oj.uz

답안 #634485

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
634485 2022-08-24T13:21:18 Z inksamurai Poklon (COCI17_poklon7) C++17
0 / 120
 551 ms 262144 KB 
#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3PGDklf ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

signed main(){
_3PGDklf;
	int n;
	cin>>n;
	vec(vi) adj(n);
	rep(i,n){
		int ul,ur;
		cin>>ul>>ur;
		adj[i].pb(ul);
		adj[i].pb(ur);
	}
	auto bintostr=[&](int v){
		string s="";
		if(v==0) return s="0";
		while(v){
			s+=(char)(v%2+'0');
			v/=2;
		}
		reverse(s.begin(), s.end());
		return s;
	};
	vi cntr(n);
	vec(string) rbe(n);
	auto dfs=[&](auto self,int v)->void{
		int ma=-1;
		rep(i,sz(adj[v])){
			int u=adj[v][i];
			if(i==0){
				if(u>0){
					self(self,u-1);
				}else{
					ma=max(ma,-u);
				}
			}else{
				if(u>0){
					self(self,u-1);
				}else{
					ma=max(ma,-u);
				}
			}
		}
		cntr[v]=v;
		if(ma>=0) rbe[v]=bintostr(ma);
		int ul=cntr[adj[v][0]<=0?v:adj[v][0]-1];
		int ur=cntr[adj[v][1]<=0?v:adj[v][1]-1];
		cntr[v]=ul;
		if(sz(rbe[ul])<sz(rbe[ur]) or (sz(rbe[ul])==sz(rbe[ur]) and rbe[ul]<rbe[ur])){
			cntr[v]=ur;
		}
		// rbe[cntr[v]]+="0";
	};
	dfs(dfs,0);
	print(rbe[cntr[0]]);
}

Subtask #1
0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Incorrect 0 ms 212 KB Output isn't correct
6 Incorrect 0 ms 212 KB Output isn't correct
7 Incorrect 0 ms 212 KB Output isn't correct
8 Incorrect 0 ms 340 KB Output isn't correct
9 Incorrect 1 ms 340 KB Output isn't correct
10 Incorrect 1 ms 340 KB Output isn't correct
11 Incorrect 6 ms 2644 KB Output isn't correct
12 Incorrect 8 ms 2644 KB Output isn't correct
13 Incorrect 30 ms 12204 KB Output isn't correct
14 Incorrect 56 ms 24524 KB Output isn't correct
15 Incorrect 53 ms 13024 KB Output isn't correct
16 Incorrect 188 ms 71240 KB Output isn't correct
17 Incorrect 446 ms 158668 KB Output isn't correct
18 Incorrect 447 ms 169420 KB Output isn't correct
19 Incorrect 551 ms 168140 KB Output isn't correct
20 Runtime error 327 ms 262144 KB Execution killed with signal 9