Submission #885414

# Submission time Handle Problem Language Result Execution time Memory
885414 2023-12-09T15:34:55 Z TahirAliyev Race (IOI11_race) C++17
100 / 100
360 ms 97656 KB
#include "race.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pii pair<ll, ll>
#define oo 1e9

const int MAX = 2e5 + 5;

vector<pii> g[MAX];
int n, k;

map<ll, int> mp[MAX];

int ans = oo;

void dfs(int node, int p, ll d, int h){
    for(pii to : g[node]){
        if(to.first == p) continue;
        dfs(to.first, node, d + to.second, h + 1);
        if(mp[to.first].size() > mp[node].size()){
            swap(mp[node], mp[to.first]);
        }
    }
    for(pii to : g[node]){
        if(to.first == p) continue;
        for(auto a : mp[to.first]){
            if(!a.second) continue;
            ll need = d + (k - (a.first - d));
            if(need <= d || mp[node].find(need) == mp[node].end()) continue;
            ans = min(ans, (a.second - h) + (mp[node][need] - h));
        }
        for(auto a : mp[to.first]){
            if(!a.second) continue;
            if(mp[node].find(a.first) == mp[node].end()){
                mp[node][a.first] = a.second;
            }
            else{
                mp[node][a.first] = min(a.second, mp[node][a.first]);
            }
        }
    }
    mp[node][d] = h;
    if(mp[node].find(d + k) != mp[node].end()){
        ans = min(ans, mp[node][d + k] - h);
    }
}

int best_path(int N, int K, int H[][2], int L[]){
    n = N;
    k = K;
    for(int i = 0; i < n; i++){
        g[H[i][0]].push_back({H[i][1], L[i]});
        g[H[i][1]].push_back({H[i][0], L[i]});
    }
    dfs(0, 0, 0, 0);
    if(ans == oo) return -1;
    return ans;
}

# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18108 KB Output is correct
3 Correct 4 ms 18012 KB Output is correct
4 Correct 5 ms 18012 KB Output is correct
5 Correct 4 ms 18012 KB Output is correct
6 Correct 4 ms 18176 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 5 ms 18172 KB Output is correct
9 Correct 4 ms 18204 KB Output is correct
10 Correct 4 ms 18012 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 4 ms 18012 KB Output is correct
13 Correct 4 ms 18100 KB Output is correct
14 Correct 4 ms 18012 KB Output is correct
15 Correct 4 ms 18172 KB Output is correct
16 Correct 4 ms 18012 KB Output is correct
17 Correct 3 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18108 KB Output is correct
3 Correct 4 ms 18012 KB Output is correct
4 Correct 5 ms 18012 KB Output is correct
5 Correct 4 ms 18012 KB Output is correct
6 Correct 4 ms 18176 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 5 ms 18172 KB Output is correct
9 Correct 4 ms 18204 KB Output is correct
10 Correct 4 ms 18012 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 4 ms 18012 KB Output is correct
13 Correct 4 ms 18100 KB Output is correct
14 Correct 4 ms 18012 KB Output is correct
15 Correct 4 ms 18172 KB Output is correct
16 Correct 4 ms 18012 KB Output is correct
17 Correct 3 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
19 Correct 4 ms 18012 KB Output is correct
20 Correct 5 ms 18168 KB Output is correct
21 Correct 4 ms 18268 KB Output is correct
22 Correct 5 ms 18452 KB Output is correct
23 Correct 6 ms 18268 KB Output is correct
24 Correct 5 ms 18268 KB Output is correct
25 Correct 5 ms 18264 KB Output is correct
26 Correct 5 ms 18268 KB Output is correct
27 Correct 4 ms 18268 KB Output is correct
28 Correct 4 ms 18268 KB Output is correct
29 Correct 5 ms 18436 KB Output is correct
30 Correct 5 ms 18268 KB Output is correct
31 Correct 5 ms 18256 KB Output is correct
32 Correct 4 ms 18268 KB Output is correct
33 Correct 5 ms 18268 KB Output is correct
34 Correct 4 ms 18268 KB Output is correct
35 Correct 5 ms 18268 KB Output is correct
36 Correct 4 ms 18268 KB Output is correct
37 Correct 4 ms 18268 KB Output is correct
38 Correct 4 ms 18172 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18108 KB Output is correct
3 Correct 4 ms 18012 KB Output is correct
4 Correct 5 ms 18012 KB Output is correct
5 Correct 4 ms 18012 KB Output is correct
6 Correct 4 ms 18176 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 5 ms 18172 KB Output is correct
9 Correct 4 ms 18204 KB Output is correct
10 Correct 4 ms 18012 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 4 ms 18012 KB Output is correct
13 Correct 4 ms 18100 KB Output is correct
14 Correct 4 ms 18012 KB Output is correct
15 Correct 4 ms 18172 KB Output is correct
16 Correct 4 ms 18012 KB Output is correct
17 Correct 3 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
19 Correct 77 ms 37896 KB Output is correct
20 Correct 83 ms 37720 KB Output is correct
21 Correct 96 ms 37812 KB Output is correct
22 Correct 90 ms 37944 KB Output is correct
23 Correct 117 ms 51168 KB Output is correct
24 Correct 101 ms 43552 KB Output is correct
25 Correct 58 ms 35924 KB Output is correct
26 Correct 47 ms 43644 KB Output is correct
27 Correct 144 ms 46828 KB Output is correct
28 Correct 166 ms 79708 KB Output is correct
29 Correct 197 ms 78184 KB Output is correct
30 Correct 132 ms 46676 KB Output is correct
31 Correct 141 ms 46828 KB Output is correct
32 Correct 207 ms 46928 KB Output is correct
33 Correct 155 ms 45400 KB Output is correct
34 Correct 239 ms 78416 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 18012 KB Output is correct
2 Correct 4 ms 18108 KB Output is correct
3 Correct 4 ms 18012 KB Output is correct
4 Correct 5 ms 18012 KB Output is correct
5 Correct 4 ms 18012 KB Output is correct
6 Correct 4 ms 18176 KB Output is correct
7 Correct 5 ms 18012 KB Output is correct
8 Correct 5 ms 18172 KB Output is correct
9 Correct 4 ms 18204 KB Output is correct
10 Correct 4 ms 18012 KB Output is correct
11 Correct 4 ms 18012 KB Output is correct
12 Correct 4 ms 18012 KB Output is correct
13 Correct 4 ms 18100 KB Output is correct
14 Correct 4 ms 18012 KB Output is correct
15 Correct 4 ms 18172 KB Output is correct
16 Correct 4 ms 18012 KB Output is correct
17 Correct 3 ms 18012 KB Output is correct
18 Correct 4 ms 18012 KB Output is correct
19 Correct 4 ms 18012 KB Output is correct
20 Correct 5 ms 18168 KB Output is correct
21 Correct 4 ms 18268 KB Output is correct
22 Correct 5 ms 18452 KB Output is correct
23 Correct 6 ms 18268 KB Output is correct
24 Correct 5 ms 18268 KB Output is correct
25 Correct 5 ms 18264 KB Output is correct
26 Correct 5 ms 18268 KB Output is correct
27 Correct 4 ms 18268 KB Output is correct
28 Correct 4 ms 18268 KB Output is correct
29 Correct 5 ms 18436 KB Output is correct
30 Correct 5 ms 18268 KB Output is correct
31 Correct 5 ms 18256 KB Output is correct
32 Correct 4 ms 18268 KB Output is correct
33 Correct 5 ms 18268 KB Output is correct
34 Correct 4 ms 18268 KB Output is correct
35 Correct 5 ms 18268 KB Output is correct
36 Correct 4 ms 18268 KB Output is correct
37 Correct 4 ms 18268 KB Output is correct
38 Correct 4 ms 18172 KB Output is correct
39 Correct 77 ms 37896 KB Output is correct
40 Correct 83 ms 37720 KB Output is correct
41 Correct 96 ms 37812 KB Output is correct
42 Correct 90 ms 37944 KB Output is correct
43 Correct 117 ms 51168 KB Output is correct
44 Correct 101 ms 43552 KB Output is correct
45 Correct 58 ms 35924 KB Output is correct
46 Correct 47 ms 43644 KB Output is correct
47 Correct 144 ms 46828 KB Output is correct
48 Correct 166 ms 79708 KB Output is correct
49 Correct 197 ms 78184 KB Output is correct
50 Correct 132 ms 46676 KB Output is correct
51 Correct 141 ms 46828 KB Output is correct
52 Correct 207 ms 46928 KB Output is correct
53 Correct 155 ms 45400 KB Output is correct
54 Correct 239 ms 78416 KB Output is correct
55 Correct 15 ms 20828 KB Output is correct
56 Correct 8 ms 19548 KB Output is correct
57 Correct 53 ms 36376 KB Output is correct
58 Correct 43 ms 32204 KB Output is correct
59 Correct 63 ms 50000 KB Output is correct
60 Correct 209 ms 78320 KB Output is correct
61 Correct 172 ms 50724 KB Output is correct
62 Correct 139 ms 46868 KB Output is correct
63 Correct 161 ms 46896 KB Output is correct
64 Correct 360 ms 96960 KB Output is correct
65 Correct 311 ms 97656 KB Output is correct
66 Correct 204 ms 74576 KB Output is correct
67 Correct 138 ms 46264 KB Output is correct
68 Correct 246 ms 65108 KB Output is correct
69 Correct 297 ms 65552 KB Output is correct
70 Correct 241 ms 63060 KB Output is correct