Submission #911467

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
911467	2024-01-19 01:28:34	biank	Mechanical Doll (IOI18_doll)	C++14	84 / 100	115 ms	16636 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=0;
     
void build(int u, int l, int r) {
    L.pb(0), R.pb(0), v.pb(0);
    assert(u>=0 && u<SIZE(v));
    if(l>r) {
        v[u]=-1;
        return;
    }
    if(skip>0 && r-l+1<=skip) {
        v[u]=-1;
        skip-=r-l+1;
        return;
    }
    if(l==r) return;
    v[u]=--s;
    int m=(l+r)/2;
    L[u] = t++;
    build(L[u], l, m);
    R[u] = t++;
 
 
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• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 56 / 56