답안 #671075

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
671075	2022-12-11T22:31:42 Z	AdamGS	Fireworks (APIO16_fireworks)	C++17	100 / 100	220 ms	63880 KB

fireworks

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=3e5+7;
vector<pair<int,ll>>V[LIM];
ll n, m, ans;
void DFS2(int x, ll k, priority_queue<ll>&q) {
        ans+=k;
        if(x>=n) {
                q.push(0);
                q.push(k);
                q.push(k);
                return;
        }
        DFS2(V[x][0].st, V[x][0].nd, q);
        for(int i=1; i<V[x].size(); ++i) {
                priority_queue<ll>p;
                DFS2(V[x][i].st, V[x][i].nd, p);
                if(p.size()>q.size()) swap(p, q);
                while(!p.empty()) {
                        q.push(p.top());
                        p.pop();
                }
        }
        rep(i, V[x].size()-1) q.pop();
        ll a=q.top(); q.pop();
        ll b=q.top(); q.pop();
        q.push(a+k); q.push(b+k);
}
int main() {
        ios_base::sync_with_stdio(0); cin.tie(0);
        cin >> n >> m;
        rep(i, n+m-1) {
                ll a, b;
                cin >> a >> b; --a;
                V[a].pb({i+1, b});
        }
        priority_queue<ll>Q;
        DFS2(0, 0, Q);
        Q.pop();
        vector<ll>P;
        while(!Q.empty()) {
                P.pb(Q.top());
                Q.pop();
        }
        for(ll i=P.size()-1; i; --i) ans-=i*(P[i-1]-P[i]);
        cout << ans << '\n';
}

Compilation message

fireworks.cpp: In function 'void DFS2(int, ll, std::priority_queue<long long int>&)':
fireworks.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for(int i=1; i<V[x].size(); ++i) {
      |                      ~^~~~~~~~~~~~
fireworks.cpp:5:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
fireworks.cpp:31:9: note: in expansion of macro 'rep'
   31 |         rep(i, V[x].size()-1) q.pop();
      |         ^~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	6 ms	7320 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7364 KB	Output is correct
6	Correct	4 ms	7252 KB	Output is correct
7	Correct	4 ms	7380 KB	Output is correct
8	Correct	4 ms	7252 KB	Output is correct
9	Correct	4 ms	7364 KB	Output is correct
10	Correct	5 ms	7368 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	4 ms	7368 KB	Output is correct
4	Correct	4 ms	7368 KB	Output is correct
5	Correct	4 ms	7368 KB	Output is correct
6	Correct	4 ms	7252 KB	Output is correct
7	Correct	4 ms	7364 KB	Output is correct
8	Correct	4 ms	7364 KB	Output is correct
9	Correct	4 ms	7252 KB	Output is correct
10	Correct	4 ms	7252 KB	Output is correct
11	Correct	5 ms	7380 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	4 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	5 ms	7292 KB	Output is correct
17	Correct	4 ms	7380 KB	Output is correct
18	Correct	4 ms	7380 KB	Output is correct
19	Correct	4 ms	7284 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	6 ms	7320 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7364 KB	Output is correct
6	Correct	4 ms	7252 KB	Output is correct
7	Correct	4 ms	7380 KB	Output is correct
8	Correct	4 ms	7252 KB	Output is correct
9	Correct	4 ms	7364 KB	Output is correct
10	Correct	5 ms	7368 KB	Output is correct
11	Correct	4 ms	7252 KB	Output is correct
12	Correct	4 ms	7368 KB	Output is correct
13	Correct	4 ms	7368 KB	Output is correct
14	Correct	4 ms	7368 KB	Output is correct
15	Correct	4 ms	7368 KB	Output is correct
16	Correct	4 ms	7252 KB	Output is correct
17	Correct	4 ms	7364 KB	Output is correct
18	Correct	4 ms	7364 KB	Output is correct
19	Correct	4 ms	7252 KB	Output is correct
20	Correct	4 ms	7252 KB	Output is correct
21	Correct	5 ms	7380 KB	Output is correct
22	Correct	4 ms	7380 KB	Output is correct
23	Correct	4 ms	7380 KB	Output is correct
24	Correct	4 ms	7380 KB	Output is correct
25	Correct	4 ms	7380 KB	Output is correct
26	Correct	5 ms	7292 KB	Output is correct
27	Correct	4 ms	7380 KB	Output is correct
28	Correct	4 ms	7380 KB	Output is correct
29	Correct	4 ms	7284 KB	Output is correct
30	Correct	4 ms	7368 KB	Output is correct
31	Correct	4 ms	7380 KB	Output is correct
32	Correct	5 ms	7444 KB	Output is correct
33	Correct	6 ms	7508 KB	Output is correct
34	Correct	5 ms	7504 KB	Output is correct
35	Correct	5 ms	7504 KB	Output is correct
36	Correct	6 ms	7636 KB	Output is correct
37	Correct	6 ms	7636 KB	Output is correct
38	Correct	6 ms	7592 KB	Output is correct
39	Correct	6 ms	7640 KB	Output is correct
40	Correct	6 ms	8276 KB	Output is correct
41	Correct	6 ms	8276 KB	Output is correct
42	Correct	6 ms	7508 KB	Output is correct
43	Correct	6 ms	8020 KB	Output is correct
44	Correct	6 ms	8020 KB	Output is correct
45	Correct	6 ms	8020 KB	Output is correct
46	Correct	7 ms	7840 KB	Output is correct
47	Correct	7 ms	7752 KB	Output is correct
48	Correct	6 ms	7780 KB	Output is correct
49	Correct	7 ms	7764 KB	Output is correct
50	Correct	7 ms	7764 KB	Output is correct
51	Correct	6 ms	7764 KB	Output is correct
52	Correct	6 ms	7716 KB	Output is correct
53	Correct	7 ms	7836 KB	Output is correct
54	Correct	7 ms	7892 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7252 KB	Output is correct
2	Correct	4 ms	7368 KB	Output is correct
3	Correct	6 ms	7320 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7364 KB	Output is correct
6	Correct	4 ms	7252 KB	Output is correct
7	Correct	4 ms	7380 KB	Output is correct
8	Correct	4 ms	7252 KB	Output is correct
9	Correct	4 ms	7364 KB	Output is correct
10	Correct	5 ms	7368 KB	Output is correct
11	Correct	4 ms	7252 KB	Output is correct
12	Correct	4 ms	7368 KB	Output is correct
13	Correct	4 ms	7368 KB	Output is correct
14	Correct	4 ms	7368 KB	Output is correct
15	Correct	4 ms	7368 KB	Output is correct
16	Correct	4 ms	7252 KB	Output is correct
17	Correct	4 ms	7364 KB	Output is correct
18	Correct	4 ms	7364 KB	Output is correct
19	Correct	4 ms	7252 KB	Output is correct
20	Correct	4 ms	7252 KB	Output is correct
21	Correct	5 ms	7380 KB	Output is correct
22	Correct	4 ms	7380 KB	Output is correct
23	Correct	4 ms	7380 KB	Output is correct
24	Correct	4 ms	7380 KB	Output is correct
25	Correct	4 ms	7380 KB	Output is correct
26	Correct	5 ms	7292 KB	Output is correct
27	Correct	4 ms	7380 KB	Output is correct
28	Correct	4 ms	7380 KB	Output is correct
29	Correct	4 ms	7284 KB	Output is correct
30	Correct	4 ms	7368 KB	Output is correct
31	Correct	4 ms	7380 KB	Output is correct
32	Correct	5 ms	7444 KB	Output is correct
33	Correct	6 ms	7508 KB	Output is correct
34	Correct	5 ms	7504 KB	Output is correct
35	Correct	5 ms	7504 KB	Output is correct
36	Correct	6 ms	7636 KB	Output is correct
37	Correct	6 ms	7636 KB	Output is correct
38	Correct	6 ms	7592 KB	Output is correct
39	Correct	6 ms	7640 KB	Output is correct
40	Correct	6 ms	8276 KB	Output is correct
41	Correct	6 ms	8276 KB	Output is correct
42	Correct	6 ms	7508 KB	Output is correct
43	Correct	6 ms	8020 KB	Output is correct
44	Correct	6 ms	8020 KB	Output is correct
45	Correct	6 ms	8020 KB	Output is correct
46	Correct	7 ms	7840 KB	Output is correct
47	Correct	7 ms	7752 KB	Output is correct
48	Correct	6 ms	7780 KB	Output is correct
49	Correct	7 ms	7764 KB	Output is correct
50	Correct	7 ms	7764 KB	Output is correct
51	Correct	6 ms	7764 KB	Output is correct
52	Correct	6 ms	7716 KB	Output is correct
53	Correct	7 ms	7836 KB	Output is correct
54	Correct	7 ms	7892 KB	Output is correct
55	Correct	11 ms	8152 KB	Output is correct
56	Correct	29 ms	10060 KB	Output is correct
57	Correct	47 ms	11124 KB	Output is correct
58	Correct	61 ms	12660 KB	Output is correct
59	Correct	84 ms	13864 KB	Output is correct
60	Correct	117 ms	15652 KB	Output is correct
61	Correct	131 ms	17440 KB	Output is correct
62	Correct	147 ms	18144 KB	Output is correct
63	Correct	170 ms	19464 KB	Output is correct
64	Correct	181 ms	19972 KB	Output is correct
65	Correct	99 ms	63880 KB	Output is correct
66	Correct	100 ms	63880 KB	Output is correct
67	Correct	84 ms	17136 KB	Output is correct
68	Correct	166 ms	46588 KB	Output is correct
69	Correct	184 ms	43572 KB	Output is correct
70	Correct	193 ms	43472 KB	Output is correct
71	Correct	220 ms	31428 KB	Output is correct
72	Correct	211 ms	31548 KB	Output is correct
73	Correct	201 ms	30700 KB	Output is correct
74	Correct	197 ms	30832 KB	Output is correct
75	Correct	191 ms	29948 KB	Output is correct
76	Correct	195 ms	30060 KB	Output is correct
77	Correct	196 ms	30076 KB	Output is correct
78	Correct	202 ms	29928 KB	Output is correct
79	Correct	197 ms	31696 KB	Output is correct

답안 #671075

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