| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 994452 |
2024-06-07T16:20:44 Z |
pannenkoek |
Race (IOI11_race) |
C++17 |
|
3000 ms |
109136 KB |
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define pb push_back
#define fi first
#define se second
using ll = long long;
using ld = long double;
using pii = pair<ll, ll>;
const int MAXN = 2e5 + 5;
vector<pii> adj[MAXN];
map<ll, ll> poss[MAXN];
ll off[MAXN];
ll res = 1e18;
int k;
void dfs(ll v, ll p){
poss[v][0] = 0;
for(auto [u, d]: adj[v]){
if(u == p) continue;
dfs(u, v);
off[u] += d;
// if(poss[u].size() > poss[v].size()) {
// swap(off[u], off[v]);
// swap(poss[u], poss[v]);
// }
set<ll> new_entries;
map<ll, ll> old_vals;
for(auto [dis, cost]: poss[u]){
ll real_dis = dis + off[u];
if(real_dis > k) continue;
ll miss = k - real_dis - off[v];
if(poss[v].count(miss) && !new_entries.count(miss)){
ll old_cost = poss[v][miss];
if(old_vals.count(miss)) {
old_cost = old_vals[miss];
}
res = min(old_cost + 1 + cost, res);
}
real_dis -= off[v];
if(poss[v].count(real_dis)) {
old_vals[real_dis] = poss[v][real_dis];
poss[v][real_dis] = min(poss[v][real_dis], cost + 1);
} else {
poss[v][real_dis] = cost + 1;
new_entries.insert(real_dis);
}
}
poss[u] = {};
}
}
int best_path(int N, int K, int H[][2], int L[]) {
rep(i, 0, N) {
adj[i] = {};
poss[i] = {};
off[i] = 0;
}
k = K;
rep(i, 0, N - 1) {
adj[H[i][0]].pb({H[i][1], L[i]});
adj[H[i][1]].pb({H[i][0], L[i]});
}
dfs(0, -1);
if(res < 1e18) return res;
else return -1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
19544 KB |
Output is correct |
| 2 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 3 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 4 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 5 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 6 |
Correct |
3 ms |
19784 KB |
Output is correct |
| 7 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 8 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 9 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 10 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 11 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 12 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 13 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 14 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 15 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 16 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 17 |
Correct |
5 ms |
19548 KB |
Output is correct |
| 18 |
Correct |
3 ms |
19544 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
19544 KB |
Output is correct |
| 2 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 3 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 4 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 5 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 6 |
Correct |
3 ms |
19784 KB |
Output is correct |
| 7 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 8 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 9 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 10 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 11 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 12 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 13 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 14 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 15 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 16 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 17 |
Correct |
5 ms |
19548 KB |
Output is correct |
| 18 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 19 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 20 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 21 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 22 |
Correct |
3 ms |
19804 KB |
Output is correct |
| 23 |
Correct |
3 ms |
19816 KB |
Output is correct |
| 24 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 25 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 26 |
Correct |
3 ms |
19804 KB |
Output is correct |
| 27 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 28 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 29 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 30 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 31 |
Correct |
5 ms |
19860 KB |
Output is correct |
| 32 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 33 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 34 |
Correct |
6 ms |
19804 KB |
Output is correct |
| 35 |
Correct |
6 ms |
19800 KB |
Output is correct |
| 36 |
Correct |
6 ms |
19804 KB |
Output is correct |
| 37 |
Correct |
13 ms |
19888 KB |
Output is correct |
| 38 |
Correct |
9 ms |
19800 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
19544 KB |
Output is correct |
| 2 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 3 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 4 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 5 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 6 |
Correct |
3 ms |
19784 KB |
Output is correct |
| 7 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 8 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 9 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 10 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 11 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 12 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 13 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 14 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 15 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 16 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 17 |
Correct |
5 ms |
19548 KB |
Output is correct |
| 18 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 19 |
Correct |
127 ms |
27092 KB |
Output is correct |
| 20 |
Correct |
126 ms |
26960 KB |
Output is correct |
| 21 |
Correct |
129 ms |
26960 KB |
Output is correct |
| 22 |
Correct |
92 ms |
26960 KB |
Output is correct |
| 23 |
Correct |
44 ms |
27228 KB |
Output is correct |
| 24 |
Correct |
51 ms |
26456 KB |
Output is correct |
| 25 |
Correct |
912 ms |
47440 KB |
Output is correct |
| 26 |
Correct |
657 ms |
65620 KB |
Output is correct |
| 27 |
Correct |
191 ms |
32960 KB |
Output is correct |
| 28 |
Correct |
158 ms |
109136 KB |
Output is correct |
| 29 |
Correct |
154 ms |
103512 KB |
Output is correct |
| 30 |
Correct |
195 ms |
32872 KB |
Output is correct |
| 31 |
Correct |
192 ms |
33108 KB |
Output is correct |
| 32 |
Correct |
156 ms |
32852 KB |
Output is correct |
| 33 |
Correct |
1467 ms |
32440 KB |
Output is correct |
| 34 |
Correct |
81 ms |
32336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
19544 KB |
Output is correct |
| 2 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 3 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 4 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 5 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 6 |
Correct |
3 ms |
19784 KB |
Output is correct |
| 7 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 8 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 9 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 10 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 11 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 12 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 13 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 14 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 15 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 16 |
Correct |
4 ms |
19548 KB |
Output is correct |
| 17 |
Correct |
5 ms |
19548 KB |
Output is correct |
| 18 |
Correct |
3 ms |
19544 KB |
Output is correct |
| 19 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 20 |
Correct |
3 ms |
19548 KB |
Output is correct |
| 21 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 22 |
Correct |
3 ms |
19804 KB |
Output is correct |
| 23 |
Correct |
3 ms |
19816 KB |
Output is correct |
| 24 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 25 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 26 |
Correct |
3 ms |
19804 KB |
Output is correct |
| 27 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 28 |
Correct |
4 ms |
19804 KB |
Output is correct |
| 29 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 30 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 31 |
Correct |
5 ms |
19860 KB |
Output is correct |
| 32 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 33 |
Correct |
5 ms |
19804 KB |
Output is correct |
| 34 |
Correct |
6 ms |
19804 KB |
Output is correct |
| 35 |
Correct |
6 ms |
19800 KB |
Output is correct |
| 36 |
Correct |
6 ms |
19804 KB |
Output is correct |
| 37 |
Correct |
13 ms |
19888 KB |
Output is correct |
| 38 |
Correct |
9 ms |
19800 KB |
Output is correct |
| 39 |
Correct |
127 ms |
27092 KB |
Output is correct |
| 40 |
Correct |
126 ms |
26960 KB |
Output is correct |
| 41 |
Correct |
129 ms |
26960 KB |
Output is correct |
| 42 |
Correct |
92 ms |
26960 KB |
Output is correct |
| 43 |
Correct |
44 ms |
27228 KB |
Output is correct |
| 44 |
Correct |
51 ms |
26456 KB |
Output is correct |
| 45 |
Correct |
912 ms |
47440 KB |
Output is correct |
| 46 |
Correct |
657 ms |
65620 KB |
Output is correct |
| 47 |
Correct |
191 ms |
32960 KB |
Output is correct |
| 48 |
Correct |
158 ms |
109136 KB |
Output is correct |
| 49 |
Correct |
154 ms |
103512 KB |
Output is correct |
| 50 |
Correct |
195 ms |
32872 KB |
Output is correct |
| 51 |
Correct |
192 ms |
33108 KB |
Output is correct |
| 52 |
Correct |
156 ms |
32852 KB |
Output is correct |
| 53 |
Correct |
1467 ms |
32440 KB |
Output is correct |
| 54 |
Correct |
81 ms |
32336 KB |
Output is correct |
| 55 |
Correct |
19 ms |
20568 KB |
Output is correct |
| 56 |
Correct |
10 ms |
20224 KB |
Output is correct |
| 57 |
Correct |
50 ms |
27428 KB |
Output is correct |
| 58 |
Correct |
37 ms |
26560 KB |
Output is correct |
| 59 |
Execution timed out |
3038 ms |
66376 KB |
Time limit exceeded |
| 60 |
Halted |
0 ms |
0 KB |
- |
