Submission #1317597

#	Time	Username	Problem	Language	Result	Execution time	Memory
1317597		eri16	Gap (APIO16_gap)	C++20	100 / 100	47 ms	2316 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"

using namespace std;

using ll = long long;

ll findGap(int t, int n){
    if (t==1){
	vector <ll> v;
	
	ll curmn=0,curmx=1e18+1,mn,mx;
	
	for (int i=0; i<(n+1)/2; i++){
	    MinMax(curmn,curmx,&mn,&mx);
	    
	    if (mn!=-1){v.push_back(mn);curmn=mn+1;}
	    if (mx!=-1 && mn!=mx){v.push_back(mx);curmx=mx-1;}	    
	}
	
	sort(v.begin(),v.end());
	
	ll ans=-1;
	
	for (int i=1; i<v.size(); i++){
	    ans=max(ans,v[i]-v[i-1]);
	}
	return ans;}
	
	ll mn,mx,ans=0;
	MinMax(0,1e18+1,&mn,&mx);
	
	ll mxx = mx;
    ll last_large = mn;
    ll dis = (mn+mx+n-2)/(n-1);
	
	ll l=mn+1,r=mn+dis;
	
	for (;l<=mxx; l+=dis,r+=dis){
	    MinMax(l,r,&mn,&mx);	    
	    if (mn==-1){continue;}
	    else{
	        ans=max(ans,mn-last_large);
	        last_large=mx;
	    }
	}
	return ans;
}

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