Submission #1160843

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1160843	2025-03-03 07:34:52	SmuggingSpun	Rail (IOI14_rail)	C++20	30 / 100	48 ms	1864 KiB

rail

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#include<bits/stdc++.h>
#include "rail.h"
using namespace std;
void findLocation(int n, int first, int location[], int stype[]){
    map<pair<int, int>, int>cache;
    auto get = [&] (int i, int j){
        if(i == j){
            return 0;
        }
        if(i > j){
            swap(i, j);
        }
        auto it = cache.find(make_pair(i, j));
        if(it != cache.end()){
            return it->second;
        }
        return cache[make_pair(i, j)] = getDistance(i, j);
    };
    int d = stype[0] = 1;
    location[0] = first;
    for(int i = 2; i < n; i++){
        if(get(0, i) < get(0, d)){
            d = i;
        }
    }
    if(n == 1){
        return;
    }
    stype[d] = 2;
    set<pair<int, int>>C, D;
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44