Submission #1100355

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
11003552024-10-13 14:55:24vjudge1Regions (IOI09_regions)C++17
0 / 100
1154 ms72520 KiB
#include<bits/stdc++.h>
using namespace std;
int n,r,q,ly[200005],h[200005],dp[2505][2505];
vector<int>v[200005],c[200005];
void dfs(int x)
{
for(auto i:v[x])
{
if(ly[x]>ly[i])continue;
dfs(i);
if(h[x]!=h[i])dp[h[x]][h[i]]++;
for(int y=1;y<=r;y++)
{
if(h[i]==y||h[x]==y)continue;
dp[h[x]][y]+=dp[h[i]][y];
}
}
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cin>>n>>r>>q;
int hm,sp;
cin>>hm;
h[1]=hm;
c[hm].push_back(1);
for(int x=2;x<=n;x++)
{
cin>>sp>>hm;
 
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