제출 #61247

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
61247	2018-07-25 13:19:56	SpaimaCarpatilor	popa (BOI18_popa)	C++17	100 / 100	137 ms	640 KiB

popa

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#include<bits/stdc++.h>
#include "popa.h"
using namespace std;
static int nxt[2018];
int solve (int l, int r, int *Left, int *Right)
{
    if (l > r) return -1;
    if (l == r)
        return l;
    if (r == l + 1)
    {
        if (nxt[l] > r)
        {
            Right[l] = r;
            return l;
        }
        Left[r] = l;
        return r;
    }
    int pos = l;
    while (nxt[pos] <= r)
        pos = nxt[pos];
    int ras = pos;
    Left[ras] = solve (l, ras - 1, Left, Right);
    Right[ras] = solve (ras + 1, r, Left, Right);
    return ras;
}
 
 
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