Submission #671077

# Submission time Handle Problem Language Result Execution time Memory
671077 2022-12-11T22:34:22 Z AdamGS Fireworks (APIO16_fireworks) C++17
100 / 100
218 ms 54264 KB
    #pragma GCC optimize("O3,unroll-loops")
    #include<iostream>
    #include<vector>
    #include<algorithm>
    #include<queue>
                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:26:27: 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]
   26 |             for(int i=1; i<V[x].size(); ++i) {
      |                          ~^~~~~~~~~~~~
fireworks.cpp:9:40: 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]
    9 |     #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                        ^
fireworks.cpp:35:13: note: in expansion of macro 'rep'
   35 |             rep(i, V[x].size()-1) q.pop();
      |             ^~~
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7316 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 5 ms 7252 KB Output is correct
9 Correct 4 ms 7252 KB Output is correct
10 Correct 4 ms 7252 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7252 KB Output is correct
2 Correct 4 ms 7252 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 4 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct
9 Correct 4 ms 7304 KB Output is correct
10 Correct 4 ms 7252 KB Output is correct
11 Correct 4 ms 7252 KB Output is correct
12 Correct 4 ms 7380 KB Output is correct
13 Correct 4 ms 7380 KB Output is correct
14 Correct 5 ms 7392 KB Output is correct
15 Correct 4 ms 7380 KB Output is correct
16 Correct 4 ms 7380 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 7380 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7316 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 5 ms 7252 KB Output is correct
9 Correct 4 ms 7252 KB Output is correct
10 Correct 4 ms 7252 KB Output is correct
11 Correct 4 ms 7252 KB Output is correct
12 Correct 4 ms 7252 KB Output is correct
13 Correct 4 ms 7252 KB Output is correct
14 Correct 4 ms 7252 KB Output is correct
15 Correct 4 ms 7252 KB Output is correct
16 Correct 4 ms 7252 KB Output is correct
17 Correct 4 ms 7252 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 4 ms 7304 KB Output is correct
20 Correct 4 ms 7252 KB Output is correct
21 Correct 4 ms 7252 KB Output is correct
22 Correct 4 ms 7380 KB Output is correct
23 Correct 4 ms 7380 KB Output is correct
24 Correct 5 ms 7392 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 4 ms 7380 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 7380 KB Output is correct
30 Correct 6 ms 7380 KB Output is correct
31 Correct 5 ms 7384 KB Output is correct
32 Correct 5 ms 7380 KB Output is correct
33 Correct 5 ms 7452 KB Output is correct
34 Correct 5 ms 7508 KB Output is correct
35 Correct 6 ms 7544 KB Output is correct
36 Correct 6 ms 7508 KB Output is correct
37 Correct 6 ms 7540 KB Output is correct
38 Correct 9 ms 7508 KB Output is correct
39 Correct 7 ms 7508 KB Output is correct
40 Correct 6 ms 8080 KB Output is correct
41 Correct 6 ms 8020 KB Output is correct
42 Correct 5 ms 7508 KB Output is correct
43 Correct 6 ms 7892 KB Output is correct
44 Correct 7 ms 7788 KB Output is correct
45 Correct 6 ms 7848 KB Output is correct
46 Correct 7 ms 7764 KB Output is correct
47 Correct 7 ms 7764 KB Output is correct
48 Correct 6 ms 7764 KB Output is correct
49 Correct 7 ms 7752 KB Output is correct
50 Correct 6 ms 7764 KB Output is correct
51 Correct 6 ms 7636 KB Output is correct
52 Correct 6 ms 7636 KB Output is correct
53 Correct 7 ms 7764 KB Output is correct
54 Correct 7 ms 7764 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7316 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 5 ms 7252 KB Output is correct
9 Correct 4 ms 7252 KB Output is correct
10 Correct 4 ms 7252 KB Output is correct
11 Correct 4 ms 7252 KB Output is correct
12 Correct 4 ms 7252 KB Output is correct
13 Correct 4 ms 7252 KB Output is correct
14 Correct 4 ms 7252 KB Output is correct
15 Correct 4 ms 7252 KB Output is correct
16 Correct 4 ms 7252 KB Output is correct
17 Correct 4 ms 7252 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 4 ms 7304 KB Output is correct
20 Correct 4 ms 7252 KB Output is correct
21 Correct 4 ms 7252 KB Output is correct
22 Correct 4 ms 7380 KB Output is correct
23 Correct 4 ms 7380 KB Output is correct
24 Correct 5 ms 7392 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 4 ms 7380 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 7380 KB Output is correct
30 Correct 6 ms 7380 KB Output is correct
31 Correct 5 ms 7384 KB Output is correct
32 Correct 5 ms 7380 KB Output is correct
33 Correct 5 ms 7452 KB Output is correct
34 Correct 5 ms 7508 KB Output is correct
35 Correct 6 ms 7544 KB Output is correct
36 Correct 6 ms 7508 KB Output is correct
37 Correct 6 ms 7540 KB Output is correct
38 Correct 9 ms 7508 KB Output is correct
39 Correct 7 ms 7508 KB Output is correct
40 Correct 6 ms 8080 KB Output is correct
41 Correct 6 ms 8020 KB Output is correct
42 Correct 5 ms 7508 KB Output is correct
43 Correct 6 ms 7892 KB Output is correct
44 Correct 7 ms 7788 KB Output is correct
45 Correct 6 ms 7848 KB Output is correct
46 Correct 7 ms 7764 KB Output is correct
47 Correct 7 ms 7764 KB Output is correct
48 Correct 6 ms 7764 KB Output is correct
49 Correct 7 ms 7752 KB Output is correct
50 Correct 6 ms 7764 KB Output is correct
51 Correct 6 ms 7636 KB Output is correct
52 Correct 6 ms 7636 KB Output is correct
53 Correct 7 ms 7764 KB Output is correct
54 Correct 7 ms 7764 KB Output is correct
55 Correct 10 ms 8020 KB Output is correct
56 Correct 30 ms 9816 KB Output is correct
57 Correct 50 ms 10956 KB Output is correct
58 Correct 61 ms 12364 KB Output is correct
59 Correct 84 ms 13664 KB Output is correct
60 Correct 107 ms 15368 KB Output is correct
61 Correct 155 ms 17032 KB Output is correct
62 Correct 138 ms 17760 KB Output is correct
63 Correct 170 ms 19096 KB Output is correct
64 Correct 178 ms 19712 KB Output is correct
65 Correct 93 ms 54196 KB Output is correct
66 Correct 96 ms 54264 KB Output is correct
67 Correct 87 ms 16844 KB Output is correct
68 Correct 165 ms 41628 KB Output is correct
69 Correct 180 ms 39216 KB Output is correct
70 Correct 185 ms 39216 KB Output is correct
71 Correct 218 ms 31244 KB Output is correct
72 Correct 214 ms 31308 KB Output is correct
73 Correct 195 ms 30492 KB Output is correct
74 Correct 192 ms 30476 KB Output is correct
75 Correct 191 ms 29720 KB Output is correct
76 Correct 197 ms 29700 KB Output is correct
77 Correct 199 ms 29740 KB Output is correct
78 Correct 198 ms 29676 KB Output is correct
79 Correct 195 ms 31320 KB Output is correct