Submission #501431

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
501431	2022-01-03 09:46:05	Newtech66	Rainforest Jumps (APIO21_jumps)	C++17	100 / 100	2593 ms	66224 KiB

jumps

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//#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n;
vector<array<int,20> > pg,ng,hh,mxhh; //prev greater,next greater,highest height,max index reached while taking highest height jumps
//note: mxhh is -1 is jump is invalid, and answer otherwise
vector<int> Hq;
int pgq(int st,int x)
{
    while(x>0 && st>-1)
    {
        st=pg[st][__builtin_ctz(x)];
        x^=x&(-x);
    }
    return st;
}
int ngq(int st,int x)
{
    while(x>0 && st>-1)
    {
        st=ng[st][__builtin_ctz(x)];
        x^=x&(-x);
    }
    return st;
}
 
 
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• Subtask 2: 8 / 8
• Subtask 3: 13 / 13
• Subtask 4: 12 / 12
• Subtask 5: 23 / 23
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• Subtask 7: 19 / 19