Submission #129034

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
129034	2019-07-11 13:04:26	thanos	Min-max tree (BOI18_minmaxtree)	C++14	0 / 100	3 ms	1016 KiB

minmaxtree

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#include<iostream>
#include<map>
#include<vector>
#include<algorithm>
#define pb push_back
using namespace std;
struct edge{
  int x;
  int y;
  int z;
  bool operator<(const edge &rhs)const{return rhs.z<z;};
}q[10005];
struct par{
  int x;
  int y;
  bool operator<(const par &rhs)const{return rhs.x>x;};
};
map<par,int> mym;
vector<int> adj[10005];
bool dfs(int s,int d,int v,bool vis[]){
  vis[s]=true;
  if(s==d){
    return true;
  }
  bool c=false;
  for(int i=0; i<adj[s].size(); i++){
    if(!vis[adj[s].at(i)]){
      if(dfs(adj[s].at(i),d,v,vis)){
        par t; t.x=min(s,adj[s].at(i)); t.y=max(s,adj[s].at(i));
        mym[t]=v;
 
 
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Compilation message (stderr)

minmaxtree.cpp: In function 'bool dfs(int, int, int, bool*)':
minmaxtree.cpp:26:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0; i<adj[s].size(); i++){
                ~^~~~~~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 22
• Subtask 3: 0 / 29
• Subtask 4: 0 / 42