Submission #718318

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
718318	2023-04-03 20:51:37	lukameladze	Synchronization (JOI13_synchronization)	C++14	100 / 100	219 ms	29684 KiB

synchronization

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;
#define f first
#define s second
// #define int long long
#define pii pair <int, int>
#define pb push_back
const int N = 3e5 + 5;
int t,n,k,q,a[N],x[N],y[N],in[N],tin,lv[N],par[N][20],out[N],ff;
int tree[N],lst[N],add[N],sz[N];
vector <int> v[N];
void dfs(int a, int p) {
  in[a] = ++tin;
  lv[a] = lv[p] + 1;
  par[a][0] = p;
  for (int i = 1; i <= 18; i++) {
    if (par[a][i - 1]) par[a][i] = par[par[a][i - 1]][i - 1];
  }
  for (int to : v[a]) {
    if (to == p) continue;
    dfs(to, a);
  }
  out[a] = tin;
}
void update(int idx, int val) {
  for (int i = idx; i < N; i+=i&(-i)) {
    tree[i] += val;
  }
}
int getans(int idx) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

synchronization.cpp:54:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   54 | main() {
      | ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40