oj.uz

Submission #471805

# Submission time Handle Problem Language Result Execution time Memory
471805 2021-09-10T22:22:24 Z Windazz Fireworks (APIO16_fireworks) C++14
55 / 100
 2000 ms 97880 KB 
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>

#define x first
#define y second
#define ndl '\n'
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define up_b upper_bound
#define low_b lower_bound
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

using namespace std;
//using namespace __gnu_pbds;

//template<typename T> using indexed_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());//uniform_int_distribution<int> (l, r)

typedef long long ll;
typedef long double ld;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
typedef pair<int, ull> piu;
typedef vector<vector<int>> matrix;

const ll INF = 1e18 + 123;
const ld EPS = 1e-9;
const int inf = 1e9 + 123;
const int MOD = 1e9 + 7;
const int N = 3e5 + 123;
const int M = 1e6 + 123;
const double pi = 3.14159265359;
const int dx[] = {0, 0, 1, -1};
const int dy[] = {1, -1, 0, 0};

struct node{
    ll a = 0, b = 0;
    priority_queue<ll> q;
    node operator+(node &a)const{
        node res = *this;
        res.a += a.a;
        res.b += a.b;
        if (sz(res.q) < sz(a.q)){
            swap(res.q, a.q);
        }
        while (!a.q.empty()){
            res.q.push(a.q.top());
            a.q.pop();
        }
        return res;
    }
}dp[N];

vector<int> g[N];

int c[N];

void dfs(int v){
    if (g[v].empty()){
        dp[v].a = -1;
        dp[v].b = c[v];
        dp[v].q.push(c[v]);
        dp[v].q.push(c[v]);
        return;
    }
    for (int to : g[v]){
        dfs(to);
        dp[v] = dp[v] + dp[to];
    }
    while (dp[v].a + sz(dp[v].q) > 1){
        dp[v].q.pop();
    }
    ll x1 = dp[v].q.top();
    dp[v].q.pop();
    ll x2 = dp[v].q.top();
    dp[v].q.pop();

    dp[v].b += c[v];
    dp[v].q.push(x1+c[v]);
    dp[v].q.push(x2+c[v]);

}
    
void solve(){
    int n, m;
    cin >> n >> m;
    for (int i = 2, p; i <= n+m; i++){
        cin >> p >> c[i];
        g[p].pb(i);
    }
    dfs(1);

    vector<ll> v;
    while (!dp[1].q.empty()) {
        v.push_back(dp[1].q.top());
        dp[1].q.pop();
    }
    v.pb(0);

    for (int i = sz(v)-2; dp[1].a < 0; i--, dp[1].a++){
        dp[1].b += (v[i] - v[i+1]) * dp[1].a;
    }
    cout << dp[1].b;


}

int main(){
    #ifdef me
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;  
    //cin >> t;
    for (int i = 1; i <= t; i++){
        //cout << "Case #" << i << ": ";
        solve();
    }
    #ifdef KAZAKH
      //  cout << endl << 1.0 * clock() / CLOCKS_PER_SEC << endl;
    #endif
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 21472 KB Output is correct
2 Correct 11 ms 21468 KB Output is correct
3 Correct 12 ms 21416 KB Output is correct
4 Correct 12 ms 21516 KB Output is correct
5 Correct 12 ms 21484 KB Output is correct
6 Correct 12 ms 21464 KB Output is correct
7 Correct 12 ms 21456 KB Output is correct
8 Correct 12 ms 21452 KB Output is correct
9 Correct 12 ms 21452 KB Output is correct
10 Correct 12 ms 21464 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21372 KB Output is correct
2 Correct 12 ms 21436 KB Output is correct
3 Correct 12 ms 21452 KB Output is correct
4 Correct 12 ms 21452 KB Output is correct
5 Correct 14 ms 21580 KB Output is correct
6 Correct 12 ms 21452 KB Output is correct
7 Correct 11 ms 21420 KB Output is correct
8 Correct 12 ms 21452 KB Output is correct
9 Correct 12 ms 21500 KB Output is correct
10 Correct 12 ms 21380 KB Output is correct
11 Correct 12 ms 21380 KB Output is correct
12 Correct 12 ms 21392 KB Output is correct
13 Correct 12 ms 21452 KB Output is correct
14 Correct 12 ms 21456 KB Output is correct
15 Correct 12 ms 21396 KB Output is correct
16 Correct 12 ms 21452 KB Output is correct
17 Correct 12 ms 21412 KB Output is correct
18 Correct 12 ms 21452 KB Output is correct
19 Correct 12 ms 21464 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 21472 KB Output is correct
2 Correct 11 ms 21468 KB Output is correct
3 Correct 12 ms 21416 KB Output is correct
4 Correct 12 ms 21516 KB Output is correct
5 Correct 12 ms 21484 KB Output is correct
6 Correct 12 ms 21464 KB Output is correct
7 Correct 12 ms 21456 KB Output is correct
8 Correct 12 ms 21452 KB Output is correct
9 Correct 12 ms 21452 KB Output is correct
10 Correct 12 ms 21464 KB Output is correct
11 Correct 11 ms 21372 KB Output is correct
12 Correct 12 ms 21436 KB Output is correct
13 Correct 12 ms 21452 KB Output is correct
14 Correct 12 ms 21452 KB Output is correct
15 Correct 14 ms 21580 KB Output is correct
16 Correct 12 ms 21452 KB Output is correct
17 Correct 11 ms 21420 KB Output is correct
18 Correct 12 ms 21452 KB Output is correct
19 Correct 12 ms 21500 KB Output is correct
20 Correct 12 ms 21380 KB Output is correct
21 Correct 12 ms 21380 KB Output is correct
22 Correct 12 ms 21392 KB Output is correct
23 Correct 12 ms 21452 KB Output is correct
24 Correct 12 ms 21456 KB Output is correct
25 Correct 12 ms 21396 KB Output is correct
26 Correct 12 ms 21452 KB Output is correct
27 Correct 12 ms 21412 KB Output is correct
28 Correct 12 ms 21452 KB Output is correct
29 Correct 12 ms 21464 KB Output is correct
30 Correct 14 ms 21528 KB Output is correct
31 Correct 12 ms 21580 KB Output is correct
32 Correct 13 ms 21628 KB Output is correct
33 Correct 13 ms 21708 KB Output is correct
34 Correct 14 ms 21732 KB Output is correct
35 Correct 13 ms 21700 KB Output is correct
36 Correct 14 ms 21864 KB Output is correct
37 Correct 15 ms 21876 KB Output is correct
38 Correct 16 ms 21852 KB Output is correct
39 Correct 15 ms 21864 KB Output is correct
40 Correct 14 ms 22732 KB Output is correct
41 Correct 16 ms 22732 KB Output is correct
42 Correct 14 ms 21680 KB Output is correct
43 Correct 17 ms 22344 KB Output is correct
44 Correct 18 ms 22220 KB Output is correct
45 Correct 17 ms 22220 KB Output is correct
46 Correct 17 ms 22092 KB Output is correct
47 Correct 17 ms 22052 KB Output is correct
48 Correct 21 ms 22056 KB Output is correct
49 Correct 22 ms 22152 KB Output is correct
50 Correct 25 ms 21968 KB Output is correct
51 Correct 26 ms 21944 KB Output is correct
52 Correct 23 ms 22076 KB Output is correct
53 Correct 20 ms 21952 KB Output is correct
54 Correct 39 ms 22188 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 21472 KB Output is correct
2 Correct 11 ms 21468 KB Output is correct
3 Correct 12 ms 21416 KB Output is correct
4 Correct 12 ms 21516 KB Output is correct
5 Correct 12 ms 21484 KB Output is correct
6 Correct 12 ms 21464 KB Output is correct
7 Correct 12 ms 21456 KB Output is correct
8 Correct 12 ms 21452 KB Output is correct
9 Correct 12 ms 21452 KB Output is correct
10 Correct 12 ms 21464 KB Output is correct
11 Correct 11 ms 21372 KB Output is correct
12 Correct 12 ms 21436 KB Output is correct
13 Correct 12 ms 21452 KB Output is correct
14 Correct 12 ms 21452 KB Output is correct
15 Correct 14 ms 21580 KB Output is correct
16 Correct 12 ms 21452 KB Output is correct
17 Correct 11 ms 21420 KB Output is correct
18 Correct 12 ms 21452 KB Output is correct
19 Correct 12 ms 21500 KB Output is correct
20 Correct 12 ms 21380 KB Output is correct
21 Correct 12 ms 21380 KB Output is correct
22 Correct 12 ms 21392 KB Output is correct
23 Correct 12 ms 21452 KB Output is correct
24 Correct 12 ms 21456 KB Output is correct
25 Correct 12 ms 21396 KB Output is correct
26 Correct 12 ms 21452 KB Output is correct
27 Correct 12 ms 21412 KB Output is correct
28 Correct 12 ms 21452 KB Output is correct
29 Correct 12 ms 21464 KB Output is correct
30 Correct 14 ms 21528 KB Output is correct
31 Correct 12 ms 21580 KB Output is correct
32 Correct 13 ms 21628 KB Output is correct
33 Correct 13 ms 21708 KB Output is correct
34 Correct 14 ms 21732 KB Output is correct
35 Correct 13 ms 21700 KB Output is correct
36 Correct 14 ms 21864 KB Output is correct
37 Correct 15 ms 21876 KB Output is correct
38 Correct 16 ms 21852 KB Output is correct
39 Correct 15 ms 21864 KB Output is correct
40 Correct 14 ms 22732 KB Output is correct
41 Correct 16 ms 22732 KB Output is correct
42 Correct 14 ms 21680 KB Output is correct
43 Correct 17 ms 22344 KB Output is correct
44 Correct 18 ms 22220 KB Output is correct
45 Correct 17 ms 22220 KB Output is correct
46 Correct 17 ms 22092 KB Output is correct
47 Correct 17 ms 22052 KB Output is correct
48 Correct 21 ms 22056 KB Output is correct
49 Correct 22 ms 22152 KB Output is correct
50 Correct 25 ms 21968 KB Output is correct
51 Correct 26 ms 21944 KB Output is correct
52 Correct 23 ms 22076 KB Output is correct
53 Correct 20 ms 21952 KB Output is correct
54 Correct 39 ms 22188 KB Output is correct
55 Correct 21 ms 22492 KB Output is correct
56 Correct 59 ms 25652 KB Output is correct
57 Correct 99 ms 28448 KB Output is correct
58 Correct 139 ms 30840 KB Output is correct
59 Correct 197 ms 33448 KB Output is correct
60 Correct 236 ms 36060 KB Output is correct
61 Correct 268 ms 38188 KB Output is correct
62 Correct 313 ms 40172 KB Output is correct
63 Correct 321 ms 43240 KB Output is correct
64 Correct 418 ms 44852 KB Output is correct
65 Correct 151 ms 97860 KB Output is correct
66 Correct 150 ms 97880 KB Output is correct
67 Correct 144 ms 37088 KB Output is correct
68 Execution timed out 2091 ms 67860 KB Time limit exceeded
69 Halted 0 ms 0 KB -