oj.uz

Submission #634480

# Submission time Handle Problem Language Result Execution time Memory
634480 2022-08-24T13:20:28 Z inksamurai Poklon (COCI17_poklon7) C++17
114 / 120
 582 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
114.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 6 ms 2644 KB Output is correct
12 Correct 8 ms 2644 KB Output is correct
13 Correct 30 ms 12568 KB Output is correct
14 Correct 63 ms 25220 KB Output is correct
15 Correct 55 ms 13804 KB Output is correct
16 Correct 219 ms 73560 KB Output is correct
17 Correct 454 ms 164472 KB Output is correct
18 Correct 452 ms 174996 KB Output is correct
19 Correct 582 ms 175040 KB Output is correct
20 Runtime error 333 ms 262144 KB Execution killed with signal 9