제출 #435868

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
435868		Tangent	철로 (IOI14_rail)	C++17	30 / 100	102 ms	1004 KiB

rail

#include "rail.h"
#include "bits/stdc++.h"
 
using namespace std;
 
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vii;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<vii> vvii;
typedef vector<vll> vvll;
typedef vector<vpii> vvpii;
typedef vector<vpll> vvpll;
 
#define ffor(i, a, b) for (ll i = (a); i < (ll)(b); i++)
#define fford(i, a, b) for (ll i = (a); i > (ll)(b); i--)
#define rep(i, n) ffor(i, 0, n)
#define forin(x, a) for (auto &x: a)
#define all(a) a.begin(), a.end()

map<pii, int> memo;
int dist(int i, int j) {
    if (i > j) {
        swap(i, j);
    }
    if (!memo[{i, j}]) {
        memo[{i, j}] = getDistance(i, j);
    }
    return memo[{i, j}];
}

void findLocation(int N, int first, int location[], int stype[]) {
    location[0] = first;
    stype[0] = 1;
    int closest = 1, mindist = dist(0, 1);
    ffor(i, 2, N) {
        if (dist(0, i) < mindist) {
            mindist = dist(0, i);
            closest = i;
        }
    }
    ffor(i, 1, N) {
        if (i == closest) {
            location[i] = first + dist(0, i);
            stype[i] = 2;
        } else {
            if (dist(0, i) == dist(0, closest) + dist(closest, i)) {
                location[i] = first + dist(0, closest) - dist(closest, i);
                stype[i] = 1;
            } else {
                location[i] = first + dist(0, i);
                stype[i] = 2;
            }
        }
    }
}

• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44