Submission #258349

#	Time	Username	Problem	Language	Result	Execution time	Memory
258349		shashwatchandra	Gap (APIO16_gap)	C++17	30 / 100	81 ms	3468 KiB

gap

#include<bits/stdc++.h>
#include <stdio.h>
#include <stdlib.h>
#include "gap.h"
using namespace std;
 
#define int long long 
#define double long double
#define f first
#define s second
#define mp make_pair
#define pb push_back
#define all(x) x.begin(),x.end()
 
#define RE(i,n) for (int i = 1; i <= n; i++)
#define RED(i,n) for (int i = n; i > 0; i--)
#define REPS(i,n) for(int i = 1; (i*i) <= n; i++)
#define REP(i,n) for (int i = 0; i < (int)n; i++)
 
#undef int
long long findGap(int T, int N)
{
#define int long long
	if(T == 1){
		vector<int> all;
		int curl = 1;
		int curr = 1e18;
		int dd = 0;
		while(curl <= curr and dd < N){
			int whAt1 = 0;
			int whAt2 = 0;
			MinMax(curl,curr,&whAt1,&whAt2);
			all.pb(whAt1);
			if(whAt1 != whAt2)all.pb(whAt2);
			dd += 1+(whAt1 != whAt2);
			curl = whAt1+1;
			curr = whAt2-1;
		}
		sort(all(all));
		int ans = 0;
		REP(i,N-1){
			ans = max(ans,all[i+1]-all[i]);
		}
		return ans;
	}
	else{
		int st,en;
		int n= N;
		MinMax((int)1,(int)1e18,&st,&en);
        if(n == 2)return en-st;
		int rangesize = (en-st-1+n-2)/(n-1);
		int frm = st+1;
		vector<int> all;
		all.pb(st);
		all.pb(en);
		REP(i,n){
			int oo1,oo2;
			if(frm >= en)break;
			MinMax(frm,min(frm+rangesize-1,en-1),&oo1,&oo2);
			all.pb(oo2);
			all.pb(oo1);
			frm += rangesize;
		}
		int ans = 0;
		sort(all(all));
		REP(i,(int)all.size()-1){
			ans = max(ans,all[i+1]-all[i]);
		}
		return ans;
	}
	return 0;
}

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