Submission #873709

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
873709	2023-11-15T13:51:28 Z	StefanL2005	Gap (APIO16_gap)	C++14	100 / 100	38 ms	3872 KB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
#define ll long long
 
ll findGap(int T, int N)
{
    vector<ll> v(N);
    ll maxDif = 0;

    if (T == 1)
    {
        int p1 = 0, p2 = N - 1;
        ll a = -1, b = 1LL * 1000 * 1000 * 1000 * 1000 * 1000 * 1000+ 1;
 
        while (p1 <= p2)
        {
            ll c1, c2;
            MinMax(a + 1, b - 1, &c1, &c2);
            v[p1] = c1;
            v[p2] = c2;
            p1++; p2--;
            a = c1; b = c2;
        }
 
        for (int i = 1; i < N; i++)
            maxDif = max(maxDif, v[i] - v[i - 1]);
    }
    else
    {
        ll start, finish;
        MinMax(0, 1LL * 1000 * 1000 * 1000 * 1000 * 1000 * 1000, &start, &finish);
        maxDif = 1 + (finish - start + 1 - N) / (N - 1); 
        
        while (start != finish)
        { 
            ll p = maxDif;
            ll a, b;

            MinMax(start + 1, start + 1 + p, &a, &b);
            while (b == -1)
            {
                p*=2;
                if (start + 1 + p >= finish)
                    MinMax(start + 1, finish, &a, &b);
                else
                    MinMax(start + 1, start + 1 + p, &a, &b);
            }

            maxDif = max(maxDif, a - start);
            start = b;
        }
    }
    return maxDif;
}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	2392 KB	Output is correct
3	Correct	0 ms	2392 KB	Output is correct
4	Correct	0 ms	2392 KB	Output is correct
5	Correct	0 ms	2392 KB	Output is correct
6	Correct	0 ms	2392 KB	Output is correct
7	Correct	0 ms	2392 KB	Output is correct
8	Correct	0 ms	2392 KB	Output is correct
9	Correct	1 ms	2388 KB	Output is correct
10	Correct	1 ms	2392 KB	Output is correct
11	Correct	1 ms	2392 KB	Output is correct
12	Correct	1 ms	2392 KB	Output is correct
13	Correct	1 ms	2388 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	7 ms	2576 KB	Output is correct
17	Correct	8 ms	2588 KB	Output is correct
18	Correct	7 ms	2584 KB	Output is correct
19	Correct	8 ms	2656 KB	Output is correct
20	Correct	6 ms	2572 KB	Output is correct
21	Correct	30 ms	3600 KB	Output is correct
22	Correct	33 ms	3868 KB	Output is correct
23	Correct	29 ms	3868 KB	Output is correct
24	Correct	29 ms	3620 KB	Output is correct
25	Correct	26 ms	3620 KB	Output is correct
26	Correct	29 ms	3872 KB	Output is correct
27	Correct	29 ms	3620 KB	Output is correct
28	Correct	29 ms	3628 KB	Output is correct
29	Correct	29 ms	3628 KB	Output is correct
30	Correct	25 ms	3592 KB	Output is correct
31	Correct	0 ms	2392 KB	Output is correct
32	Correct	0 ms	2392 KB	Output is correct

Subtask #2

70.0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	2392 KB	Output is correct
2	Correct	0 ms	2392 KB	Output is correct
3	Correct	0 ms	2392 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	0 ms	2392 KB	Output is correct
6	Correct	0 ms	2392 KB	Output is correct
7	Correct	0 ms	2392 KB	Output is correct
8	Correct	1 ms	2392 KB	Output is correct
9	Correct	0 ms	2392 KB	Output is correct
10	Correct	0 ms	2392 KB	Output is correct
11	Correct	1 ms	2392 KB	Output is correct
12	Correct	1 ms	2392 KB	Output is correct
13	Correct	1 ms	2656 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	5 ms	2588 KB	Output is correct
17	Correct	6 ms	2836 KB	Output is correct
18	Correct	5 ms	2588 KB	Output is correct
19	Correct	5 ms	2576 KB	Output is correct
20	Correct	3 ms	2744 KB	Output is correct
21	Correct	19 ms	3528 KB	Output is correct
22	Correct	19 ms	3712 KB	Output is correct
23	Correct	18 ms	3624 KB	Output is correct
24	Correct	18 ms	3632 KB	Output is correct
25	Correct	38 ms	3616 KB	Output is correct
26	Correct	19 ms	3624 KB	Output is correct
27	Correct	19 ms	3628 KB	Output is correct
28	Correct	19 ms	3600 KB	Output is correct
29	Correct	19 ms	3724 KB	Output is correct
30	Correct	11 ms	3620 KB	Output is correct
31	Correct	1 ms	2392 KB	Output is correct
32	Correct	1 ms	2392 KB	Output is correct