Submission #757746

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
757746	2023-06-13 17:32:14	taher	Race (IOI11_race)	C++17	100 / 100	402 ms	44040 KiB

race

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
const int inf = (int) 1e9;
const int N = (int) 2e5 + 1;
const int M = (int) 1e6 + 1;
vector<pair<int, int>> adj[N];
vector<pair<int, int>> tmp;
int Get_Min[M], idx[M];
int sz[N];
bool vis[N];
int ans = inf;
int k;
int Dfs2(int node, int pre, int depth, int tot, int id) {
  if (tot > k) return inf;
  int res = inf;
  if (idx[k - tot] == id) {
    res = min(res, Get_Min[k - tot] + depth);
  }
  tmp.emplace_back(tot, depth);
  for (auto [x, y] : adj[node]) {
    if (x == pre || vis[x]) {
      continue;
    }
    res = min(res, Dfs2(x, node, depth + 1, tot + y, id));
  }
  return res;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57