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Submission #1001312

# Submission time Handle Problem Language Result Execution time Memory
1001312 2024-06-18T18:37:07 Z dimashhh Fireworks (APIO16_fireworks) C++17
55 / 100
 911 ms 524288 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int  N = 4e5 + 30, MOD = 1e9 + 7;
#define int ll
int n,m;
vector<pair<int,int>> g[N];
multiset<ll> st[N];
ll h[N],l[N],r[N];
int mx[N];
void merge(int v,int to){
    mx[v]++;
    // if((int)st[v].size() < (int)st[to].size()){
    //     st[v].swap(st[to]);
    // }
    for(int j:st[to]){
        st[v].insert(j);
    }
}
ll dist(int to,ll x){
    if(x >= r[to]){
        return h[to] + x - r[to];
    }
    if(x >= l[to]) return h[to];
    st[to].erase(st[to].find(r[to]));
    ll ret = h[to],f = h[to] + l[to] - x;
    for(ll j:st[to]){
        if(j >= x && j <= l[to]){
            ll val = (j - x);
            ret += val;
        }
    }
    // cout << f << ' ' << ret << "A\n";
    st[to].insert(r[to]);
    return ret;
}
void dfs(int v,int W = 0){
    if(g[v].empty()){
        st[v].insert(W);
        st[v].insert(W);
        mx[v] = 1;
        h[v] = 0;
        l[v] = r[v] = W;
        return;
    }
    for(auto [to,w]:g[v]){
        dfs(to,w);
        merge(v,to);
    }
    while(mx[v] > 1){
        mx[v]--;
        st[v].erase(st[v].find(*st[v].rbegin()));
    }
    ll x = (*st[v].rbegin());
    st[v].erase(st[v].find(*st[v].rbegin()));
    ll y = (*st[v].rbegin());
    st[v].erase(st[v].find(*st[v].rbegin()));
    st[v].insert(x + W);
    st[v].insert(y + W);
    r[v] = (*st[v].rbegin());
    l[v] = (*(++(st[v].rbegin())));
    for(auto [to,w]:g[v]){
        h[v] += dist(to,r[v] - W);
    }
}
void test(){
    cin >> n >> m;
    for(int i = 2;i <= n + m;i++){
        int a,b;
        cin >> a >> b;
        g[a].push_back({i,b});
    }
    dfs(1);
    cout << h[1] << '\n';
}
signed main() {
    ios_base::sync_with_stdio(false);cin.tie(0);
    int t = 1;
    // cin >> t;
    while(t--){
        test();
    }
}

Compilation message

fireworks.cpp: In function 'll dist(ll, ll)':
fireworks.cpp:29:20: warning: unused variable 'f' [-Wunused-variable]
   29 |     ll ret = h[to],f = h[to] + l[to] - x;
      |                    ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 34648 KB Output is correct
2 Correct 6 ms 34652 KB Output is correct
3 Correct 6 ms 34652 KB Output is correct
4 Correct 7 ms 34652 KB Output is correct
5 Correct 5 ms 34652 KB Output is correct
6 Correct 5 ms 34648 KB Output is correct
7 Correct 5 ms 34652 KB Output is correct
8 Correct 5 ms 34652 KB Output is correct
9 Correct 6 ms 34648 KB Output is correct
10 Correct 6 ms 34652 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 34652 KB Output is correct
2 Correct 5 ms 34652 KB Output is correct
3 Correct 5 ms 34652 KB Output is correct
4 Correct 5 ms 34652 KB Output is correct
5 Correct 5 ms 34652 KB Output is correct
6 Correct 6 ms 34652 KB Output is correct
7 Correct 5 ms 34652 KB Output is correct
8 Correct 6 ms 34652 KB Output is correct
9 Correct 7 ms 34652 KB Output is correct
10 Correct 7 ms 34652 KB Output is correct
11 Correct 5 ms 34652 KB Output is correct
12 Correct 5 ms 34652 KB Output is correct
13 Correct 5 ms 34652 KB Output is correct
14 Correct 5 ms 34652 KB Output is correct
15 Correct 6 ms 34652 KB Output is correct
16 Correct 5 ms 34652 KB Output is correct
17 Correct 5 ms 34832 KB Output is correct
18 Correct 5 ms 34768 KB Output is correct
19 Correct 5 ms 34648 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 34648 KB Output is correct
2 Correct 6 ms 34652 KB Output is correct
3 Correct 6 ms 34652 KB Output is correct
4 Correct 7 ms 34652 KB Output is correct
5 Correct 5 ms 34652 KB Output is correct
6 Correct 5 ms 34648 KB Output is correct
7 Correct 5 ms 34652 KB Output is correct
8 Correct 5 ms 34652 KB Output is correct
9 Correct 6 ms 34648 KB Output is correct
10 Correct 6 ms 34652 KB Output is correct
11 Correct 5 ms 34652 KB Output is correct
12 Correct 5 ms 34652 KB Output is correct
13 Correct 5 ms 34652 KB Output is correct
14 Correct 5 ms 34652 KB Output is correct
15 Correct 5 ms 34652 KB Output is correct
16 Correct 6 ms 34652 KB Output is correct
17 Correct 5 ms 34652 KB Output is correct
18 Correct 6 ms 34652 KB Output is correct
19 Correct 7 ms 34652 KB Output is correct
20 Correct 7 ms 34652 KB Output is correct
21 Correct 5 ms 34652 KB Output is correct
22 Correct 5 ms 34652 KB Output is correct
23 Correct 5 ms 34652 KB Output is correct
24 Correct 5 ms 34652 KB Output is correct
25 Correct 6 ms 34652 KB Output is correct
26 Correct 5 ms 34652 KB Output is correct
27 Correct 5 ms 34832 KB Output is correct
28 Correct 5 ms 34768 KB Output is correct
29 Correct 5 ms 34648 KB Output is correct
30 Correct 6 ms 34908 KB Output is correct
31 Correct 7 ms 35676 KB Output is correct
32 Correct 8 ms 35976 KB Output is correct
33 Correct 9 ms 36516 KB Output is correct
34 Correct 12 ms 37464 KB Output is correct
35 Correct 17 ms 40284 KB Output is correct
36 Correct 15 ms 39772 KB Output is correct
37 Correct 14 ms 39384 KB Output is correct
38 Correct 28 ms 46680 KB Output is correct
39 Correct 17 ms 40536 KB Output is correct
40 Correct 9 ms 35932 KB Output is correct
41 Correct 7 ms 35932 KB Output is correct
42 Correct 7 ms 35420 KB Output is correct
43 Correct 262 ms 182352 KB Output is correct
44 Correct 210 ms 144208 KB Output is correct
45 Correct 209 ms 142140 KB Output is correct
46 Correct 8 ms 35928 KB Output is correct
47 Correct 8 ms 36048 KB Output is correct
48 Correct 10 ms 35676 KB Output is correct
49 Correct 8 ms 35672 KB Output is correct
50 Correct 7 ms 35676 KB Output is correct
51 Correct 7 ms 35552 KB Output is correct
52 Correct 14 ms 38492 KB Output is correct
53 Correct 10 ms 36188 KB Output is correct
54 Correct 8 ms 35676 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 34648 KB Output is correct
2 Correct 6 ms 34652 KB Output is correct
3 Correct 6 ms 34652 KB Output is correct
4 Correct 7 ms 34652 KB Output is correct
5 Correct 5 ms 34652 KB Output is correct
6 Correct 5 ms 34648 KB Output is correct
7 Correct 5 ms 34652 KB Output is correct
8 Correct 5 ms 34652 KB Output is correct
9 Correct 6 ms 34648 KB Output is correct
10 Correct 6 ms 34652 KB Output is correct
11 Correct 5 ms 34652 KB Output is correct
12 Correct 5 ms 34652 KB Output is correct
13 Correct 5 ms 34652 KB Output is correct
14 Correct 5 ms 34652 KB Output is correct
15 Correct 5 ms 34652 KB Output is correct
16 Correct 6 ms 34652 KB Output is correct
17 Correct 5 ms 34652 KB Output is correct
18 Correct 6 ms 34652 KB Output is correct
19 Correct 7 ms 34652 KB Output is correct
20 Correct 7 ms 34652 KB Output is correct
21 Correct 5 ms 34652 KB Output is correct
22 Correct 5 ms 34652 KB Output is correct
23 Correct 5 ms 34652 KB Output is correct
24 Correct 5 ms 34652 KB Output is correct
25 Correct 6 ms 34652 KB Output is correct
26 Correct 5 ms 34652 KB Output is correct
27 Correct 5 ms 34832 KB Output is correct
28 Correct 5 ms 34768 KB Output is correct
29 Correct 5 ms 34648 KB Output is correct
30 Correct 6 ms 34908 KB Output is correct
31 Correct 7 ms 35676 KB Output is correct
32 Correct 8 ms 35976 KB Output is correct
33 Correct 9 ms 36516 KB Output is correct
34 Correct 12 ms 37464 KB Output is correct
35 Correct 17 ms 40284 KB Output is correct
36 Correct 15 ms 39772 KB Output is correct
37 Correct 14 ms 39384 KB Output is correct
38 Correct 28 ms 46680 KB Output is correct
39 Correct 17 ms 40536 KB Output is correct
40 Correct 9 ms 35932 KB Output is correct
41 Correct 7 ms 35932 KB Output is correct
42 Correct 7 ms 35420 KB Output is correct
43 Correct 262 ms 182352 KB Output is correct
44 Correct 210 ms 144208 KB Output is correct
45 Correct 209 ms 142140 KB Output is correct
46 Correct 8 ms 35928 KB Output is correct
47 Correct 8 ms 36048 KB Output is correct
48 Correct 10 ms 35676 KB Output is correct
49 Correct 8 ms 35672 KB Output is correct
50 Correct 7 ms 35676 KB Output is correct
51 Correct 7 ms 35552 KB Output is correct
52 Correct 14 ms 38492 KB Output is correct
53 Correct 10 ms 36188 KB Output is correct
54 Correct 8 ms 35676 KB Output is correct
55 Correct 70 ms 65932 KB Output is correct
56 Correct 605 ms 310276 KB Output is correct
57 Runtime error 911 ms 524288 KB Execution killed with signal 9
58 Halted 0 ms 0 KB -