oj.uz

답안 #932479

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
932479 2024-02-23T13:34:08 Z andrei_boaca Worst Reporter 4 (JOI21_worst_reporter4) C++17
14 / 100
 198 ms 206684 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll INF=1e17;
map<ll,ll> nrm;
ll nr;
vector<ll> muchii[200005];
ll n,par[200005],v[200005],cost[200005];
ll dp[5005][5005];
void dfs(ll nod)
{
    for(ll i:muchii[nod])
    {
        dfs(i);
        ll minim=INF;
        for(int j=nr;j>=1;j--)
        {
            minim=min(minim,dp[i][j]);
            dp[nod][j]+=minim;
        }
    }
    for(int i=1;i<=nr;i++)
        if(i!=v[nod])
            dp[nod][i]+=cost[nod];
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n;
    vector<ll> vals;
    for(int i=1;i<=n;i++)
    {
        cin>>par[i]>>v[i]>>cost[i];
        if(i!=1)
            muchii[par[i]].push_back(i);
        vals.push_back(v[i]);
    }
    sort(vals.begin(),vals.end());
    vals.erase(unique(vals.begin(),vals.end()),vals.end());
    for(int i=0;i<vals.size();i++)
        nrm[vals[i]]=i+1;
    nr=vals.size();
    for(int i=1;i<=n;i++)
        v[i]=nrm[v[i]];
    dfs(1);
    ll ans=INF;
    for(ll i=1;i<=nr;i++)
        ans=min(ans,dp[1][i]);
    cout<<ans;
    return 0;
}

Compilation message

worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:42:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for(int i=0;i<vals.size();i++)
      |                 ~^~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 3 ms 10588 KB Output is correct
5 Correct 90 ms 206376 KB Output is correct
6 Correct 29 ms 205904 KB Output is correct
7 Correct 27 ms 206176 KB Output is correct
8 Correct 75 ms 206664 KB Output is correct
9 Correct 27 ms 205920 KB Output is correct
10 Correct 33 ms 205916 KB Output is correct
11 Correct 16 ms 105048 KB Output is correct
12 Correct 64 ms 206684 KB Output is correct
13 Correct 26 ms 206172 KB Output is correct
14 Correct 67 ms 206504 KB Output is correct
15 Correct 27 ms 206164 KB Output is correct
16 Correct 66 ms 206420 KB Output is correct
17 Correct 30 ms 205976 KB Output is correct
18 Correct 14 ms 109660 KB Output is correct
19 Correct 69 ms 206388 KB Output is correct
20 Correct 28 ms 206172 KB Output is correct
21 Correct 25 ms 206188 KB Output is correct
22 Correct 66 ms 206264 KB Output is correct
23 Correct 26 ms 205908 KB Output is correct
24 Correct 65 ms 206380 KB Output is correct
25 Correct 28 ms 206148 KB Output is correct
26 Correct 64 ms 206672 KB Output is correct
27 Correct 70 ms 206420 KB Output is correct
28 Correct 68 ms 206624 KB Output is correct
29 Correct 66 ms 206672 KB Output is correct
30 Correct 64 ms 206420 KB Output is correct
31 Correct 64 ms 206416 KB Output is correct

Subtask #2
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 3 ms 10588 KB Output is correct
5 Correct 90 ms 206376 KB Output is correct
6 Correct 29 ms 205904 KB Output is correct
7 Correct 27 ms 206176 KB Output is correct
8 Correct 75 ms 206664 KB Output is correct
9 Correct 27 ms 205920 KB Output is correct
10 Correct 33 ms 205916 KB Output is correct
11 Correct 16 ms 105048 KB Output is correct
12 Correct 64 ms 206684 KB Output is correct
13 Correct 26 ms 206172 KB Output is correct
14 Correct 67 ms 206504 KB Output is correct
15 Correct 27 ms 206164 KB Output is correct
16 Correct 66 ms 206420 KB Output is correct
17 Correct 30 ms 205976 KB Output is correct
18 Correct 14 ms 109660 KB Output is correct
19 Correct 69 ms 206388 KB Output is correct
20 Correct 28 ms 206172 KB Output is correct
21 Correct 25 ms 206188 KB Output is correct
22 Correct 66 ms 206264 KB Output is correct
23 Correct 26 ms 205908 KB Output is correct
24 Correct 65 ms 206380 KB Output is correct
25 Correct 28 ms 206148 KB Output is correct
26 Correct 64 ms 206672 KB Output is correct
27 Correct 70 ms 206420 KB Output is correct
28 Correct 68 ms 206624 KB Output is correct
29 Correct 66 ms 206672 KB Output is correct
30 Correct 64 ms 206420 KB Output is correct
31 Correct 64 ms 206416 KB Output is correct
32 Correct 77 ms 206580 KB Output is correct
33 Runtime error 198 ms 62608 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 3 ms 10588 KB Output is correct
5 Correct 90 ms 206376 KB Output is correct
6 Correct 29 ms 205904 KB Output is correct
7 Correct 27 ms 206176 KB Output is correct
8 Correct 75 ms 206664 KB Output is correct
9 Correct 27 ms 205920 KB Output is correct
10 Correct 33 ms 205916 KB Output is correct
11 Correct 16 ms 105048 KB Output is correct
12 Correct 64 ms 206684 KB Output is correct
13 Correct 26 ms 206172 KB Output is correct
14 Correct 67 ms 206504 KB Output is correct
15 Correct 27 ms 206164 KB Output is correct
16 Correct 66 ms 206420 KB Output is correct
17 Correct 30 ms 205976 KB Output is correct
18 Correct 14 ms 109660 KB Output is correct
19 Correct 69 ms 206388 KB Output is correct
20 Correct 28 ms 206172 KB Output is correct
21 Correct 25 ms 206188 KB Output is correct
22 Correct 66 ms 206264 KB Output is correct
23 Correct 26 ms 205908 KB Output is correct
24 Correct 65 ms 206380 KB Output is correct
25 Correct 28 ms 206148 KB Output is correct
26 Correct 64 ms 206672 KB Output is correct
27 Correct 70 ms 206420 KB Output is correct
28 Correct 68 ms 206624 KB Output is correct
29 Correct 66 ms 206672 KB Output is correct
30 Correct 64 ms 206420 KB Output is correct
31 Correct 64 ms 206416 KB Output is correct
32 Correct 77 ms 206580 KB Output is correct
33 Runtime error 198 ms 62608 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -