Submission #541082

#	Time	Username	Problem	Language	Result	Execution time	Memory
541082		amunduzbaev	Gap (APIO16_gap)	C++17	83.51 / 100	60 ms	2244 KiB

gap

#include "bits/stdc++.h"
using namespace std;
#include "gap.h"
#ifndef EVAL
#include "grader.cpp"
#endif

#define ar array
typedef long long ll;
const ll inf = 1e18;

ll findGap(int t, int n){
	if(t == 1){
		ll l = 0, r = inf, mn, mx;
		vector<ll> a;
		for(int i=0;i<=n/2 && (int)a.size() < n;i++){
			MinMax(l, r, &mn, &mx);
			if(mn == -1) break;
			a.push_back(mn);
			a.push_back(mx);
			l = mn + 1, r = mx - 1;
		}
		
		sort(a.begin(), a.end());
		ll res = 0;
		for(int i=1;i<(int)a.size();i++){
			res = max(res, a[i] - a[i-1]);
		}
		
		return res;
	}
	
	ll l = 0, r = inf, mn, mx;
	MinMax(l, r, &mn, &mx);
	ll B = (mx - mn + n - 1) / n, last = mn, R = mx;
	ll res = B;
	
	for(l=mn, r=l+B;last<R;l=r+1, r=l+B){
		MinMax(l, r, &mn, &mx);
		if(mn == -1) continue;
		res = max(res, mn - last);
		last = mx;
	}
	
	return res;
}

• Subtask 1: 30 / 30
• Subtask 2: 53.5083487467 / 70