Submission #221340

#	Time	Username	Problem	Language	Result	Execution time	Memory
221340		zoooma13	Gap (APIO16_gap)	C++14	8.77 / 100	71 ms	1164 KiB

gap

#include "bits/stdc++.h"
#include "gap.h"
using namespace std;

const long long MAX_A = 1e18;

long long findGap(int T, int N){
    long long lst = 0, mx_dist = 1;
    for(long long mn ,mx ,d=1; ; d<<=1){
        MinMax(0 ,d ,&mn ,&mx);
        if(mn != -1){
            lst = mn;
            break;
        }
    }
    for(int ok=1; ok; )
    {
        for(long long mn,mx ,nxt=mx_dist; ok; nxt<<=1){
            MinMax(lst+1 ,min(MAX_A ,lst+nxt) ,&mn ,&mx);
            if(lst+nxt >= MAX_A)
                ok = 0;
            if(mn != -1){
                mx_dist = max(mx_dist ,mn-lst);
                lst = mx;
                break;
            }
        }
    }

	return mx_dist;
}

• Subtask 1: 0 / 30
• Subtask 2: 8.7691175908 / 70