Submission #771027

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
771027	2023-07-02T11:08:06 Z	boris_mihov	Gap (APIO16_gap)	C++17	100 / 100	48 ms	1868 KB

gap

#include "gap.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <vector>

typedef long long llong;
const int MAXN = 100000 + 10;
const int INF  = 1e9;
    
int n;
llong a[MAXN];
llong findGap(int T, int N)
{
    n = N;
    if (T == 1)
    {
        int lPtr = 1;
        int rPtr = n;
        llong lLast = 0;
        llong rLast = 1e18;
        while (lPtr <= rPtr)
        {
            MinMax(lLast, rLast, &lLast, &rLast);
            a[lPtr++] = lLast;
            a[rPtr--] = rLast;
            lLast++; rLast--;
        }

        llong max = 0;
        for (int i = 1 ; i < n ; ++i)
        {
            max = std::max(max, a[i + 1] - a[i]);
        }

        return max;
    }

    llong ans = 1;
    llong min, max;
    MinMax(0, (llong)1e18, &min, &max);
    llong gap = ((max - min + 1) / n + (((max - min + 1) % n) > 0)) * 2 - 1;

    llong last = min;
    while (last < max)
    {
        llong currMin, currMax;
        MinMax(last + 1, last + gap, &currMin, &currMax);
        if (currMin == -1)
        {
            gap *= 2;
            continue;
        }
        
        gap = currMin - last;
        ans = std::max(ans, gap);
        last = currMax;
    }

    return ans;
}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 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	236 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	8 ms	716 KB	Output is correct
17	Correct	8 ms	688 KB	Output is correct
18	Correct	8 ms	652 KB	Output is correct
19	Correct	7 ms	644 KB	Output is correct
20	Correct	6 ms	592 KB	Output is correct
21	Correct	29 ms	1760 KB	Output is correct
22	Correct	30 ms	1848 KB	Output is correct
23	Correct	35 ms	1868 KB	Output is correct
24	Correct	30 ms	1868 KB	Output is correct
25	Correct	27 ms	1864 KB	Output is correct
26	Correct	30 ms	1808 KB	Output is correct
27	Correct	35 ms	1768 KB	Output is correct
28	Correct	30 ms	1844 KB	Output is correct
29	Correct	30 ms	1828 KB	Output is correct
30	Correct	25 ms	1784 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	0 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	0 ms	208 KB	Output is correct
10	Correct	1 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	9 ms	460 KB	Output is correct
17	Correct	11 ms	512 KB	Output is correct
18	Correct	10 ms	516 KB	Output is correct
19	Correct	10 ms	520 KB	Output is correct
20	Correct	5 ms	464 KB	Output is correct
21	Correct	46 ms	968 KB	Output is correct
22	Correct	38 ms	1064 KB	Output is correct
23	Correct	38 ms	1080 KB	Output is correct
24	Correct	40 ms	1084 KB	Output is correct
25	Correct	40 ms	1104 KB	Output is correct
26	Correct	40 ms	1032 KB	Output is correct
27	Correct	48 ms	1092 KB	Output is correct
28	Correct	45 ms	1084 KB	Output is correct
29	Correct	39 ms	1080 KB	Output is correct
30	Correct	18 ms	1064 KB	Output is correct
31	Correct	0 ms	208 KB	Output is correct
32	Correct	0 ms	208 KB	Output is correct