Submission #473460

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
473460	2021-09-15 14:39:16	fadi57	Railway (BOI17_railway)	C++14	100 / 100	411 ms	66748 KiB

railway

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#include<bits/stdc++.h>
using namespace std;
const int mx=1e5+10;
typedef long long ll;
 int mod=1e9+7;
const int MXm=22;
#define F first
#define S second
const int inf=1e9+10;
vector<int>adj[mx];
 vector<pair<int,int>>edges;vector<int>ans;
  int n,m,k;
int depth[mx],dp[20][mx],sz[mx], active[mx];
  set<int>S[mx];
  vector<int>E[mx];
map<pair<int,int>,int>mp;
vector<int>vec[mx];
 void dfs(int node,int par){
 dp[0][node]=par;
 sz[node]=1;
for(int j=1;j<19;j++){
    dp[j][node]=dp[j-1][dp[j-1][node]];
}
  for(auto it:adj[node]){
 
 
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Compilation message (stderr)

railway.cpp: In function 'void dfs2(int, int, bool)':
railway.cpp:106:20: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  106 |   if(S[node].size()>=k){
      |                    ^

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25