Submission #793507

#	Time	Username	Problem	Language	Result	Execution time	Memory
793507		ToniB	Gap (APIO16_gap)	C++17	100 / 100	52 ms	3184 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
typedef long long ll;

vector<ll> ans;

ll findGap(int t, int n){
	if(t == 1){
		int L = 0, R = n - 1;
		ll val_l = 1, val_r = 1e18;
		while(L <= R){
			MinMax(val_l, val_r, &val_l, &val_r);
			ans.push_back(val_l);
			if(val_r != val_l) ans.push_back(val_r);
			++L; --R;
			++val_l; --val_r;
		}
	} else {
		ll L = 0, R = 1e18;
		MinMax(L, R, &L, &R);
		ans.push_back(L); ans.push_back(R);
		ll block = (R - L + n - 2) / (n - 1);
		for(ll i = L + 1; i < R; i += block + 1){
			ll val_l = i, val_r = min(R - 1, i + block);
			MinMax(val_l, val_r, &val_l, &val_r);
			if(val_l != -1){
				ans.push_back(val_l);
				ans.push_back(val_r);
			}
		}
	}
	ll ret = 0;
	sort(ans.begin(), ans.end());
	for(int i = 0; i < (int)ans.size() - 1; ++i) ret = max(ret, ans[i + 1] - ans[i]);
	return ret;
}

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