Submission #793272

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
793272	2023-07-25 17:06:08	welleyth	Highway Tolls (IOI18_highway)	C++17	100 / 100	291 ms	16528 KiB

highway

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#include <bits/stdc++.h>
#include "highway.h"
using namespace std;
constexpr int NN = 90000;
//#define int long long
typedef long long ll;
vector<pair<int,int>> g[NN];
vector<pair<int,int>> BFSTree[NN];
bool can[NN];
bool marked[NN];
bool wasL[NN],wasR[NN];
bool banned[NN];
void dfs(int v,int& c){
    marked[v] = true;
    c -= can[v];
    for(auto&[to,id] : g[v]){
        if(c > 0 && !marked[to]){
            dfs(to,c);
        }
    }
    return;
}
void dfsL(int v,int& c){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 6 / 6
• Subtask 4: 33 / 33
• Subtask 5: 18 / 18
• Subtask 6: 31 / 31