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Submission #810178

# Submission time Handle Problem Language Result Execution time Memory
810178 2023-08-06T05:13:28 Z vjudge1 Worst Reporter 4 (JOI21_worst_reporter4) C++17
14 / 100
 185 ms 197096 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;

const int N = 5e3 + 10;
int n;
vector<int> G[N];
int a[N], h[N], c[N];

void compress() {
    map<int, int> mp;
    for(int i = 1; i <= n; i++) 
        mp[h[i]] = 1;
    int k = 0;
    for(auto &c : mp) {
        c.second = k++;
    }
    for(int i = 1; i <= n; i++) 
        h[i] = mp[h[i]];
}

ll f[N][N];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> n;
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
        cin >> h[i];
        cin >> c[i];
        if(a[i] < i) G[a[i]].push_back(i);
    }
    compress();
    // for(int i = 1; i <= n; i++) 
    //     cout << h[i] << ' ';
    // cout << '\n';
    for(int i = n; i >= 1; i--) {
        vector<ll> g(n, c[i]);
        g[h[i]] = 0;
        for(int to : G[i]) {
            for(int x = 0; x < n; x++) {
                g[x] += f[to][x];
            }
        }   
        for(int x = n - 1; x >= 0; x--) {
            f[i][x] = g[x];
            if(x < n - 1) f[i][x] = min(f[i][x], f[i][x + 1]);
        }
    }
    ll res = 1e18;
    for(int x = 0; x < n - 1; x++) 
        res = min(res, f[1][x]);
    cout << res;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 1 ms 452 KB Output is correct
5 Correct 185 ms 196820 KB Output is correct
6 Correct 179 ms 196656 KB Output is correct
7 Correct 170 ms 196824 KB Output is correct
8 Correct 172 ms 196892 KB Output is correct
9 Correct 177 ms 196800 KB Output is correct
10 Correct 171 ms 196812 KB Output is correct
11 Correct 177 ms 196744 KB Output is correct
12 Correct 173 ms 197076 KB Output is correct
13 Correct 165 ms 196848 KB Output is correct
14 Correct 167 ms 196960 KB Output is correct
15 Correct 165 ms 196840 KB Output is correct
16 Correct 176 ms 197040 KB Output is correct
17 Correct 171 ms 196748 KB Output is correct
18 Correct 172 ms 196768 KB Output is correct
19 Correct 169 ms 196996 KB Output is correct
20 Correct 171 ms 196732 KB Output is correct
21 Correct 180 ms 196696 KB Output is correct
22 Correct 174 ms 196912 KB Output is correct
23 Correct 177 ms 196668 KB Output is correct
24 Correct 167 ms 196896 KB Output is correct
25 Correct 171 ms 196828 KB Output is correct
26 Correct 171 ms 196944 KB Output is correct
27 Correct 180 ms 196908 KB Output is correct
28 Correct 171 ms 197020 KB Output is correct
29 Correct 168 ms 197096 KB Output is correct
30 Correct 164 ms 196924 KB Output is correct
31 Correct 161 ms 196864 KB Output is correct

Subtask #2
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 1 ms 452 KB Output is correct
5 Correct 185 ms 196820 KB Output is correct
6 Correct 179 ms 196656 KB Output is correct
7 Correct 170 ms 196824 KB Output is correct
8 Correct 172 ms 196892 KB Output is correct
9 Correct 177 ms 196800 KB Output is correct
10 Correct 171 ms 196812 KB Output is correct
11 Correct 177 ms 196744 KB Output is correct
12 Correct 173 ms 197076 KB Output is correct
13 Correct 165 ms 196848 KB Output is correct
14 Correct 167 ms 196960 KB Output is correct
15 Correct 165 ms 196840 KB Output is correct
16 Correct 176 ms 197040 KB Output is correct
17 Correct 171 ms 196748 KB Output is correct
18 Correct 172 ms 196768 KB Output is correct
19 Correct 169 ms 196996 KB Output is correct
20 Correct 171 ms 196732 KB Output is correct
21 Correct 180 ms 196696 KB Output is correct
22 Correct 174 ms 196912 KB Output is correct
23 Correct 177 ms 196668 KB Output is correct
24 Correct 167 ms 196896 KB Output is correct
25 Correct 171 ms 196828 KB Output is correct
26 Correct 171 ms 196944 KB Output is correct
27 Correct 180 ms 196908 KB Output is correct
28 Correct 171 ms 197020 KB Output is correct
29 Correct 168 ms 197096 KB Output is correct
30 Correct 164 ms 196924 KB Output is correct
31 Correct 161 ms 196864 KB Output is correct
32 Correct 174 ms 197020 KB Output is correct
33 Runtime error 9 ms 1484 KB Execution killed with signal 6
34 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 448 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 1 ms 452 KB Output is correct
5 Correct 185 ms 196820 KB Output is correct
6 Correct 179 ms 196656 KB Output is correct
7 Correct 170 ms 196824 KB Output is correct
8 Correct 172 ms 196892 KB Output is correct
9 Correct 177 ms 196800 KB Output is correct
10 Correct 171 ms 196812 KB Output is correct
11 Correct 177 ms 196744 KB Output is correct
12 Correct 173 ms 197076 KB Output is correct
13 Correct 165 ms 196848 KB Output is correct
14 Correct 167 ms 196960 KB Output is correct
15 Correct 165 ms 196840 KB Output is correct
16 Correct 176 ms 197040 KB Output is correct
17 Correct 171 ms 196748 KB Output is correct
18 Correct 172 ms 196768 KB Output is correct
19 Correct 169 ms 196996 KB Output is correct
20 Correct 171 ms 196732 KB Output is correct
21 Correct 180 ms 196696 KB Output is correct
22 Correct 174 ms 196912 KB Output is correct
23 Correct 177 ms 196668 KB Output is correct
24 Correct 167 ms 196896 KB Output is correct
25 Correct 171 ms 196828 KB Output is correct
26 Correct 171 ms 196944 KB Output is correct
27 Correct 180 ms 196908 KB Output is correct
28 Correct 171 ms 197020 KB Output is correct
29 Correct 168 ms 197096 KB Output is correct
30 Correct 164 ms 196924 KB Output is correct
31 Correct 161 ms 196864 KB Output is correct
32 Correct 174 ms 197020 KB Output is correct
33 Runtime error 9 ms 1484 KB Execution killed with signal 6
34 Halted 0 ms 0 KB -