답안 #46979 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
46979	2018-04-25T16:13:20 Z	ngkan146	Fireworks (APIO16_fireworks)	C++11	26 / 100	21 ms	18516 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];
// numkid = startslope ?
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 <int> 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:44:18: 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:64:18: 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	14 ms	16760 KB	Output is correct
2	Correct	15 ms	16868 KB	Output is correct
3	Correct	15 ms	16920 KB	Output is correct
4	Correct	15 ms	17124 KB	Output is correct
5	Correct	15 ms	17124 KB	Output is correct
6	Correct	14 ms	17124 KB	Output is correct
7	Correct	14 ms	17124 KB	Output is correct
8	Correct	16 ms	17124 KB	Output is correct
9	Correct	15 ms	17124 KB	Output is correct
10	Correct	15 ms	17124 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	17124 KB	Output is correct
2	Correct	15 ms	17124 KB	Output is correct
3	Correct	15 ms	17124 KB	Output is correct
4	Correct	14 ms	17124 KB	Output is correct
5	Correct	19 ms	17124 KB	Output is correct
6	Correct	15 ms	17124 KB	Output is correct
7	Correct	19 ms	17124 KB	Output is correct
8	Correct	15 ms	17124 KB	Output is correct
9	Correct	15 ms	17124 KB	Output is correct
10	Correct	14 ms	17216 KB	Output is correct
11	Correct	16 ms	17216 KB	Output is correct
12	Correct	15 ms	17216 KB	Output is correct
13	Correct	16 ms	17216 KB	Output is correct
14	Correct	15 ms	17216 KB	Output is correct
15	Correct	18 ms	17216 KB	Output is correct
16	Correct	15 ms	17216 KB	Output is correct
17	Correct	15 ms	17216 KB	Output is correct
18	Correct	15 ms	17216 KB	Output is correct
19	Correct	15 ms	17216 KB	Output is correct

Subtask #3
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	16760 KB	Output is correct
2	Correct	15 ms	16868 KB	Output is correct
3	Correct	15 ms	16920 KB	Output is correct
4	Correct	15 ms	17124 KB	Output is correct
5	Correct	15 ms	17124 KB	Output is correct
6	Correct	14 ms	17124 KB	Output is correct
7	Correct	14 ms	17124 KB	Output is correct
8	Correct	16 ms	17124 KB	Output is correct
9	Correct	15 ms	17124 KB	Output is correct
10	Correct	15 ms	17124 KB	Output is correct
11	Correct	15 ms	17124 KB	Output is correct
12	Correct	15 ms	17124 KB	Output is correct
13	Correct	15 ms	17124 KB	Output is correct
14	Correct	14 ms	17124 KB	Output is correct
15	Correct	19 ms	17124 KB	Output is correct
16	Correct	15 ms	17124 KB	Output is correct
17	Correct	19 ms	17124 KB	Output is correct
18	Correct	15 ms	17124 KB	Output is correct
19	Correct	15 ms	17124 KB	Output is correct
20	Correct	14 ms	17216 KB	Output is correct
21	Correct	16 ms	17216 KB	Output is correct
22	Correct	15 ms	17216 KB	Output is correct
23	Correct	16 ms	17216 KB	Output is correct
24	Correct	15 ms	17216 KB	Output is correct
25	Correct	18 ms	17216 KB	Output is correct
26	Correct	15 ms	17216 KB	Output is correct
27	Correct	15 ms	17216 KB	Output is correct
28	Correct	15 ms	17216 KB	Output is correct
29	Correct	15 ms	17216 KB	Output is correct
30	Correct	15 ms	17216 KB	Output is correct
31	Correct	16 ms	17216 KB	Output is correct
32	Correct	16 ms	17216 KB	Output is correct
33	Correct	16 ms	17364 KB	Output is correct
34	Correct	17 ms	17400 KB	Output is correct
35	Correct	18 ms	17636 KB	Output is correct
36	Correct	18 ms	17636 KB	Output is correct
37	Correct	19 ms	17840 KB	Output is correct
38	Correct	19 ms	17840 KB	Output is correct
39	Correct	21 ms	17904 KB	Output is correct
40	Incorrect	18 ms	18516 KB	Output isn't correct
41	Halted	0 ms	0 KB	-

Subtask #4
0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	16760 KB	Output is correct
2	Correct	15 ms	16868 KB	Output is correct
3	Correct	15 ms	16920 KB	Output is correct
4	Correct	15 ms	17124 KB	Output is correct
5	Correct	15 ms	17124 KB	Output is correct
6	Correct	14 ms	17124 KB	Output is correct
7	Correct	14 ms	17124 KB	Output is correct
8	Correct	16 ms	17124 KB	Output is correct
9	Correct	15 ms	17124 KB	Output is correct
10	Correct	15 ms	17124 KB	Output is correct
11	Correct	15 ms	17124 KB	Output is correct
12	Correct	15 ms	17124 KB	Output is correct
13	Correct	15 ms	17124 KB	Output is correct
14	Correct	14 ms	17124 KB	Output is correct
15	Correct	19 ms	17124 KB	Output is correct
16	Correct	15 ms	17124 KB	Output is correct
17	Correct	19 ms	17124 KB	Output is correct
18	Correct	15 ms	17124 KB	Output is correct
19	Correct	15 ms	17124 KB	Output is correct
20	Correct	14 ms	17216 KB	Output is correct
21	Correct	16 ms	17216 KB	Output is correct
22	Correct	15 ms	17216 KB	Output is correct
23	Correct	16 ms	17216 KB	Output is correct
24	Correct	15 ms	17216 KB	Output is correct
25	Correct	18 ms	17216 KB	Output is correct
26	Correct	15 ms	17216 KB	Output is correct
27	Correct	15 ms	17216 KB	Output is correct
28	Correct	15 ms	17216 KB	Output is correct
29	Correct	15 ms	17216 KB	Output is correct
30	Correct	15 ms	17216 KB	Output is correct
31	Correct	16 ms	17216 KB	Output is correct
32	Correct	16 ms	17216 KB	Output is correct
33	Correct	16 ms	17364 KB	Output is correct
34	Correct	17 ms	17400 KB	Output is correct
35	Correct	18 ms	17636 KB	Output is correct
36	Correct	18 ms	17636 KB	Output is correct
37	Correct	19 ms	17840 KB	Output is correct
38	Correct	19 ms	17840 KB	Output is correct
39	Correct	21 ms	17904 KB	Output is correct
40	Incorrect	18 ms	18516 KB	Output isn't correct
41	Halted	0 ms	0 KB	-

답안 #46979

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 0 / 29.0

Subtask #4 0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
0 / 29.0

Subtask #4
0 / 45.0