Submission #567639

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
567639	2022-05-23T22:12:31 Z	four_specks	Gap (APIO16_gap)	C++17	70 / 100	64 ms	1836 KB

gap

#include "gap.h"

#include <bits/stdc++.h>

using namespace std;

long long findGap(int T, int N)
{
    if (T == 1)
    {
        vector<long long> a(N);
        long long mn = 0, mx = LLONG_MAX;
        for (int l = 0, r = N - 1; l < r; l++, r--)
        {
            MinMax(mn, mx, &mn, &mx);
            a[l] = mn, a[r] = mx;
            mn += 1, mx -= 1;
        }

        long long gap = 0;
        for (int i = 0; i < N - 1; i++)
            gap = max(gap, a[i + 1] - a[i]);

        return gap;
    }
    else if (T == 2)
    {
        long long l = 0, r = LLONG_MAX;
        MinMax(l, r, &l, &r);

        long long block = (r - l + 1) / (N - 1);

        long long gap = 0;

        long long x = l;
        for (l += 1; l <= r; l += block + 1)
        {
            long long mn, mx;
            MinMax(l, l + block, &mn, &mx);
            if (mn != -1)
            {
                gap = max(gap, mn - x);
                x = mx;
            }
        }

        return gap;
    }
    else
        assert(0);

    return 0;
}

Subtask #1

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Incorrect	1 ms	208 KB	Output isn't correct
3	Incorrect	0 ms	208 KB	Output isn't correct
4	Incorrect	1 ms	208 KB	Output isn't correct
5	Incorrect	0 ms	208 KB	Output isn't correct
6	Correct	0 ms	208 KB	Output is correct
7	Correct	1 ms	208 KB	Output is correct
8	Correct	0 ms	208 KB	Output is correct
9	Correct	0 ms	208 KB	Output is correct
10	Correct	0 ms	208 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	336 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	11 ms	684 KB	Output is correct
17	Correct	9 ms	592 KB	Output is correct
18	Correct	9 ms	592 KB	Output is correct
19	Correct	10 ms	720 KB	Output is correct
20	Correct	7 ms	592 KB	Output is correct
21	Correct	37 ms	1764 KB	Output is correct
22	Correct	39 ms	1812 KB	Output is correct
23	Correct	37 ms	1828 KB	Output is correct
24	Correct	36 ms	1832 KB	Output is correct
25	Correct	33 ms	1760 KB	Output is correct
26	Correct	45 ms	1836 KB	Output is correct
27	Correct	36 ms	1816 KB	Output is correct
28	Correct	36 ms	1824 KB	Output is correct
29	Correct	37 ms	1764 KB	Output is correct
30	Correct	34 ms	1820 KB	Output is correct
31	Correct	0 ms	208 KB	Output is correct
32	Correct	0 ms	208 KB	Output is correct

Subtask #2

70.0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	1 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	0 ms	208 KB	Output is correct
7	Correct	0 ms	208 KB	Output is correct
8	Correct	0 ms	208 KB	Output is correct
9	Correct	1 ms	208 KB	Output is correct
10	Correct	0 ms	208 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	208 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	14 ms	480 KB	Output is correct
17	Correct	16 ms	512 KB	Output is correct
18	Correct	13 ms	516 KB	Output is correct
19	Correct	12 ms	464 KB	Output is correct
20	Correct	6 ms	464 KB	Output is correct
21	Correct	50 ms	1028 KB	Output is correct
22	Correct	57 ms	996 KB	Output is correct
23	Correct	57 ms	1120 KB	Output is correct
24	Correct	51 ms	1032 KB	Output is correct
25	Correct	52 ms	1060 KB	Output is correct
26	Correct	52 ms	1032 KB	Output is correct
27	Correct	56 ms	1096 KB	Output is correct
28	Correct	64 ms	1056 KB	Output is correct
29	Correct	58 ms	1016 KB	Output is correct
30	Correct	26 ms	1080 KB	Output is correct
31	Correct	0 ms	208 KB	Output is correct
32	Correct	0 ms	208 KB	Output is correct