Submission #666426

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
666426	2022-11-28 15:41:57	Melika0gh	Regions (IOI09_regions)	C++17	80 / 100	4157 ms	72516 KiB

regions

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#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10, maxr = 25e3, maxsq = 500;
int st[maxn], ft[maxn], pnt[maxn], cnt_big[maxsq + 10], cnt[maxsq + 10][maxr], h[maxn];
vector<int> tmp_team[maxr], team[maxr];
vector<int> adj[maxn];
int n, q, r, t;
void Dfs(int v, int p)
{
  st[v] = t++;
  if(pnt[h[v]] > 0)
    cnt_big[pnt[h[v]]]++;
  
  team[h[v]].push_back(st[v]);
  
  for(int u : adj[v])
  {
    for(int i = 1; i < maxsq + 10; i++)
      cnt[i][h[u]] += cnt_big[i];
      
    Dfs(u, v);
  }
  
  if(pnt[h[v]] > 0)
    cnt_big[pnt[h[v]]]--;
    
  ft[v] = t;
}
 
 
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Compilation message (stderr)

regions.cpp: In function 'int main()':
regions.cpp:65:6: warning: statement has no effect [-Wunused-value]
   65 |  for(q; q > 0; q--)
      |      ^

• Subtask 1: 15 / 15
• Subtask 2: 65 / 85