답안 #46980 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
46980	2018-04-25T16:14:48 Z	ngkan146	Fireworks (APIO16_fireworks)	C++11	100 / 100	348 ms	132212 KB

fireworks

#include <bits/stdc++.h>
#define ll long long
using namespace std;
int n,m;
ll c[300005];
priority_queue<ll> slope[300005];
vector <ll> G[300005];
ll val[300005];
void dfs(int u){
    if (u > n){
        return;
    }

    for(auto v: G[u]){
        dfs(v);
        val[u] += val[v] + c[v];
        if (v > n){
            slope[v].push(c[v]);
            slope[v].push(c[v]);
        }
        else{
            ll x = slope[v].top();
            slope[v].pop();
            ll y = slope[v].top();
            slope[v].pop();

            slope[v].push(x + c[v]);
            slope[v].push(y + c[v]);
        }
    }

    for(auto v: G[u]){
        if (slope[v].size() > slope[u].size())
            slope[u].swap(slope[v]);
    }

    for(auto v: G[u]){
        while(slope[v].size())
            slope[u].push(slope[v].top()),
            slope[v].pop();
    }

    for(int _=0;_<G[u].size()-1;_++)
        slope[u].pop();

}
int main(){
    iostream::sync_with_stdio(0);
    cin >> n >> m;
    for(int i=2;i<=n+m;i++){
        int p;
        cin >> p >> c[i];
        G[p].push_back(i);
    }
    dfs(1);
    vector <ll> mjk;
    while(!slope[1].empty()){
        mjk.push_back(slope[1].top());
        slope[1].pop();
    }
    mjk.push_back(0);
    reverse(mjk.begin(), mjk.end());
    for(int i=1;i<mjk.size();i++){
        val[1] -= 1ll * (m+1-i) * (mjk[i] - mjk[i-1]);
    }
    cout << val[1];
}

Compilation message

fireworks.cpp: In function 'void dfs(int)':
fireworks.cpp:43:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int _=0;_<G[u].size()-1;_++)
                 ~^~~~~~~~~~~~~~
fireworks.cpp: In function 'int main()':
fireworks.cpp:63:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1;i<mjk.size();i++){
                 ~^~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	16760 KB	Output is correct
2	Correct	15 ms	16868 KB	Output is correct
3	Correct	16 ms	16868 KB	Output is correct
4	Correct	15 ms	17096 KB	Output is correct
5	Correct	15 ms	17096 KB	Output is correct
6	Correct	15 ms	17096 KB	Output is correct
7	Correct	15 ms	17096 KB	Output is correct
8	Correct	15 ms	17096 KB	Output is correct
9	Correct	16 ms	17096 KB	Output is correct
10	Correct	15 ms	17096 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	17096 KB	Output is correct
2	Correct	14 ms	17096 KB	Output is correct
3	Correct	15 ms	17096 KB	Output is correct
4	Correct	16 ms	17096 KB	Output is correct
5	Correct	14 ms	17096 KB	Output is correct
6	Correct	16 ms	17096 KB	Output is correct
7	Correct	15 ms	17096 KB	Output is correct
8	Correct	15 ms	17096 KB	Output is correct
9	Correct	15 ms	17096 KB	Output is correct
10	Correct	15 ms	17096 KB	Output is correct
11	Correct	14 ms	17096 KB	Output is correct
12	Correct	15 ms	17148 KB	Output is correct
13	Correct	16 ms	17148 KB	Output is correct
14	Correct	15 ms	17148 KB	Output is correct
15	Correct	14 ms	17148 KB	Output is correct
16	Correct	15 ms	17148 KB	Output is correct
17	Correct	14 ms	17148 KB	Output is correct
18	Correct	15 ms	17148 KB	Output is correct
19	Correct	14 ms	17148 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	16760 KB	Output is correct
2	Correct	15 ms	16868 KB	Output is correct
3	Correct	16 ms	16868 KB	Output is correct
4	Correct	15 ms	17096 KB	Output is correct
5	Correct	15 ms	17096 KB	Output is correct
6	Correct	15 ms	17096 KB	Output is correct
7	Correct	15 ms	17096 KB	Output is correct
8	Correct	15 ms	17096 KB	Output is correct
9	Correct	16 ms	17096 KB	Output is correct
10	Correct	15 ms	17096 KB	Output is correct
11	Correct	15 ms	17096 KB	Output is correct
12	Correct	14 ms	17096 KB	Output is correct
13	Correct	15 ms	17096 KB	Output is correct
14	Correct	16 ms	17096 KB	Output is correct
15	Correct	14 ms	17096 KB	Output is correct
16	Correct	16 ms	17096 KB	Output is correct
17	Correct	15 ms	17096 KB	Output is correct
18	Correct	15 ms	17096 KB	Output is correct
19	Correct	15 ms	17096 KB	Output is correct
20	Correct	15 ms	17096 KB	Output is correct
21	Correct	14 ms	17096 KB	Output is correct
22	Correct	15 ms	17148 KB	Output is correct
23	Correct	16 ms	17148 KB	Output is correct
24	Correct	15 ms	17148 KB	Output is correct
25	Correct	14 ms	17148 KB	Output is correct
26	Correct	15 ms	17148 KB	Output is correct
27	Correct	14 ms	17148 KB	Output is correct
28	Correct	15 ms	17148 KB	Output is correct
29	Correct	14 ms	17148 KB	Output is correct
30	Correct	16 ms	17148 KB	Output is correct
31	Correct	15 ms	17148 KB	Output is correct
32	Correct	18 ms	17148 KB	Output is correct
33	Correct	16 ms	17148 KB	Output is correct
34	Correct	17 ms	17276 KB	Output is correct
35	Correct	17 ms	17276 KB	Output is correct
36	Correct	23 ms	17276 KB	Output is correct
37	Correct	18 ms	17404 KB	Output is correct
38	Correct	19 ms	17404 KB	Output is correct
39	Correct	18 ms	17404 KB	Output is correct
40	Correct	17 ms	17916 KB	Output is correct
41	Correct	17 ms	17948 KB	Output is correct
42	Correct	18 ms	17948 KB	Output is correct
43	Correct	19 ms	17948 KB	Output is correct
44	Correct	19 ms	17948 KB	Output is correct
45	Correct	20 ms	18084 KB	Output is correct
46	Correct	20 ms	18120 KB	Output is correct
47	Correct	19 ms	18200 KB	Output is correct
48	Correct	18 ms	18200 KB	Output is correct
49	Correct	18 ms	18200 KB	Output is correct
50	Correct	18 ms	18200 KB	Output is correct
51	Correct	17 ms	18200 KB	Output is correct
52	Correct	18 ms	18372 KB	Output is correct
53	Correct	19 ms	18432 KB	Output is correct
54	Correct	23 ms	18500 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	16760 KB	Output is correct
2	Correct	15 ms	16868 KB	Output is correct
3	Correct	16 ms	16868 KB	Output is correct
4	Correct	15 ms	17096 KB	Output is correct
5	Correct	15 ms	17096 KB	Output is correct
6	Correct	15 ms	17096 KB	Output is correct
7	Correct	15 ms	17096 KB	Output is correct
8	Correct	15 ms	17096 KB	Output is correct
9	Correct	16 ms	17096 KB	Output is correct
10	Correct	15 ms	17096 KB	Output is correct
11	Correct	15 ms	17096 KB	Output is correct
12	Correct	14 ms	17096 KB	Output is correct
13	Correct	15 ms	17096 KB	Output is correct
14	Correct	16 ms	17096 KB	Output is correct
15	Correct	14 ms	17096 KB	Output is correct
16	Correct	16 ms	17096 KB	Output is correct
17	Correct	15 ms	17096 KB	Output is correct
18	Correct	15 ms	17096 KB	Output is correct
19	Correct	15 ms	17096 KB	Output is correct
20	Correct	15 ms	17096 KB	Output is correct
21	Correct	14 ms	17096 KB	Output is correct
22	Correct	15 ms	17148 KB	Output is correct
23	Correct	16 ms	17148 KB	Output is correct
24	Correct	15 ms	17148 KB	Output is correct
25	Correct	14 ms	17148 KB	Output is correct
26	Correct	15 ms	17148 KB	Output is correct
27	Correct	14 ms	17148 KB	Output is correct
28	Correct	15 ms	17148 KB	Output is correct
29	Correct	14 ms	17148 KB	Output is correct
30	Correct	16 ms	17148 KB	Output is correct
31	Correct	15 ms	17148 KB	Output is correct
32	Correct	18 ms	17148 KB	Output is correct
33	Correct	16 ms	17148 KB	Output is correct
34	Correct	17 ms	17276 KB	Output is correct
35	Correct	17 ms	17276 KB	Output is correct
36	Correct	23 ms	17276 KB	Output is correct
37	Correct	18 ms	17404 KB	Output is correct
38	Correct	19 ms	17404 KB	Output is correct
39	Correct	18 ms	17404 KB	Output is correct
40	Correct	17 ms	17916 KB	Output is correct
41	Correct	17 ms	17948 KB	Output is correct
42	Correct	18 ms	17948 KB	Output is correct
43	Correct	19 ms	17948 KB	Output is correct
44	Correct	19 ms	17948 KB	Output is correct
45	Correct	20 ms	18084 KB	Output is correct
46	Correct	20 ms	18120 KB	Output is correct
47	Correct	19 ms	18200 KB	Output is correct
48	Correct	18 ms	18200 KB	Output is correct
49	Correct	18 ms	18200 KB	Output is correct
50	Correct	18 ms	18200 KB	Output is correct
51	Correct	17 ms	18200 KB	Output is correct
52	Correct	18 ms	18372 KB	Output is correct
53	Correct	19 ms	18432 KB	Output is correct
54	Correct	23 ms	18500 KB	Output is correct
55	Correct	28 ms	19200 KB	Output is correct
56	Correct	58 ms	22336 KB	Output is correct
57	Correct	96 ms	25768 KB	Output is correct
58	Correct	126 ms	29480 KB	Output is correct
59	Correct	174 ms	33684 KB	Output is correct
60	Correct	211 ms	38612 KB	Output is correct
61	Correct	274 ms	43980 KB	Output is correct
62	Correct	276 ms	48876 KB	Output is correct
63	Correct	335 ms	55792 KB	Output is correct
64	Correct	347 ms	61176 KB	Output is correct
65	Correct	250 ms	98856 KB	Output is correct
66	Correct	156 ms	103744 KB	Output is correct
67	Correct	184 ms	103744 KB	Output is correct
68	Correct	238 ms	103744 KB	Output is correct
69	Correct	283 ms	103744 KB	Output is correct
70	Correct	311 ms	104316 KB	Output is correct
71	Correct	287 ms	108032 KB	Output is correct
72	Correct	286 ms	112196 KB	Output is correct
73	Correct	262 ms	113096 KB	Output is correct
74	Correct	282 ms	117144 KB	Output is correct
75	Correct	258 ms	119696 KB	Output is correct
76	Correct	285 ms	123772 KB	Output is correct
77	Correct	329 ms	126196 KB	Output is correct
78	Correct	317 ms	129692 KB	Output is correct
79	Correct	348 ms	132212 KB	Output is correct

답안 #46980

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 45.0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
45.0 / 45.0