21440 KB Output is correct
13 Correct 15 ms 21468 KB Output is correct
14 Correct 15 ms 21460 KB Output is correct
15 Correct 16 ms 21460 KB Output is correct
16 Correct 15 ms 21408 KB Output is correct
17 Correct 16 ms 21460 KB Output is correct
18 Correct 15 ms 21460 KB Output is correct
19 Correct 14 ms 21452 KB Output is correct
20 Correct 16 ms 21456 KB Output is correct
21 Correct 16 ms 21420 KB Output is correct
22 Correct 14 ms 21464 KB Output is correct
23 Correct 16 ms 21464 KB Output is correct
24 Correct 22 ms 21460 KB Output is correct
25 Correct 18 ms 21460 KB Output is correct
26 Correct 16 ms 21468 KB Output is correct
27 Correct 23 ms 21432 KB Output is correct
28 Correct 23 ms 21468 KB Output is correct
29 Correct 22 ms 21408 KB Output is correct
30 Correct 16 ms 21460 KB Output is correct
31 Correct 16 ms 21488 KB Output is correct
32 Correct 18 ms 21732 KB Output is correct
33 Correct 21 ms 21676 KB Output is correct
34 Correct 17 ms 21736 KB Output is correct
35 Correct 22 ms 21716 KB Output is correct
36 Correct 17 ms 21844 KB Output is correct
37 Correct 19 ms 21920 KB Output is correct
38 Correct 18 ms 21868 KB Output is correct
39 Correct 17 ms 21860 KB Output is correct
40 Correct 17 ms 21740 KB Output is correct
41 Correct 17 ms 21716 KB Output is correct
42 Correct 17 ms 21820 KB Output is correct
43 Correct 17 ms 21856 KB Output is correct
44 Correct 18 ms 21900 KB Output is correct
45 Correct 17 ms 21916 KB Output is correct
46 Correct 19 ms 22100 KB Output is correct
47 Correct 18 ms 22104 KB Output is correct
48 Correct 18 ms 21988 KB Output is correct
49 Correct 19 ms 22092 KB Output is correct
50 Correct 18 ms 21968 KB Output is correct
51 Correct 16 ms 21956 KB Output is correct
52 Correct 17 ms 22092 KB Output is correct
53 Correct 16 ms 21964 KB Output is correct
54 Correct 20 ms 21964 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 21460 KB Output is correct
2 Correct 15 ms 21372 KB Output is correct
3 Correct 15 ms 21420 KB Output is correct
4 Correct 15 ms 21460 KB Output is correct
5 Correct 19 ms 21444 KB Output is correct
6 Correct 16 ms 21460 KB Output is correct
7 Correct 16 ms 21500 KB Output is correct
8 Correct 16 ms 21408 KB Output is correct
9 Correct 17 ms 21464 KB Output is correct
10 Correct 14 ms 21416 KB Output is correct
11 Correct 15 ms 21464 KB Output is correct
12 Correct 16 ms 21440 KB Output is correct
13 Correct 15 ms 21468 KB Output is correct
14 Correct 15 ms 21460 KB Output is correct
15 Correct 16 ms 21460 KB Output is correct
16 Correct 15 ms 21408 KB Output is correct
17 Correct 16 ms 21460 KB Output is correct
18 Correct 15 ms 21460 KB Output is correct
19 Correct 14 ms 21452 KB Output is correct
20 Correct 16 ms 21456 KB Output is correct
21 Correct 16 ms 21420 KB Output is correct
22 Correct 14 ms 21464 KB Output is correct
23 Correct 16 ms 21464 KB Output is correct
24 Correct 22 ms 21460 KB Output is correct
25 Correct 18 ms 21460 KB Output is correct
26 Correct 16 ms 21468 KB Output is correct
27 Correct 23 ms 21432 KB Output is correct
28 Correct 23 ms 21468 KB Output is correct
29 Correct 22 ms 21408 KB Output is correct
30 Correct 16 ms 21460 KB Output is correct
31 Correct 16 ms 21488 KB Output is correct
32 Correct 18 ms 21732 KB Output is correct
33 Correct 21 ms 21676 KB Output is correct
34 Correct 17 ms 21736 KB Output is correct
35 Correct 22 ms 21716 KB Output is correct
36 Correct 17 ms 21844 KB Output is correct
37 Correct 19 ms 21920 KB Output is correct
38 Correct 18 ms 21868 KB Output is correct
39 Correct 17 ms 21860 KB Output is correct
40 Correct 17 ms 21740 KB Output is correct
41 Correct 17 ms 21716 KB Output is correct
42 Correct 17 ms 21820 KB Output is correct
43 Correct 17 ms 21856 KB Output is correct
44 Correct 18 ms 21900 KB Output is correct
45 Correct 17 ms 21916 KB Output is correct
46 Correct 19 ms 22100 KB Output is correct
47 Correct 18 ms 22104 KB Output is correct
48 Correct 18 ms 21988 KB Output is correct
49 Correct 19 ms 22092 KB Output is correct
50 Correct 18 ms 21968 KB Output is correct
51 Correct 16 ms 21956 KB Output is correct
52 Correct 17 ms 22092 KB Output is correct
53 Correct 16 ms 21964 KB Output is correct
54 Correct 20 ms 21964 KB Output is correct
55 Correct 21 ms 22732 KB Output is correct
56 Correct 36 ms 26572 KB Output is correct
57 Correct 57 ms 30172 KB Output is correct
58 Correct 72 ms 32588 KB Output is correct
59 Correct 88 ms 36188 KB Output is correct
60 Correct 116 ms 39748 KB Output is correct
61 Correct 125 ms 42552 KB Output is correct
62 Correct 138 ms 44724 KB Output is correct
63 Correct 165 ms 49208 KB Output is correct
64 Correct 176 ms 50436 KB Output is correct
65 Correct 87 ms 42756 KB Output is correct
66 Correct 87 ms 42740 KB Output is correct
67 Correct 86 ms 42692 KB Output is correct
68 Correct 141 ms 48492 KB Output is correct
69 Correct 158 ms 49192 KB Output is correct
70 Correct 156 ms 49260 KB Output is correct
71 Correct 175 ms 64612 KB Output is correct
72 Correct 176 ms 64696 KB Output is correct
73 Correct 155 ms 61408 KB Output is correct
74 Correct 159 ms 61924 KB Output is correct
75 Correct 153 ms 60180 KB Output is correct
76 Correct 156 ms 60304 KB Output is correct
77 Correct 169 ms 59568 KB Output is correct
78 Correct 165 ms 58648 KB Output is correct
79 Correct 172 ms 55936 KB Output is correct