제출 #1042228

#제출 시각아이디문제언어결과실행 시간메모리
1042228ALeonidou철로 (IOI14_rail)C++17
30 / 100
33 ms604 KiB
#include "rail.h"
#include <bits/stdc++.h>
using namespace std;

#define ll int
#define F first
#define S second
#define sz(x) (ll)x.size()
#define endl "\n"
#define pb push_back

typedef vector <ll> vi;
typedef pair <ll,ll> ii;
typedef vector <ii> vii;

#define dbg(x) cout<<#x<<": "<<x<<endl;
#define dbg2(x,y) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<endl;
#define dbg3(x,y,z) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<endl;

void printVct(vi &v){
    for (ll i =0; i<sz(v); i++){
        cout<<v[i]<<" ";
    }
    cout<<endl;
}

void findLocation(ll n, ll f, ll pos[], ll type[])
{
    type[0] = 1;
    pos[0] = f;
    vii v0;
    for (ll i =1; i<n; i++){
        v0.pb(ii(getDistance(0,i), i));
    }
    sort(v0.begin(), v0.end());

    ll first_right = v0[0].S;
    type[first_right] = 2;
    pos[first_right] = f + v0[0].F;

    for (ll i =1; i<n; i++){
        if (first_right == i) continue;

        ll distance_from_zero = getDistance(0, i);
        ll distance_from_right = getDistance(first_right, i);
        
        if (distance_from_zero <= v0[0].F * 2){
            pos[i] = f + distance_from_zero;
            type[i] = 2;
        }
        else{
            ll expected_distance_from_right = distance_from_zero - v0[0].F;
            if (expected_distance_from_right == distance_from_right){
                pos[i] = f - (distance_from_right - v0[0].F);
                type[i] = 1;
            }
            else{
                pos[i] = f + distance_from_zero;
                type[i] = 2;     
            }
        }
    }
    
}

/*
1
4
1 1
2 4
2 7
2 9

2
6
1 3
2 6
2 7
1 1
1 0
2 8



*/
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