oj.uz

Submission #893862

# Submission time Handle Problem Language Result Execution time Memory
893862 2023-12-27T15:00:41 Z danikoynov Worst Reporter 4 (JOI21_worst_reporter4) C++14
14 / 100
 479 ms 398440 KB 
/**
 ____ ____ ____ ____ ____ ____
||l |||e |||i |||n |||a |||d ||
||__|||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|/__\|

**/

#include<bits/stdc++.h>
#define endl '\n'

using namespace std;
typedef long long ll;

void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}


const int maxn = 5010;
const ll inf = 1e18;

int n, a[maxn], h[maxn];
ll c[maxn];
vector < int > adj[maxn];
void input()
{
    cin >> n;
    for (int i = 1; i <= n; i ++)
    {
        cin >> a[i] >> h[i] >> c[i];
        if (a[i] != i)
            adj[a[i]].push_back(i);
    }
}

unordered_map < int, int > tag;

void compress()
{
    vector < int > values;
    for (int i = 1; i <= n; i ++)
        values.push_back(h[i]);

    sort(values.begin(), values.end());

    for (int i = 0; i < n; i ++)
        tag[values[i]] = i + 1;

}

ll dp[maxn][maxn], temp[maxn];
int used[maxn];

void dfs(int v)
{
    for (int j = 1; j <= n; j ++)
    {
        dp[v][j] = c[v];
        if (j == tag[h[v]])
            dp[v][j] = 0;
    }

    used[v] = 1;
    for (int u : adj[v])
    {
        dfs(u);

        ll best = inf;
        for (int j = n; j >= 1; j --)
        {
            best = min(best, dp[u][j]);
            dp[v][j] += best;
        }
    }

    for (int j = n - 1; j > 0; j --)
    {
        dp[v][j] = min(dp[v][j], dp[v][j + 1]);
    }
    /**cout << "state " << v << " " << h[v] << endl;
    for (int j = 1; j <= n; j ++)
        cout << dp[v][j] << " ";
    cout << endl;*/
}
void calculate_states()
{
    ll ans = 0;
    for (int i = 1; i <= n; i ++)
    {
        if (used[i])
            continue;

        dfs(i);
        ll best = inf;
        for (int j = 1; j <= n; j ++)
        {
            best = min(best, dp[i][j]);
        }

        ans += best;
    }

    cout << ans << endl;
}
void solve()
{
    input();
    compress();
    calculate_states();
}

int main()
{
    solve();
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 2632 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 368 ms 197020 KB Output is correct
6 Correct 380 ms 197156 KB Output is correct
7 Correct 364 ms 196680 KB Output is correct
8 Correct 367 ms 197280 KB Output is correct
9 Correct 398 ms 196692 KB Output is correct
10 Correct 361 ms 196692 KB Output is correct
11 Correct 329 ms 196804 KB Output is correct
12 Correct 369 ms 197456 KB Output is correct
13 Correct 479 ms 197236 KB Output is correct
14 Correct 367 ms 197716 KB Output is correct
15 Correct 374 ms 197088 KB Output is correct
16 Correct 369 ms 197028 KB Output is correct
17 Correct 380 ms 196688 KB Output is correct
18 Correct 312 ms 196944 KB Output is correct
19 Correct 366 ms 197184 KB Output is correct
20 Correct 402 ms 197016 KB Output is correct
21 Correct 359 ms 196944 KB Output is correct
22 Correct 370 ms 197056 KB Output is correct
23 Correct 378 ms 196656 KB Output is correct
24 Correct 368 ms 197204 KB Output is correct
25 Correct 380 ms 196972 KB Output is correct
26 Correct 370 ms 197460 KB Output is correct
27 Correct 369 ms 196944 KB Output is correct
28 Correct 374 ms 197412 KB Output is correct
29 Correct 367 ms 197184 KB Output is correct
30 Correct 366 ms 197132 KB Output is correct
31 Correct 366 ms 197148 KB Output is correct

Subtask #2
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 2632 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 368 ms 197020 KB Output is correct
6 Correct 380 ms 197156 KB Output is correct
7 Correct 364 ms 196680 KB Output is correct
8 Correct 367 ms 197280 KB Output is correct
9 Correct 398 ms 196692 KB Output is correct
10 Correct 361 ms 196692 KB Output is correct
11 Correct 329 ms 196804 KB Output is correct
12 Correct 369 ms 197456 KB Output is correct
13 Correct 479 ms 197236 KB Output is correct
14 Correct 367 ms 197716 KB Output is correct
15 Correct 374 ms 197088 KB Output is correct
16 Correct 369 ms 197028 KB Output is correct
17 Correct 380 ms 196688 KB Output is correct
18 Correct 312 ms 196944 KB Output is correct
19 Correct 366 ms 197184 KB Output is correct
20 Correct 402 ms 197016 KB Output is correct
21 Correct 359 ms 196944 KB Output is correct
22 Correct 370 ms 197056 KB Output is correct
23 Correct 378 ms 196656 KB Output is correct
24 Correct 368 ms 197204 KB Output is correct
25 Correct 380 ms 196972 KB Output is correct
26 Correct 370 ms 197460 KB Output is correct
27 Correct 369 ms 196944 KB Output is correct
28 Correct 374 ms 197412 KB Output is correct
29 Correct 367 ms 197184 KB Output is correct
30 Correct 366 ms 197132 KB Output is correct
31 Correct 366 ms 197148 KB Output is correct
32 Correct 369 ms 197064 KB Output is correct
33 Runtime error 332 ms 398440 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 2632 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 368 ms 197020 KB Output is correct
6 Correct 380 ms 197156 KB Output is correct
7 Correct 364 ms 196680 KB Output is correct
8 Correct 367 ms 197280 KB Output is correct
9 Correct 398 ms 196692 KB Output is correct
10 Correct 361 ms 196692 KB Output is correct
11 Correct 329 ms 196804 KB Output is correct
12 Correct 369 ms 197456 KB Output is correct
13 Correct 479 ms 197236 KB Output is correct
14 Correct 367 ms 197716 KB Output is correct
15 Correct 374 ms 197088 KB Output is correct
16 Correct 369 ms 197028 KB Output is correct
17 Correct 380 ms 196688 KB Output is correct
18 Correct 312 ms 196944 KB Output is correct
19 Correct 366 ms 197184 KB Output is correct
20 Correct 402 ms 197016 KB Output is correct
21 Correct 359 ms 196944 KB Output is correct
22 Correct 370 ms 197056 KB Output is correct
23 Correct 378 ms 196656 KB Output is correct
24 Correct 368 ms 197204 KB Output is correct
25 Correct 380 ms 196972 KB Output is correct
26 Correct 370 ms 197460 KB Output is correct
27 Correct 369 ms 196944 KB Output is correct
28 Correct 374 ms 197412 KB Output is correct
29 Correct 367 ms 197184 KB Output is correct
30 Correct 366 ms 197132 KB Output is correct
31 Correct 366 ms 197148 KB Output is correct
32 Correct 369 ms 197064 KB Output is correct
33 Runtime error 332 ms 398440 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -