Submission #42687

# Submission time Handle Problem Language Result Execution time Memory
42687 2018-03-02T16:40:32 Z MatheusLealV Gap (APIO16_gap) C++14
100 / 100
82 ms 3488 KB
#include <bits/stdc++.h>
#include "gap.h"
#define N 100005
#define inf 1000000000000000000LL
using namespace std;
typedef long long ll;
 
ll n, v[N], ans[N];
 
vector<ll> val;

ll qtd = 0;
 
void solve(ll ini, ll fimi, ll best)
{
	while(true)
	{
		qtd ++;

		if(ini > fimi || qtd > N) break;

		ll a, b, fim = ini + best;

	  	MinMax(ini, fim, &a, &b);

	  	if(a != -1 && b != -1) val.push_back(a), val.push_back(b);

	  	ini = ini + best + 1;
	}
}
 
ll findGap(int T, int N_)
{
	ll best = 0, n = N_;
 
	if(T == 1)
	{ 
		ll esq = 0, dir = inf;
 
		for(int i = 1, st = 1, en = n; i <= (n + 1)/2; i++, st ++, en --)
		{
			ll a, b;
 
			MinMax(esq, dir, &a, &b);
 
			esq = a + 1, dir = b - 1;
 
			if(a != -1 && b != -1) ans[st] = a, ans[en] = b;
		}
 
		for(int i = 2; i <= n; i++) best = max(best, ans[i] - ans[i - 1]);
 
		return best;
	}
 
	else
	{
		ll st, en, dx;

		MinMax(0, inf, &st, &en);

		if((en - st)%(n - 1) > 0) dx = 1 + (en - st)/(n - 1);

		else dx = (en - st)/(n - 1);

		solve(st, en, dx);

		sort(val.begin(), val.end());

		dx = 0;

		for(int i = 1; i < val.size(); i++) dx = max(dx, val[i] - val[i - 1]);

		return dx;
	}
 
}

Compilation message

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:72:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 1; i < val.size(); i++) dx = max(dx, val[i] - val[i - 1]);
                    ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 248 KB Output is correct
2 Correct 2 ms 248 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 392 KB Output is correct
5 Correct 1 ms 412 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 1 ms 464 KB Output is correct
9 Correct 1 ms 484 KB Output is correct
10 Correct 1 ms 484 KB Output is correct
11 Correct 2 ms 484 KB Output is correct
12 Correct 2 ms 484 KB Output is correct
13 Correct 2 ms 484 KB Output is correct
14 Correct 2 ms 484 KB Output is correct
15 Correct 2 ms 484 KB Output is correct
16 Correct 15 ms 948 KB Output is correct
17 Correct 14 ms 948 KB Output is correct
18 Correct 16 ms 948 KB Output is correct
19 Correct 14 ms 948 KB Output is correct
20 Correct 10 ms 948 KB Output is correct
21 Correct 53 ms 2076 KB Output is correct
22 Correct 52 ms 2076 KB Output is correct
23 Correct 53 ms 2076 KB Output is correct
24 Correct 53 ms 2076 KB Output is correct
25 Correct 44 ms 2204 KB Output is correct
26 Correct 52 ms 2204 KB Output is correct
27 Correct 62 ms 2204 KB Output is correct
28 Correct 52 ms 2204 KB Output is correct
29 Correct 54 ms 2204 KB Output is correct
30 Correct 40 ms 2204 KB Output is correct
31 Correct 1 ms 2204 KB Output is correct
32 Correct 2 ms 2204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2204 KB Output is correct
2 Correct 1 ms 2204 KB Output is correct
3 Correct 1 ms 2204 KB Output is correct
4 Correct 1 ms 2204 KB Output is correct
5 Correct 1 ms 2204 KB Output is correct
6 Correct 1 ms 2204 KB Output is correct
7 Correct 2 ms 2204 KB Output is correct
8 Correct 1 ms 2204 KB Output is correct
9 Correct 1 ms 2204 KB Output is correct
10 Correct 1 ms 2204 KB Output is correct
11 Correct 2 ms 2204 KB Output is correct
12 Correct 2 ms 2204 KB Output is correct
13 Correct 3 ms 2204 KB Output is correct
14 Correct 2 ms 2204 KB Output is correct
15 Correct 2 ms 2204 KB Output is correct
16 Correct 20 ms 2204 KB Output is correct
17 Correct 20 ms 2204 KB Output is correct
18 Correct 22 ms 2204 KB Output is correct
19 Correct 21 ms 2204 KB Output is correct
20 Correct 16 ms 2204 KB Output is correct
21 Correct 82 ms 2468 KB Output is correct
22 Correct 78 ms 2468 KB Output is correct
23 Correct 76 ms 2468 KB Output is correct
24 Correct 75 ms 2468 KB Output is correct
25 Correct 72 ms 3488 KB Output is correct
26 Correct 75 ms 3488 KB Output is correct
27 Correct 74 ms 3488 KB Output is correct
28 Correct 74 ms 3488 KB Output is correct
29 Correct 79 ms 3488 KB Output is correct
30 Correct 36 ms 3488 KB Output is correct
31 Correct 1 ms 3488 KB Output is correct
32 Correct 2 ms 3488 KB Output is correct