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Submission #914506

# Submission time Handle Problem Language Result Execution time Memory
914506 2024-01-22T09:35:56 Z Tuanlinh123 Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
 360 ms 107672 KB 
#include<bits/stdc++.h>
#define ll long long
#define pll pair<ll, ll>
#define fi first
#define se second
using namespace std;

const ll maxn=200005;
ll A[maxn], H[maxn], C[maxn], deg[maxn];
map<ll, ll> cnt[maxn];

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ll n, sum=0; cin >> n;
    for (ll i=1; i<=n; i++)
        cin>>A[i]>>H[i]>>C[i], sum+=C[i], deg[A[i]]++;
    queue <ll> q;
    for (ll i=1; i<=n; i++) 
        if (!deg[i]) q.push(i);
    auto Merge=[&](map<ll, ll> &a, map<ll, ll> &b)
    {
        if (a.size()<b.size()) swap(a, b);
        for (pll i:b) a[i.fi]+=i.se;
    };
    auto Fix=[&](map<ll, ll> &a, ll H, ll C)
    {
        a[H]+=C; auto it=a.lower_bound(H);
        while (it!=a.begin())
        {
            it--;
            if ((*it).se>C) {(*it).se-=C; break;}
            C-=(*it).se; it=a.erase(it);
        }
    };
    while (!q.empty())
    {
        ll u=q.front(), crr=C[u]; q.pop();
        deg[A[u]]--; 
        Fix(cnt[u], H[u], C[u]);
        Merge(cnt[A[u]], cnt[u]);
        if (!deg[A[u]]) q.push(A[u]);
    }
    for (ll i=1; i<=n; i++)
    {
        if (!deg[i]) continue;
        map <ll, ll> all=cnt[i], cn; cn[H[i]]+=C[i];
        for (ll crr=A[i]; crr!=i; crr=A[crr])
            Merge(all, cnt[crr]);
        for (pll j:cn) Fix(all, j.fi, j.se);
        for (pll j:all) sum-=j.se;
    }
    cout << sum << "\n";
}

Compilation message

worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:38:25: warning: unused variable 'crr' [-Wunused-variable]
   38 |         ll u=q.front(), crr=C[u]; q.pop();
      |                         ^~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14936 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Correct 4 ms 14996 KB Output is correct
4 Correct 3 ms 14940 KB Output is correct
5 Correct 8 ms 16476 KB Output is correct
6 Correct 6 ms 15728 KB Output is correct
7 Correct 6 ms 15452 KB Output is correct
8 Correct 8 ms 16476 KB Output is correct
9 Correct 6 ms 15772 KB Output is correct
10 Correct 6 ms 15452 KB Output is correct
11 Correct 6 ms 15196 KB Output is correct
12 Correct 5 ms 14956 KB Output is correct
13 Correct 4 ms 14940 KB Output is correct
14 Correct 5 ms 14940 KB Output is correct
15 Correct 5 ms 14936 KB Output is correct
16 Correct 8 ms 16472 KB Output is correct
17 Correct 6 ms 15704 KB Output is correct
18 Correct 5 ms 15196 KB Output is correct
19 Correct 6 ms 15520 KB Output is correct
20 Correct 7 ms 15116 KB Output is correct
21 Correct 5 ms 15196 KB Output is correct
22 Correct 6 ms 15964 KB Output is correct
23 Correct 5 ms 15328 KB Output is correct
24 Correct 6 ms 15632 KB Output is correct
25 Correct 5 ms 15196 KB Output is correct
26 Correct 5 ms 14956 KB Output is correct
27 Correct 6 ms 15704 KB Output is correct
28 Correct 7 ms 15708 KB Output is correct
29 Correct 6 ms 15452 KB Output is correct
30 Correct 6 ms 15780 KB Output is correct
31 Correct 6 ms 15704 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14936 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Correct 4 ms 14996 KB Output is correct
4 Correct 3 ms 14940 KB Output is correct
5 Correct 8 ms 16476 KB Output is correct
6 Correct 6 ms 15728 KB Output is correct
7 Correct 6 ms 15452 KB Output is correct
8 Correct 8 ms 16476 KB Output is correct
9 Correct 6 ms 15772 KB Output is correct
10 Correct 6 ms 15452 KB Output is correct
11 Correct 6 ms 15196 KB Output is correct
12 Correct 5 ms 14956 KB Output is correct
13 Correct 4 ms 14940 KB Output is correct
14 Correct 5 ms 14940 KB Output is correct
15 Correct 5 ms 14936 KB Output is correct
16 Correct 8 ms 16472 KB Output is correct
17 Correct 6 ms 15704 KB Output is correct
18 Correct 5 ms 15196 KB Output is correct
19 Correct 6 ms 15520 KB Output is correct
20 Correct 7 ms 15116 KB Output is correct
21 Correct 5 ms 15196 KB Output is correct
22 Correct 6 ms 15964 KB Output is correct
23 Correct 5 ms 15328 KB Output is correct
24 Correct 6 ms 15632 KB Output is correct
25 Correct 5 ms 15196 KB Output is correct
26 Correct 5 ms 14956 KB Output is correct
27 Correct 6 ms 15704 KB Output is correct
28 Correct 7 ms 15708 KB Output is correct
29 Correct 6 ms 15452 KB Output is correct
30 Correct 6 ms 15780 KB Output is correct
31 Correct 6 ms 15704 KB Output is correct
32 Correct 8 ms 16744 KB Output is correct
33 Correct 360 ms 97348 KB Output is correct
34 Correct 249 ms 57168 KB Output is correct
35 Correct 335 ms 96852 KB Output is correct
36 Correct 253 ms 56920 KB Output is correct
37 Correct 133 ms 31068 KB Output is correct
38 Correct 77 ms 25172 KB Output is correct
39 Correct 84 ms 18832 KB Output is correct
40 Correct 82 ms 18736 KB Output is correct
41 Correct 57 ms 18916 KB Output is correct
42 Correct 91 ms 19032 KB Output is correct
43 Correct 82 ms 18952 KB Output is correct
44 Correct 325 ms 107672 KB Output is correct
45 Correct 204 ms 62904 KB Output is correct
46 Correct 55 ms 25476 KB Output is correct
47 Correct 155 ms 39092 KB Output is correct
48 Correct 72 ms 25104 KB Output is correct
49 Correct 58 ms 25064 KB Output is correct
50 Correct 246 ms 56300 KB Output is correct
51 Correct 75 ms 31120 KB Output is correct
52 Correct 223 ms 39488 KB Output is correct
53 Correct 71 ms 25284 KB Output is correct
54 Correct 64 ms 18864 KB Output is correct
55 Correct 146 ms 45680 KB Output is correct
56 Correct 112 ms 41504 KB Output is correct
57 Correct 112 ms 41652 KB Output is correct
58 Correct 206 ms 49892 KB Output is correct
59 Correct 195 ms 49932 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14936 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Correct 4 ms 14996 KB Output is correct
4 Correct 3 ms 14940 KB Output is correct
5 Correct 8 ms 16476 KB Output is correct
6 Correct 6 ms 15728 KB Output is correct
7 Correct 6 ms 15452 KB Output is correct
8 Correct 8 ms 16476 KB Output is correct
9 Correct 6 ms 15772 KB Output is correct
10 Correct 6 ms 15452 KB Output is correct
11 Correct 6 ms 15196 KB Output is correct
12 Correct 5 ms 14956 KB Output is correct
13 Correct 4 ms 14940 KB Output is correct
14 Correct 5 ms 14940 KB Output is correct
15 Correct 5 ms 14936 KB Output is correct
16 Correct 8 ms 16472 KB Output is correct
17 Correct 6 ms 15704 KB Output is correct
18 Correct 5 ms 15196 KB Output is correct
19 Correct 6 ms 15520 KB Output is correct
20 Correct 7 ms 15116 KB Output is correct
21 Correct 5 ms 15196 KB Output is correct
22 Correct 6 ms 15964 KB Output is correct
23 Correct 5 ms 15328 KB Output is correct
24 Correct 6 ms 15632 KB Output is correct
25 Correct 5 ms 15196 KB Output is correct
26 Correct 5 ms 14956 KB Output is correct
27 Correct 6 ms 15704 KB Output is correct
28 Correct 7 ms 15708 KB Output is correct
29 Correct 6 ms 15452 KB Output is correct
30 Correct 6 ms 15780 KB Output is correct
31 Correct 6 ms 15704 KB Output is correct
32 Correct 8 ms 16744 KB Output is correct
33 Correct 360 ms 97348 KB Output is correct
34 Correct 249 ms 57168 KB Output is correct
35 Correct 335 ms 96852 KB Output is correct
36 Correct 253 ms 56920 KB Output is correct
37 Correct 133 ms 31068 KB Output is correct
38 Correct 77 ms 25172 KB Output is correct
39 Correct 84 ms 18832 KB Output is correct
40 Correct 82 ms 18736 KB Output is correct
41 Correct 57 ms 18916 KB Output is correct
42 Correct 91 ms 19032 KB Output is correct
43 Correct 82 ms 18952 KB Output is correct
44 Correct 325 ms 107672 KB Output is correct
45 Correct 204 ms 62904 KB Output is correct
46 Correct 55 ms 25476 KB Output is correct
47 Correct 155 ms 39092 KB Output is correct
48 Correct 72 ms 25104 KB Output is correct
49 Correct 58 ms 25064 KB Output is correct
50 Correct 246 ms 56300 KB Output is correct
51 Correct 75 ms 31120 KB Output is correct
52 Correct 223 ms 39488 KB Output is correct
53 Correct 71 ms 25284 KB Output is correct
54 Correct 64 ms 18864 KB Output is correct
55 Correct 146 ms 45680 KB Output is correct
56 Correct 112 ms 41504 KB Output is correct
57 Correct 112 ms 41652 KB Output is correct
58 Correct 206 ms 49892 KB Output is correct
59 Correct 195 ms 49932 KB Output is correct
60 Incorrect 4 ms 14940 KB Output isn't correct
61 Halted 0 ms 0 KB -