Submission #1116903

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1116903	2024-11-22 14:29:26	vladilius	Finding Routers (IOI20_routers)	C++17	75.55 / 100	4 ms	1020 KiB

routers

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#include <bits/stdc++.h>
#include "routers.h"
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
vector<int> find_routers(int k, int n, int q){
    map<int, int> mp;
    auto f = [&](int x){
        auto it = mp.find(x);
        if (it != mp.end()){
            return (*it).ss;
        }
        
        auto it1 = mp.lower_bound(x);
        if (it1 != mp.end() && it1 != mp.begin() && (*it1).ss == (*prev(it1)).ss){
            mp[x] = (*it1).ss;
        }
        else {
            mp[x] = use_detector(x);
        }
        
        return mp[x];
    };
    
    for (int i = 0; i <= k; i += 100){
        f(i);
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 21 / 21
• Subtask 3: 0 / 23
• Subtask 4: 38.5536 / 40