| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 787799 |
2023-07-19T12:49:52 Z |
allin27x |
Race (IOI11_race) |
C++17 |
|
540 ms |
136840 KB |
#include <bits/stdc++.h>
#define int long long
using namespace std;
int n; int t;
signed ans = 1e7;
unordered_map<int,int> adj[(int)2e5];
int off1[(int)2e5];
int off2[(int)2e5];
unordered_map<int, int> pth[(int)2e5];
void dfs(int i, int p){
for (auto const &pair1: adj[i]){
int c = pair1.first; int w = pair1.second;
if (c==p) continue;
dfs(c,i);
off1[c]+=w;
off2[c]+=1;
if (pth[i].size() < pth[c].size()){
swap(pth[i], pth[c]);
swap(off1[c], off1[i]);
swap(off2[c], off2[i]);
}
for (auto const & pr: pth[c]){
int s = pr.first; int l = pr.second;
if (pth[i].count(t-s-off1[c]-off1[i])) ans = min(ans,(signed)(l+pth[i][t-s-off1[c]-off1[i]]+off2[i]+off2[c]));
}
for (auto const & pr: pth[c]){
int s = pr.first; int l = pr.second;
if (pth[i].count(s-off1[i]+off1[c]))pth[i][s-off1[i]+off1[c]] = min(pth[i][s-off1[i]+off1[c]], l+off2[c]-off2[i]);
else pth[i][s-off1[i]+off1[c]] = l+off2[c]-off2[i];
}
}
}
signed best_path(signed sz, signed k, signed h[][2], signed l[]){
n = sz; t=k;
for (int i=0; i<n-1; i++){
int a = h[i][0]; int b = h[i][1];
adj[a][b] = l[i]; adj[b][a] = l[i];
}
for (int i=0; i<n; i++) pth[i][0] = 0;
for (int i=0; i<n; i++) off1[i] = 0;
for (int i=0; i<n; i++) off2[i] = 0;
dfs(0,0);
if (ans==(int)1e7) return -1;
return ans;
}
// signed main(){
// signed n= 11, k=12;
// signed h[n-1][2];
// signed l[n-1];
// for (int i=0; i<n-1; i++) cin>>h[i][0]>>h[i][1];
// for (int i=0; i<n-1; i++) cin>>l[i];
// cout<<best_path(n, k, h, l);
// }
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 2 |
Correct |
13 ms |
22260 KB |
Output is correct |
| 3 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 4 |
Correct |
13 ms |
22196 KB |
Output is correct |
| 5 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 6 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 7 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 8 |
Correct |
13 ms |
22248 KB |
Output is correct |
| 9 |
Correct |
12 ms |
22192 KB |
Output is correct |
| 10 |
Correct |
14 ms |
22296 KB |
Output is correct |
| 11 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 12 |
Correct |
13 ms |
22200 KB |
Output is correct |
| 13 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 14 |
Correct |
11 ms |
22228 KB |
Output is correct |
| 15 |
Correct |
11 ms |
22236 KB |
Output is correct |
| 16 |
Correct |
13 ms |
22228 KB |
Output is correct |
| 17 |
Correct |
14 ms |
22216 KB |
Output is correct |
| 18 |
Correct |
13 ms |
22296 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 2 |
Correct |
13 ms |
22260 KB |
Output is correct |
| 3 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 4 |
Correct |
13 ms |
22196 KB |
Output is correct |
| 5 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 6 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 7 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 8 |
Correct |
13 ms |
22248 KB |
Output is correct |
| 9 |
Correct |
12 ms |
22192 KB |
Output is correct |
| 10 |
Correct |
14 ms |
22296 KB |
Output is correct |
| 11 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 12 |
Correct |
13 ms |
22200 KB |
Output is correct |
| 13 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 14 |
Correct |
11 ms |
22228 KB |
Output is correct |
| 15 |
Correct |
11 ms |
22236 KB |
Output is correct |
| 16 |
Correct |
13 ms |
22228 KB |
Output is correct |
| 17 |
Correct |
14 ms |
22216 KB |
Output is correct |
| 18 |
Correct |
13 ms |
22296 KB |
Output is correct |
| 19 |
Correct |
11 ms |
22188 KB |
Output is correct |
| 20 |
Correct |
11 ms |
22228 KB |
Output is correct |
| 21 |
Correct |
12 ms |
22684 KB |
Output is correct |
| 22 |
Correct |
12 ms |
22608 KB |
Output is correct |
| 23 |
Correct |
12 ms |
22704 KB |
Output is correct |
| 24 |
Correct |
12 ms |
22716 KB |
Output is correct |
| 25 |
Correct |
12 ms |
22612 KB |
Output is correct |
| 26 |
Correct |
13 ms |
22612 KB |
Output is correct |
| 27 |
Correct |
12 ms |
22612 KB |
Output is correct |
| 28 |
Correct |
13 ms |
22712 KB |
Output is correct |
| 29 |
Correct |
13 ms |
22720 KB |
Output is correct |
| 30 |
Correct |
14 ms |
22716 KB |
Output is correct |
| 31 |
Correct |
14 ms |
22732 KB |
Output is correct |
| 32 |
Correct |
13 ms |
22612 KB |
Output is correct |
| 33 |
Correct |
15 ms |
22604 KB |
Output is correct |
| 34 |
Correct |
13 ms |
22676 KB |
Output is correct |
| 35 |
Correct |
13 ms |
22628 KB |
Output is correct |
| 36 |
Correct |
14 ms |
22640 KB |
Output is correct |
| 37 |
Correct |
15 ms |
22612 KB |
Output is correct |
| 38 |
Correct |
15 ms |
22552 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 2 |
Correct |
13 ms |
22260 KB |
Output is correct |
| 3 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 4 |
Correct |
13 ms |
22196 KB |
Output is correct |
| 5 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 6 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 7 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 8 |
Correct |
13 ms |
22248 KB |
Output is correct |
| 9 |
Correct |
12 ms |
22192 KB |
Output is correct |
| 10 |
Correct |
14 ms |
22296 KB |
Output is correct |
| 11 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 12 |
Correct |
13 ms |
22200 KB |
Output is correct |
| 13 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 14 |
Correct |
11 ms |
22228 KB |
Output is correct |
| 15 |
Correct |
11 ms |
22236 KB |
Output is correct |
| 16 |
Correct |
13 ms |
22228 KB |
Output is correct |
| 17 |
Correct |
14 ms |
22216 KB |
Output is correct |
| 18 |
Correct |
13 ms |
22296 KB |
Output is correct |
| 19 |
Correct |
139 ms |
62028 KB |
Output is correct |
| 20 |
Correct |
139 ms |
62048 KB |
Output is correct |
| 21 |
Correct |
138 ms |
62020 KB |
Output is correct |
| 22 |
Correct |
214 ms |
62464 KB |
Output is correct |
| 23 |
Correct |
163 ms |
69456 KB |
Output is correct |
| 24 |
Correct |
137 ms |
63500 KB |
Output is correct |
| 25 |
Correct |
142 ms |
65808 KB |
Output is correct |
| 26 |
Correct |
92 ms |
73420 KB |
Output is correct |
| 27 |
Correct |
273 ms |
95820 KB |
Output is correct |
| 28 |
Correct |
333 ms |
134060 KB |
Output is correct |
| 29 |
Correct |
357 ms |
131740 KB |
Output is correct |
| 30 |
Correct |
267 ms |
95820 KB |
Output is correct |
| 31 |
Correct |
292 ms |
95804 KB |
Output is correct |
| 32 |
Correct |
458 ms |
95800 KB |
Output is correct |
| 33 |
Correct |
317 ms |
99104 KB |
Output is correct |
| 34 |
Correct |
465 ms |
121508 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 2 |
Correct |
13 ms |
22260 KB |
Output is correct |
| 3 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 4 |
Correct |
13 ms |
22196 KB |
Output is correct |
| 5 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 6 |
Correct |
11 ms |
22244 KB |
Output is correct |
| 7 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 8 |
Correct |
13 ms |
22248 KB |
Output is correct |
| 9 |
Correct |
12 ms |
22192 KB |
Output is correct |
| 10 |
Correct |
14 ms |
22296 KB |
Output is correct |
| 11 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 12 |
Correct |
13 ms |
22200 KB |
Output is correct |
| 13 |
Correct |
12 ms |
22228 KB |
Output is correct |
| 14 |
Correct |
11 ms |
22228 KB |
Output is correct |
| 15 |
Correct |
11 ms |
22236 KB |
Output is correct |
| 16 |
Correct |
13 ms |
22228 KB |
Output is correct |
| 17 |
Correct |
14 ms |
22216 KB |
Output is correct |
| 18 |
Correct |
13 ms |
22296 KB |
Output is correct |
| 19 |
Correct |
11 ms |
22188 KB |
Output is correct |
| 20 |
Correct |
11 ms |
22228 KB |
Output is correct |
| 21 |
Correct |
12 ms |
22684 KB |
Output is correct |
| 22 |
Correct |
12 ms |
22608 KB |
Output is correct |
| 23 |
Correct |
12 ms |
22704 KB |
Output is correct |
| 24 |
Correct |
12 ms |
22716 KB |
Output is correct |
| 25 |
Correct |
12 ms |
22612 KB |
Output is correct |
| 26 |
Correct |
13 ms |
22612 KB |
Output is correct |
| 27 |
Correct |
12 ms |
22612 KB |
Output is correct |
| 28 |
Correct |
13 ms |
22712 KB |
Output is correct |
| 29 |
Correct |
13 ms |
22720 KB |
Output is correct |
| 30 |
Correct |
14 ms |
22716 KB |
Output is correct |
| 31 |
Correct |
14 ms |
22732 KB |
Output is correct |
| 32 |
Correct |
13 ms |
22612 KB |
Output is correct |
| 33 |
Correct |
15 ms |
22604 KB |
Output is correct |
| 34 |
Correct |
13 ms |
22676 KB |
Output is correct |
| 35 |
Correct |
13 ms |
22628 KB |
Output is correct |
| 36 |
Correct |
14 ms |
22640 KB |
Output is correct |
| 37 |
Correct |
15 ms |
22612 KB |
Output is correct |
| 38 |
Correct |
15 ms |
22552 KB |
Output is correct |
| 39 |
Correct |
139 ms |
62028 KB |
Output is correct |
| 40 |
Correct |
139 ms |
62048 KB |
Output is correct |
| 41 |
Correct |
138 ms |
62020 KB |
Output is correct |
| 42 |
Correct |
214 ms |
62464 KB |
Output is correct |
| 43 |
Correct |
163 ms |
69456 KB |
Output is correct |
| 44 |
Correct |
137 ms |
63500 KB |
Output is correct |
| 45 |
Correct |
142 ms |
65808 KB |
Output is correct |
| 46 |
Correct |
92 ms |
73420 KB |
Output is correct |
| 47 |
Correct |
273 ms |
95820 KB |
Output is correct |
| 48 |
Correct |
333 ms |
134060 KB |
Output is correct |
| 49 |
Correct |
357 ms |
131740 KB |
Output is correct |
| 50 |
Correct |
267 ms |
95820 KB |
Output is correct |
| 51 |
Correct |
292 ms |
95804 KB |
Output is correct |
| 52 |
Correct |
458 ms |
95800 KB |
Output is correct |
| 53 |
Correct |
317 ms |
99104 KB |
Output is correct |
| 54 |
Correct |
465 ms |
121508 KB |
Output is correct |
| 55 |
Correct |
25 ms |
27220 KB |
Output is correct |
| 56 |
Correct |
24 ms |
25952 KB |
Output is correct |
| 57 |
Correct |
86 ms |
59624 KB |
Output is correct |
| 58 |
Correct |
74 ms |
57532 KB |
Output is correct |
| 59 |
Correct |
89 ms |
78068 KB |
Output is correct |
| 60 |
Correct |
328 ms |
132596 KB |
Output is correct |
| 61 |
Correct |
286 ms |
98092 KB |
Output is correct |
| 62 |
Correct |
332 ms |
95692 KB |
Output is correct |
| 63 |
Correct |
451 ms |
95712 KB |
Output is correct |
| 64 |
Correct |
540 ms |
131340 KB |
Output is correct |
| 65 |
Correct |
525 ms |
136840 KB |
Output is correct |
| 66 |
Correct |
377 ms |
128048 KB |
Output is correct |
| 67 |
Correct |
266 ms |
93212 KB |
Output is correct |
| 68 |
Correct |
507 ms |
107792 KB |
Output is correct |
| 69 |
Correct |
487 ms |
107880 KB |
Output is correct |
| 70 |
Correct |
465 ms |
103464 KB |
Output is correct |
