| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 905082 |
2024-01-12T14:18:14 Z |
a_l_i_r_e_z_a |
Race (IOI11_race) |
C++17 |
|
427 ms |
101684 KB |
// In the name of God
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define pb push_back
#define S second
#define F first
#define mp make_pair
#define smax(x, y) (x) = max((x), (y))
#define smin(x, y) (x) = min((x), (y))
#define all(x) (x).begin(), (x).end()
#define len(x) ((int)(x).size())
const int maxn = 2e5 + 5;
const int inf = 1e9 + 7;
ll n, k, ans = inf;
vector<pii> adj[maxn];
map<ll, ll> mn[maxn];
void dfs(int v = 0, int h = 0, ll d = 0, int p = -1){
mn[v].insert(mp(d, h));
for(auto [u, w]: adj[v]){
if(u == p) continue;
dfs(u, h + 1, d + w, v);
if(mn[u].size() > mn[v].size()) swap(mn[u], mn[v]);
for(auto w: mn[u]){
ll x = k + 2 * d - w.F;
auto it = mn[v].find(x);
if(it != mn[v].end()) smin(ans, w.S + (*it).S - 2 * h);
}
for(auto w: mn[u]){
auto it = mn[v].find(w.F);
if(it != mn[v].end()) smin((*it).S, w.S);
else mn[v].insert(w);
}
}
}
int best_path(int N, int K, int H[][2], int L[]){
n = N, k = K;
for(int i = 0; i < n - 1; i++){
int u = H[i][0], v = H[i][1], w = L[i];
adj[u].pb(mp(v, w));
adj[v].pb(mp(u, w));
}
dfs();
return (ans >= inf ? -1 : ans);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 6 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
5 ms |
18008 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 10 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18012 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 6 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
5 ms |
18008 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 10 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 20 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 21 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 22 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 24 |
Correct |
7 ms |
18268 KB |
Output is correct |
| 25 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 26 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 27 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 28 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 30 |
Correct |
6 ms |
18480 KB |
Output is correct |
| 31 |
Correct |
7 ms |
18356 KB |
Output is correct |
| 32 |
Correct |
6 ms |
18264 KB |
Output is correct |
| 33 |
Correct |
6 ms |
18280 KB |
Output is correct |
| 34 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 35 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 37 |
Correct |
7 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
7 ms |
18268 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 6 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
5 ms |
18008 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 10 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
114 ms |
39520 KB |
Output is correct |
| 20 |
Correct |
115 ms |
40020 KB |
Output is correct |
| 21 |
Correct |
102 ms |
39332 KB |
Output is correct |
| 22 |
Correct |
108 ms |
38832 KB |
Output is correct |
| 23 |
Correct |
163 ms |
51616 KB |
Output is correct |
| 24 |
Correct |
129 ms |
42604 KB |
Output is correct |
| 25 |
Correct |
90 ms |
37744 KB |
Output is correct |
| 26 |
Correct |
50 ms |
43856 KB |
Output is correct |
| 27 |
Correct |
191 ms |
46928 KB |
Output is correct |
| 28 |
Correct |
314 ms |
79700 KB |
Output is correct |
| 29 |
Correct |
305 ms |
78464 KB |
Output is correct |
| 30 |
Correct |
163 ms |
47020 KB |
Output is correct |
| 31 |
Correct |
188 ms |
47044 KB |
Output is correct |
| 32 |
Correct |
227 ms |
47016 KB |
Output is correct |
| 33 |
Correct |
196 ms |
51796 KB |
Output is correct |
| 34 |
Correct |
292 ms |
83860 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18264 KB |
Output is correct |
| 6 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
5 ms |
18008 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 10 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 14 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
5 ms |
18012 KB |
Output is correct |
| 20 |
Correct |
6 ms |
18008 KB |
Output is correct |
| 21 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 22 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 24 |
Correct |
7 ms |
18268 KB |
Output is correct |
| 25 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 26 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 27 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 28 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 30 |
Correct |
6 ms |
18480 KB |
Output is correct |
| 31 |
Correct |
7 ms |
18356 KB |
Output is correct |
| 32 |
Correct |
6 ms |
18264 KB |
Output is correct |
| 33 |
Correct |
6 ms |
18280 KB |
Output is correct |
| 34 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 35 |
Correct |
5 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
6 ms |
18268 KB |
Output is correct |
| 37 |
Correct |
7 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
7 ms |
18268 KB |
Output is correct |
| 39 |
Correct |
114 ms |
39520 KB |
Output is correct |
| 40 |
Correct |
115 ms |
40020 KB |
Output is correct |
| 41 |
Correct |
102 ms |
39332 KB |
Output is correct |
| 42 |
Correct |
108 ms |
38832 KB |
Output is correct |
| 43 |
Correct |
163 ms |
51616 KB |
Output is correct |
| 44 |
Correct |
129 ms |
42604 KB |
Output is correct |
| 45 |
Correct |
90 ms |
37744 KB |
Output is correct |
| 46 |
Correct |
50 ms |
43856 KB |
Output is correct |
| 47 |
Correct |
191 ms |
46928 KB |
Output is correct |
| 48 |
Correct |
314 ms |
79700 KB |
Output is correct |
| 49 |
Correct |
305 ms |
78464 KB |
Output is correct |
| 50 |
Correct |
163 ms |
47020 KB |
Output is correct |
| 51 |
Correct |
188 ms |
47044 KB |
Output is correct |
| 52 |
Correct |
227 ms |
47016 KB |
Output is correct |
| 53 |
Correct |
196 ms |
51796 KB |
Output is correct |
| 54 |
Correct |
292 ms |
83860 KB |
Output is correct |
| 55 |
Correct |
17 ms |
21080 KB |
Output is correct |
| 56 |
Correct |
16 ms |
19804 KB |
Output is correct |
| 57 |
Correct |
65 ms |
37020 KB |
Output is correct |
| 58 |
Correct |
41 ms |
30416 KB |
Output is correct |
| 59 |
Correct |
99 ms |
50004 KB |
Output is correct |
| 60 |
Correct |
316 ms |
78932 KB |
Output is correct |
| 61 |
Correct |
180 ms |
50324 KB |
Output is correct |
| 62 |
Correct |
172 ms |
46908 KB |
Output is correct |
| 63 |
Correct |
235 ms |
47076 KB |
Output is correct |
| 64 |
Correct |
402 ms |
101684 KB |
Output is correct |
| 65 |
Correct |
427 ms |
99672 KB |
Output is correct |
| 66 |
Correct |
329 ms |
75940 KB |
Output is correct |
| 67 |
Correct |
141 ms |
40892 KB |
Output is correct |
| 68 |
Correct |
377 ms |
63640 KB |
Output is correct |
| 69 |
Correct |
425 ms |
68392 KB |
Output is correct |
| 70 |
Correct |
344 ms |
61520 KB |
Output is correct |
