Submission #257603

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
257603	2020-08-04 13:10:23	davi_bart	Dreaming (IOI13_dreaming)	C++14	100 / 100	240 ms	11116 KiB

dreaming

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#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include "dreaming.h"
using namespace std;
typedef long long ll;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<pair<int,int> > v[100010];
vector<pair<int,int> >group;
vector<bool> vis(100010,0);
vector<int> distA(100010,0),distB(100010,0);//profondita;
void dist(int pos){
  priority_queue<pair<pair<int,int>,int>,vector<pair<pair<int,int>,int > >,greater<pair<pair<int,int>,int> > >q;
  q.push({{0,pos},-1});
  vector<int> y;
  int A=pos;
  while(!q.empty()){
    int p=q.top().first.second;
    int d=q.top().first.first;
    int prec=q.top().second;
    q.pop();
    y.push_back(p);
    vis[p]=1;
    A=p;
    for(auto x:v[p])if(x.first!=prec)q.push({{d+x.second,x.first},p});
  }
  q.push({{0,A},-1});
  int B=A;
  while(!q.empty()){
    int p=q.top().first.second;
 
 
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Compilation message (stderr)

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:66:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=1;i<group.size();i++){
               ~^~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 10 / 10
• Subtask 3: 23 / 23
• Subtask 4: 18 / 18
• Subtask 5: 12 / 12
• Subtask 6: 23 / 23