| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 674887 |
2022-12-26T12:49:32 Z |
penguin133 |
Race (IOI11_race) |
C++14 |
|
433 ms |
114120 KB |
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pi pair<ll, ll>
#define pii pair<ll, pi>
#define fi first
#define se second
set<pi>s[200005];
ll os[200005], os2[200005];
vector<pi>v[200005];
ll n, k;
ll ans = 1e18;
void dfs(int x, int par){
s[x].insert({0, 0});
for(auto [i, j] : v[x]){
if(i == par)continue;
dfs(i, x);
os[i] += j;
os2[i]++;
if(s[i].size() > s[x].size())swap(s[i], s[x]), swap(os[i], os[x]), swap(os2[i], os2[x]);
for(auto [el, el2] : s[i]){
int real = el + os[i];
int needed = k - real - os[x];
auto it = s[x].lower_bound({needed, -1e9});
if(it == s[x].end())continue;
pi tmp = *it;
if(tmp.fi == needed)ans = min(ans, os2[x] + os2[i] + el2 + tmp.se);
}
for(auto [el, el2] : s[i]){
int real = el + os[i], real2 = el2 + os2[i];
real -= os[x], real2 -= os2[x];
s[x].insert({real, real2});
}
}
//cout << x << '\n';
//for(auto [i, j] : s[x])cout << i << " " << j << '\n';
//cout << os[x] << " " << os2[x] << '\n';
}
int best_path(int N, int K, int H[][2], int L[])
{
n = N, k = K;
for(int i=0;i<N-1;i++){
v[H[i][0]].push_back({H[i][1], L[i]});
v[H[i][1]].push_back({H[i][0], L[i]});
}
dfs(0, -1);
if(ans == 1e18)return -1;
else return (int32_t)ans;
}
Compilation message
race.cpp: In function 'void dfs(int, int)':
race.cpp:18:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
18 | for(auto [i, j] : v[x]){
| ^
race.cpp:24:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
24 | for(auto [el, el2] : s[i]){
| ^
race.cpp:32:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
32 | for(auto [el, el2] : s[i]){
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14460 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14340 KB |
Output is correct |
| 17 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14408 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14460 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14340 KB |
Output is correct |
| 17 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14408 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 20 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14804 KB |
Output is correct |
| 23 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 24 |
Correct |
10 ms |
14676 KB |
Output is correct |
| 25 |
Correct |
8 ms |
14644 KB |
Output is correct |
| 26 |
Correct |
9 ms |
14676 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 28 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 29 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14676 KB |
Output is correct |
| 31 |
Correct |
9 ms |
14676 KB |
Output is correct |
| 32 |
Correct |
9 ms |
14680 KB |
Output is correct |
| 33 |
Correct |
8 ms |
14684 KB |
Output is correct |
| 34 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 35 |
Correct |
8 ms |
14704 KB |
Output is correct |
| 36 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14672 KB |
Output is correct |
| 38 |
Correct |
8 ms |
14672 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14460 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14340 KB |
Output is correct |
| 17 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14408 KB |
Output is correct |
| 19 |
Correct |
135 ms |
44112 KB |
Output is correct |
| 20 |
Correct |
139 ms |
44020 KB |
Output is correct |
| 21 |
Correct |
133 ms |
43328 KB |
Output is correct |
| 22 |
Correct |
146 ms |
41892 KB |
Output is correct |
| 23 |
Correct |
179 ms |
56488 KB |
Output is correct |
| 24 |
Correct |
123 ms |
42444 KB |
Output is correct |
| 25 |
Correct |
131 ms |
49244 KB |
Output is correct |
| 26 |
Correct |
83 ms |
55972 KB |
Output is correct |
| 27 |
Correct |
204 ms |
55828 KB |
Output is correct |
| 28 |
Correct |
294 ms |
97924 KB |
Output is correct |
| 29 |
Correct |
297 ms |
95936 KB |
Output is correct |
| 30 |
Correct |
187 ms |
55784 KB |
Output is correct |
| 31 |
Correct |
210 ms |
55680 KB |
Output is correct |
| 32 |
Correct |
285 ms |
55820 KB |
Output is correct |
| 33 |
Correct |
231 ms |
57488 KB |
Output is correct |
| 34 |
Correct |
333 ms |
90472 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14460 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14340 KB |
Output is correct |
| 17 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14408 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 20 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14804 KB |
Output is correct |
| 23 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 24 |
Correct |
10 ms |
14676 KB |
Output is correct |
| 25 |
Correct |
8 ms |
14644 KB |
Output is correct |
| 26 |
Correct |
9 ms |
14676 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 28 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 29 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14676 KB |
Output is correct |
| 31 |
Correct |
9 ms |
14676 KB |
Output is correct |
| 32 |
Correct |
9 ms |
14680 KB |
Output is correct |
| 33 |
Correct |
8 ms |
14684 KB |
Output is correct |
| 34 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 35 |
Correct |
8 ms |
14704 KB |
Output is correct |
| 36 |
Correct |
8 ms |
14676 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14672 KB |
Output is correct |
| 38 |
Correct |
8 ms |
14672 KB |
Output is correct |
| 39 |
Correct |
135 ms |
44112 KB |
Output is correct |
| 40 |
Correct |
139 ms |
44020 KB |
Output is correct |
| 41 |
Correct |
133 ms |
43328 KB |
Output is correct |
| 42 |
Correct |
146 ms |
41892 KB |
Output is correct |
| 43 |
Correct |
179 ms |
56488 KB |
Output is correct |
| 44 |
Correct |
123 ms |
42444 KB |
Output is correct |
| 45 |
Correct |
131 ms |
49244 KB |
Output is correct |
| 46 |
Correct |
83 ms |
55972 KB |
Output is correct |
| 47 |
Correct |
204 ms |
55828 KB |
Output is correct |
| 48 |
Correct |
294 ms |
97924 KB |
Output is correct |
| 49 |
Correct |
297 ms |
95936 KB |
Output is correct |
| 50 |
Correct |
187 ms |
55784 KB |
Output is correct |
| 51 |
Correct |
210 ms |
55680 KB |
Output is correct |
| 52 |
Correct |
285 ms |
55820 KB |
Output is correct |
| 53 |
Correct |
231 ms |
57488 KB |
Output is correct |
| 54 |
Correct |
333 ms |
90472 KB |
Output is correct |
| 55 |
Correct |
25 ms |
17980 KB |
Output is correct |
| 56 |
Correct |
16 ms |
16852 KB |
Output is correct |
| 57 |
Correct |
90 ms |
38740 KB |
Output is correct |
| 58 |
Correct |
50 ms |
29096 KB |
Output is correct |
| 59 |
Correct |
81 ms |
55948 KB |
Output is correct |
| 60 |
Correct |
258 ms |
96420 KB |
Output is correct |
| 61 |
Correct |
234 ms |
61524 KB |
Output is correct |
| 62 |
Correct |
205 ms |
55812 KB |
Output is correct |
| 63 |
Correct |
278 ms |
55888 KB |
Output is correct |
| 64 |
Correct |
433 ms |
114120 KB |
Output is correct |
| 65 |
Correct |
422 ms |
105768 KB |
Output is correct |
| 66 |
Correct |
299 ms |
91340 KB |
Output is correct |
| 67 |
Correct |
197 ms |
45524 KB |
Output is correct |
| 68 |
Correct |
343 ms |
70800 KB |
Output is correct |
| 69 |
Correct |
337 ms |
76028 KB |
Output is correct |
| 70 |
Correct |
315 ms |
68172 KB |
Output is correct |
