| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 875888 |
2023-11-20T17:12:52 Z |
hqminhuwu |
Race (IOI11_race) |
C++14 |
|
377 ms |
112888 KB |
#include <bits/stdc++.h>
#define forr(_a,_b,_c) for(_a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(_a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(_a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define ll long long
#define ull unsigned long long
#define pii pair <int,int>
#define pll pair <int,ll>
#define piii pair <int,pii>
#define vi vector <int>
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define file "test"
using namespace std;
const int N = 2e5 + 5;
const ll oo = 1e9;
const ll mod = 1e9 + 7;
map <int,ll> m[N];
vector <pll> a[N];
ll res, f[N], rk[N], dep[N];
ll k;
void dfs (int u, int p, ll c, int h) {
m[u][c] = h;
rk[u] = c;
dep[u] = h;
ll need = k + 2 * rk[u];
for (pii v : a[u]) {
if (v.st == p) continue;
dfs (v.st, u, c + v.nd, h + 1);
if (m[v.st].size() > m[u].size())
swap(m[v.st], m[u]);
for (pll w : m[v.st])
if (m[u].find(need - w.st) != m[u].end())
res = min(res, m[u][need - w.st] + w.nd - 2 * dep[u]);
for (pll w : m[v.st]) {
if (m[u].find(w.st) == m[u].end())
m[u].insert(w);
else m[u][w.st] = min(m[u][w.st], w.nd);
}
}
}
int n,i,u,v,w;
int best_path (int nn, int kk, int edge[][2], int ww[]){
res = oo;
n = nn;
k = kk;
if (k == 1)
return 0;
forf (i,0,n - 1){
u = edge[i][0];
v = edge[i][1];
w = ww[i];
a[u].pb({v,w});
a[v].pb({u,w});
}
dfs(0,0,0,0);
return (res <= n - 1 ? res : -1);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 2 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 3 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 4 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 5 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 6 |
Correct |
4 ms |
20796 KB |
Output is correct |
| 7 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 8 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 9 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 10 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 11 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 12 |
Correct |
4 ms |
20856 KB |
Output is correct |
| 13 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 14 |
Correct |
5 ms |
20824 KB |
Output is correct |
| 15 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 16 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 17 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 18 |
Correct |
4 ms |
20828 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 2 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 3 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 4 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 5 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 6 |
Correct |
4 ms |
20796 KB |
Output is correct |
| 7 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 8 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 9 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 10 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 11 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 12 |
Correct |
4 ms |
20856 KB |
Output is correct |
| 13 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 14 |
Correct |
5 ms |
20824 KB |
Output is correct |
| 15 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 16 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 17 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 18 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 19 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 20 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 21 |
Correct |
5 ms |
20924 KB |
Output is correct |
| 22 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 23 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 24 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 25 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 26 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 27 |
Correct |
6 ms |
20828 KB |
Output is correct |
| 28 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 29 |
Correct |
6 ms |
21080 KB |
Output is correct |
| 30 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 31 |
Correct |
5 ms |
21124 KB |
Output is correct |
| 32 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 33 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 34 |
Correct |
5 ms |
21088 KB |
Output is correct |
| 35 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 36 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 37 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 38 |
Correct |
5 ms |
21084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 2 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 3 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 4 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 5 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 6 |
Correct |
4 ms |
20796 KB |
Output is correct |
| 7 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 8 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 9 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 10 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 11 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 12 |
Correct |
4 ms |
20856 KB |
Output is correct |
| 13 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 14 |
Correct |
5 ms |
20824 KB |
Output is correct |
| 15 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 16 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 17 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 18 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 19 |
Correct |
99 ms |
44628 KB |
Output is correct |
| 20 |
Correct |
101 ms |
44728 KB |
Output is correct |
| 21 |
Correct |
95 ms |
44436 KB |
Output is correct |
| 22 |
Correct |
110 ms |
44044 KB |
Output is correct |
| 23 |
Correct |
133 ms |
56764 KB |
Output is correct |
| 24 |
Correct |
101 ms |
46720 KB |
Output is correct |
| 25 |
Correct |
88 ms |
45476 KB |
Output is correct |
| 26 |
Correct |
52 ms |
53596 KB |
Output is correct |
| 27 |
Correct |
153 ms |
56892 KB |
Output is correct |
| 28 |
Correct |
260 ms |
98640 KB |
Output is correct |
| 29 |
Correct |
241 ms |
96844 KB |
Output is correct |
| 30 |
Correct |
150 ms |
56656 KB |
Output is correct |
| 31 |
Correct |
143 ms |
56544 KB |
Output is correct |
| 32 |
Correct |
187 ms |
56624 KB |
Output is correct |
| 33 |
Correct |
197 ms |
61668 KB |
Output is correct |
| 34 |
Correct |
297 ms |
93668 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 2 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 3 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 4 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 5 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 6 |
Correct |
4 ms |
20796 KB |
Output is correct |
| 7 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 8 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 9 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 10 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 11 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 12 |
Correct |
4 ms |
20856 KB |
Output is correct |
| 13 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 14 |
Correct |
5 ms |
20824 KB |
Output is correct |
| 15 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 16 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 17 |
Correct |
4 ms |
20824 KB |
Output is correct |
| 18 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 19 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 20 |
Correct |
4 ms |
20828 KB |
Output is correct |
| 21 |
Correct |
5 ms |
20924 KB |
Output is correct |
| 22 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 23 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 24 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 25 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 26 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 27 |
Correct |
6 ms |
20828 KB |
Output is correct |
| 28 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 29 |
Correct |
6 ms |
21080 KB |
Output is correct |
| 30 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 31 |
Correct |
5 ms |
21124 KB |
Output is correct |
| 32 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 33 |
Correct |
6 ms |
21084 KB |
Output is correct |
| 34 |
Correct |
5 ms |
21088 KB |
Output is correct |
| 35 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 36 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 37 |
Correct |
5 ms |
20828 KB |
Output is correct |
| 38 |
Correct |
5 ms |
21084 KB |
Output is correct |
| 39 |
Correct |
99 ms |
44628 KB |
Output is correct |
| 40 |
Correct |
101 ms |
44728 KB |
Output is correct |
| 41 |
Correct |
95 ms |
44436 KB |
Output is correct |
| 42 |
Correct |
110 ms |
44044 KB |
Output is correct |
| 43 |
Correct |
133 ms |
56764 KB |
Output is correct |
| 44 |
Correct |
101 ms |
46720 KB |
Output is correct |
| 45 |
Correct |
88 ms |
45476 KB |
Output is correct |
| 46 |
Correct |
52 ms |
53596 KB |
Output is correct |
| 47 |
Correct |
153 ms |
56892 KB |
Output is correct |
| 48 |
Correct |
260 ms |
98640 KB |
Output is correct |
| 49 |
Correct |
241 ms |
96844 KB |
Output is correct |
| 50 |
Correct |
150 ms |
56656 KB |
Output is correct |
| 51 |
Correct |
143 ms |
56544 KB |
Output is correct |
| 52 |
Correct |
187 ms |
56624 KB |
Output is correct |
| 53 |
Correct |
197 ms |
61668 KB |
Output is correct |
| 54 |
Correct |
297 ms |
93668 KB |
Output is correct |
| 55 |
Correct |
16 ms |
23896 KB |
Output is correct |
| 56 |
Correct |
11 ms |
22620 KB |
Output is correct |
| 57 |
Correct |
62 ms |
42572 KB |
Output is correct |
| 58 |
Correct |
43 ms |
34956 KB |
Output is correct |
| 59 |
Correct |
77 ms |
60308 KB |
Output is correct |
| 60 |
Correct |
227 ms |
98652 KB |
Output is correct |
| 61 |
Correct |
177 ms |
61524 KB |
Output is correct |
| 62 |
Correct |
142 ms |
57696 KB |
Output is correct |
| 63 |
Correct |
186 ms |
57848 KB |
Output is correct |
| 64 |
Correct |
377 ms |
112888 KB |
Output is correct |
| 65 |
Correct |
357 ms |
110644 KB |
Output is correct |
| 66 |
Correct |
272 ms |
93956 KB |
Output is correct |
| 67 |
Correct |
138 ms |
51380 KB |
Output is correct |
| 68 |
Correct |
283 ms |
74360 KB |
Output is correct |
| 69 |
Correct |
302 ms |
78928 KB |
Output is correct |
| 70 |
Correct |
279 ms |
71980 KB |
Output is correct |
