oj.uz

Submission #314304

# Submission time Handle Problem Language Result Execution time Memory
314304 2020-10-19T15:12:33 Z DanerZein Stations (IOI20_stations) C++14
0 / 100
 913 ms 768 KB 
#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
#define MAX 1000000000
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> ii;
vector<int> labels;
vector<vi> G;
int in[1010],out[1010];
int it=0;
void dfs(int u){
  it++;
  in[u]=it;
  for(auto &v:G[u]){
    if(!in[v]){
      dfs(v);
    }
  }
  it++;
  out[u]=it;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
  labels.assign(n,-1);
  G.clear();
  G.resize(n+1);
  int t=u.size();
  for(int i=0;i<t;i++){
    int x=u[i],y=v[i];
    G[x].push_back(y);
    G[y].push_back(x);
  }
  memset(in,0,sizeof in);
  memset(out,0,sizeof out);
  dfs(0);
  for(int i=0;i<n;i++){
    int la=in[i]*1000;
    la+=out[i];
    // cout<<in[i]<<" "<<out[i]<<" "<<la<<endl;
    labels[i]=la;
  }
  return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
  return -1;
  int ro=-1,rp=-1;
  int si,ti,so,to;
  si=s/1000; so=s%1000;
  ti=t/1000; to=t%1000;
  bool sub=0;
  int ia,oa;
  for(int i=0;i<c.size();i++){
    if(t==c[i]) return c[i];
    ia=c[i]/1000; oa=c[i]%1000;
    if(si<ia && so>oa){
      if(ia<ti && oa>to){
	rp=c[i];
      }
    }
    else{
      ro=c[i];
    }
  }
  if(si<ti && so>to){
    //cout<<"hijo "<<rp<<endl;
    return rp;
  }
  else{
    //cout<<"padre "<<ro<<endl;
    return ro;
  }
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:53:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |   for(int i=0;i<c.size();i++){
      |               ~^~~~~~~~~
stations.cpp:51:8: warning: unused variable 'sub' [-Wunused-variable]
   51 |   bool sub=0;
      |        ^~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 376 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=1020
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 384 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=2992
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 384 KB Invalid labels (values out of range). scenario=1, k=1000000, vertex=12, label=1755975
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 913 ms 768 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 543 ms 768 KB Wrong query response.
2 Halted 0 ms 0 KB -