Submission #306849

#	Time	Username	Problem	Language	Result	Execution time	Memory
306849		baluteshih	Stations (IOI20_stations)	C++14	0 / 100	890 ms	876 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define X first
#define Y second
#define ALL(v) v.begin(),v.end()
#define pb push_back
#define SZ(a) ((int)a.size())

vector<int> idx;

vector<int> label(int n, int k, vector<int> u, vector<int> v)
{
    idx.resize(n);
    for(int i=0;i<n;++i)
        idx[i]=i;
    return idx;
}

int dis(int s,int t)
{
    int ans=0;
    while(s!=t)
        if(s>t)
            s>>=1,++ans;
        else
            t>>=1,++ans;
    return ans;
}

int find_next_station(int s, int t, vector<int> c)
{
    int midis=1e9,mi=-1;
    for(int i:c)
        if(dis(i,t)<midis)
            midis=dis(i,t),mi=i;
    return mi;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61