oj.uz

답안 #545218

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
545218 2022-04-04T03:35:54 Z AbdelmagedNour Poklon (COCI17_poklon7) C++17
48 / 120
 293 ms 81348 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
const int N=1000005;
int n,L[N],R[N];
pair<int,int>val[N];
pair<int,int>Max(pair<int,int>a,pair<int,int>b){
    if(a.first==0)return b;
    if(b.first==0)return a;
    while(a.first<b.first&&a.second){
        a.first*=2;
        a.second--;
    }
    if(a.first>=b.first&&a.second>=b.second){
        while((a.first&1)==0){
            a.first>>=1;
            a.second++;
        }
        return a;
    }else return b;
}
void dfs(int v){
    pair<int,int>l={0,0},r={0,0};
    if(L[v]>0){
        dfs(L[v]);
        l=val[L[v]];
    }else l={-L[v],0};
    if(R[v]>0){
        dfs(R[v]);
        r=val[R[v]];
    }else r={-R[v],0};
    val[v]=Max(l,r);
    val[v].second++;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++)cin>>L[i]>>R[i];
    dfs(1);
    string s="";
    while(val[1].first){
        s+=char('0'+(val[1].first&1));
        val[1].first/=2;
    }
    reverse(s.begin(),s.end());
    cout<<s;
    for(int i=0;i<val[1].second;i++)cout<<0;
    return 0;
}

Subtask #1
48.0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Correct 1 ms 340 KB Output is correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 1 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 3 ms 852 KB Output isn't correct
12 Incorrect 3 ms 852 KB Output isn't correct
13 Correct 12 ms 3028 KB Output is correct
14 Incorrect 25 ms 5964 KB Output isn't correct
15 Incorrect 22 ms 3452 KB Output isn't correct
16 Correct 86 ms 17352 KB Output is correct
17 Incorrect 187 ms 38648 KB Output isn't correct
18 Incorrect 199 ms 41192 KB Output isn't correct
19 Incorrect 226 ms 41704 KB Output isn't correct
20 Correct 293 ms 81348 KB Output is correct