Submission #366146

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
366146	2021-02-13 10:18:46	79brue	Stations (IOI20_stations)	C++14	100 / 100	1067 ms	1244 KiB

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#include <bits/stdc++.h>
#include "stations.h"
using namespace std;
typedef long long ll;
vector<int> link[1002];
bool visited[1002];
int arr[1002];
int sz[1002];
void szd(int x, int par=-1){
    sz[x] = 1;
    for(auto y: link[x]){
        if(y == par) continue;
        szd(y, x);
        sz[x] += sz[y];
    }
}
void dfs(int x, int l, int r, bool chk){
    visited[x] = 1;
    if(chk) arr[x] = l++;
    else arr[x] = r--;
    for(auto y: link[x]){
        if(visited[y]) continue;
        if(chk){
            dfs(y, r-sz[y]+1, r, !chk);
            r -= sz[y];
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61