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답안 #538625

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
538625 2022-03-17T09:17:43 Z Jarif_Rahman Worst Reporter 4 (JOI21_worst_reporter4) C++17
14 / 100
 330 ms 524288 KB 
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

int n;
vector<vector<int>> v;
vector<vector<ll>> dp;
vector<int> h;
vector<ll> cost;

void dfs(int nd){
    for(int x: v[nd]) dfs(x);
    for(int x: v[nd]) for(int i = 0; i < n; i++) dp[nd][i]+=dp[x][i];
    for(int i = h[nd]+1; i < n; i++){
        dp[nd][i]+=cost[nd];
    }
    for(int i = h[nd]-1; i >= 0; i--){
        dp[nd][i] = min(dp[nd][i+1], dp[nd][i]+cost[nd]);
    }
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;

    v.resize(n);
    dp.resize(n, vector<ll>(n, 0));
    h.resize(n);
    cost.resize(n);

    for(int i = 0; i < n; i++){
        int p; cin >> p >> h[i] >> cost[i];
        p--;
        if(p == i) continue;
        v[p].pb(i);
    }

    /*compress h*/{
        map<int, int> mp;
        vector<int> srt = h;
        sort(srt.begin(), srt.end());
        int in = 0;
        for(int i = 0; i < n; i++) mp[srt[i]] = in, in++;

        for(int &x: h) x = mp[x];
    }

    dfs(0);

    cout << *min_element(dp[0].begin(), dp[0].end()) << "\n";
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 160 ms 196708 KB Output is correct
6 Correct 169 ms 196428 KB Output is correct
7 Correct 174 ms 196472 KB Output is correct
8 Correct 166 ms 196852 KB Output is correct
9 Correct 172 ms 196560 KB Output is correct
10 Correct 188 ms 196548 KB Output is correct
11 Correct 191 ms 196684 KB Output is correct
12 Correct 159 ms 197128 KB Output is correct
13 Correct 177 ms 196892 KB Output is correct
14 Correct 164 ms 196944 KB Output is correct
15 Correct 159 ms 196780 KB Output is correct
16 Correct 187 ms 196816 KB Output is correct
17 Correct 169 ms 196592 KB Output is correct
18 Correct 201 ms 196704 KB Output is correct
19 Correct 172 ms 196928 KB Output is correct
20 Correct 165 ms 196616 KB Output is correct
21 Correct 169 ms 196700 KB Output is correct
22 Correct 160 ms 196756 KB Output is correct
23 Correct 160 ms 196548 KB Output is correct
24 Correct 182 ms 196944 KB Output is correct
25 Correct 182 ms 196728 KB Output is correct
26 Correct 161 ms 197068 KB Output is correct
27 Correct 174 ms 196896 KB Output is correct
28 Correct 169 ms 196836 KB Output is correct
29 Correct 207 ms 197020 KB Output is correct
30 Correct 178 ms 196712 KB Output is correct
31 Correct 193 ms 197056 KB Output is correct

Subtask #2
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 160 ms 196708 KB Output is correct
6 Correct 169 ms 196428 KB Output is correct
7 Correct 174 ms 196472 KB Output is correct
8 Correct 166 ms 196852 KB Output is correct
9 Correct 172 ms 196560 KB Output is correct
10 Correct 188 ms 196548 KB Output is correct
11 Correct 191 ms 196684 KB Output is correct
12 Correct 159 ms 197128 KB Output is correct
13 Correct 177 ms 196892 KB Output is correct
14 Correct 164 ms 196944 KB Output is correct
15 Correct 159 ms 196780 KB Output is correct
16 Correct 187 ms 196816 KB Output is correct
17 Correct 169 ms 196592 KB Output is correct
18 Correct 201 ms 196704 KB Output is correct
19 Correct 172 ms 196928 KB Output is correct
20 Correct 165 ms 196616 KB Output is correct
21 Correct 169 ms 196700 KB Output is correct
22 Correct 160 ms 196756 KB Output is correct
23 Correct 160 ms 196548 KB Output is correct
24 Correct 182 ms 196944 KB Output is correct
25 Correct 182 ms 196728 KB Output is correct
26 Correct 161 ms 197068 KB Output is correct
27 Correct 174 ms 196896 KB Output is correct
28 Correct 169 ms 196836 KB Output is correct
29 Correct 207 ms 197020 KB Output is correct
30 Correct 178 ms 196712 KB Output is correct
31 Correct 193 ms 197056 KB Output is correct
32 Correct 192 ms 196952 KB Output is correct
33 Runtime error 330 ms 524288 KB Execution killed with signal 9
34 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 160 ms 196708 KB Output is correct
6 Correct 169 ms 196428 KB Output is correct
7 Correct 174 ms 196472 KB Output is correct
8 Correct 166 ms 196852 KB Output is correct
9 Correct 172 ms 196560 KB Output is correct
10 Correct 188 ms 196548 KB Output is correct
11 Correct 191 ms 196684 KB Output is correct
12 Correct 159 ms 197128 KB Output is correct
13 Correct 177 ms 196892 KB Output is correct
14 Correct 164 ms 196944 KB Output is correct
15 Correct 159 ms 196780 KB Output is correct
16 Correct 187 ms 196816 KB Output is correct
17 Correct 169 ms 196592 KB Output is correct
18 Correct 201 ms 196704 KB Output is correct
19 Correct 172 ms 196928 KB Output is correct
20 Correct 165 ms 196616 KB Output is correct
21 Correct 169 ms 196700 KB Output is correct
22 Correct 160 ms 196756 KB Output is correct
23 Correct 160 ms 196548 KB Output is correct
24 Correct 182 ms 196944 KB Output is correct
25 Correct 182 ms 196728 KB Output is correct
26 Correct 161 ms 197068 KB Output is correct
27 Correct 174 ms 196896 KB Output is correct
28 Correct 169 ms 196836 KB Output is correct
29 Correct 207 ms 197020 KB Output is correct
30 Correct 178 ms 196712 KB Output is correct
31 Correct 193 ms 197056 KB Output is correct
32 Correct 192 ms 196952 KB Output is correct
33 Runtime error 330 ms 524288 KB Execution killed with signal 9
34 Halted 0 ms 0 KB -