제출 #911701

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
911701	2024-01-19 04:46:04	biank	자동 인형 (IOI18_doll)	C++14	100 / 100	158 ms	16252 KiB

doll

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#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
#define SIZE(x) (int)x.size()
#define forn(i,n) for(int i=0;i<int(n);i++)
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define pb push_back
typedef vector<int> vi;
vi L, R, v, state;
int t=1, skip, s=-1;
void build(int u, int l, int r) {
    L.pb(0), R.pb(0), v.pb(0);
    if(r-l<=skip) {
        v[u]=-1, skip-=r-l;
        return;
    }
    if(r-l==1) return;
    v[u]=s--;
    int m=(l+r)/2;
    L[u]=t++;
    build(L[u],l,m);
    R[u]=t++;
    build(R[u],m,r);
}
     
void dfs(int u, int a) {
    if(u && v[u]==-1) dfs(0,a);
    else if(!v[u]) v[u]=a;
 
 
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