Submission #981283

#	Time	Username	Problem	Language	Result	Execution time	Memory
981283		Faisal_Saqib	Rainforest Jumps (APIO21_jumps)	C++17	Compilation error	0 ms	0 KiB

jumps

#include "jumps.h"

#include <vector>


#include <bits/stdc++.h>

#include "stub.cpp"

using namespace std;
const int N=202;
int n;
int dist[N];
vector<int> adj[N];
void init(int NP, std::vector<int> h) {
  n=NP;
  set<int> spl;
  vector<pair<int,int>> pp;
  for(int j=0;j<n;j++)
    pp.push_back({h[j],j});
  sort(begin(pp),end(pp));
  for(int j=n-1;j>=0;j--)
  {
    auto it = spl.upper_bound(pp[j].second);
    // cout<<"For "<<pp[j].second<<" edge with: ";
    if(it!=end(spl))
    {
      // cout<<*it<<' ';
      adj[pp[j].second].push_back(*it);
    }
    if(it!=begin(spl))
    {
      it--;
      // cout<<*it<<' ';
      adj[pp[j].second].push_back(*it);
    }
    // cout<<endl;
    spl.insert(pp[j].second);
  }
}

int minimum_jumps(int a, int b, int c, int d) {
  int ans=0;
  bool reach=0;
  for(int st=a;st<=b;st++)
  {
    for(int j=1;j<=n;j++)
      dist[j]=2e9;
    dist[st]=0;
    priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> pq;
    pq.push({dist[st],st});
    while(pq.size())
    {
      auto it=pq.top();
      if(c<=it.second and it.second<=d)
      {
        if(reach)
        {
          ans=min(ans,it.first);
        }
        else{
          ans=it.first;
          reach=1;
        }
        break;
      }
      pq.pop();
      if(dist[it.second]==it.first)
      {
        for(auto dj:adj[it.second])
        {
          if(dist[dj]>(dist[it.second]+1))
          {
            dist[dj]=dist[it.second]+1;
            pq.push({dist[dj],dj});
          }
        }
      }
    }
    while(pq.size())
      pq.pop();
  }
  if(!reach)
    return -1;
  return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccMTICH4.o: in function `main':
stub.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccCKSxQ4.o:jumps.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status