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답안 #953238

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
953238 2024-03-25T17:50:38 Z n3rm1n Gap (APIO16_gap) C++17
100 / 100
 43 ms 3700 KB 
#include<bits/stdc++.h>
#include "gap.h"

using namespace std;
const long long MAXN = 2e5 + 10;
long long a[MAXN];
long long findGap(int T, int N)
{
    if(T == 1)
    {
        long long s = 0, t = (long long)(1e18);
        long long mn, mx;
        long long n = N;
        long long filled0 = 0, filled1 = n+1;

        while(filled0 + 1 <= filled1 - 1)
        {

            MinMax(s, t, &mn, &mx);

            if(mn == mx)
            {
                filled0 ++;
                a[filled0] = mn;
                n --;
                break;
            }
            filled0 ++;
            filled1 --;
            n-= 2;
            a[filled0] = mn;
            a[filled1] = mx;

            s = mn + 1;
            t = mx - 1;
        }
        long long ans = -1;
        for (long long i = 2; i <= N; ++ i)
            ans = max(ans, (long long) (a[i] - a[i-1]));
        return ans;
    }


    long long n = N;
    long long s = 0, t = (long long)(1e18);
    long long mn, mx;
    long long range_l = 0, range_r;
    long long l;
    MinMax(s, t, &mn, &mx);
    range_l = mn;
    range_r = mx;
    l = range_r - range_l + 1;
    long long x = (l + n - 1)/(n - 1);
    //if(x * (n-1) < l)x ++;
    long long last = range_l, cache = 0;
    long long st = last;
    long long ans = 0;
    while(last < range_r)
    {

        s = last + 1;
        t = last + x + 1;
        MinMax(s, t, &mn, &mx);

        if(mx != -1 && mn > last && (mn >= s && mn <= t) && (mx >= s && mx <= t))
        {
            ans = max(ans, mn - st);
            st = mx;
        }

        last += 1LL * (x + 1);
    }
    return ans;
}
/**
2 5
2 3 7 17 19
*/

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:55:31: warning: unused variable 'cache' [-Wunused-variable]
   55 |     long long last = range_l, cache = 0;
      |                               ^~~~~

Subtask #1
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 1 ms 2392 KB Output is correct
6 Correct 1 ms 2400 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 8 ms 2548 KB Output is correct
17 Correct 8 ms 2548 KB Output is correct
18 Correct 10 ms 2544 KB Output is correct
19 Correct 8 ms 2540 KB Output is correct
20 Correct 7 ms 2904 KB Output is correct
21 Correct 31 ms 3620 KB Output is correct
22 Correct 30 ms 3444 KB Output is correct
23 Correct 30 ms 3452 KB Output is correct
24 Correct 30 ms 3256 KB Output is correct
25 Correct 31 ms 3700 KB Output is correct
26 Correct 31 ms 3384 KB Output is correct
27 Correct 36 ms 3320 KB Output is correct
28 Correct 30 ms 3444 KB Output is correct
29 Correct 30 ms 3444 KB Output is correct
30 Correct 27 ms 3440 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct

Subtask #2
70.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 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 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 2 ms 2392 KB Output is correct
13 Correct 1 ms 2492 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 10 ms 2708 KB Output is correct
17 Correct 12 ms 2536 KB Output is correct
18 Correct 10 ms 2544 KB Output is correct
19 Correct 10 ms 2548 KB Output is correct
20 Correct 5 ms 2536 KB Output is correct
21 Correct 41 ms 2680 KB Output is correct
22 Correct 42 ms 2680 KB Output is correct
23 Correct 42 ms 2612 KB Output is correct
24 Correct 41 ms 2680 KB Output is correct
25 Correct 40 ms 2532 KB Output is correct
26 Correct 41 ms 2692 KB Output is correct
27 Correct 41 ms 2688 KB Output is correct
28 Correct 43 ms 2924 KB Output is correct
29 Correct 41 ms 2688 KB Output is correct
30 Correct 23 ms 2672 KB Output is correct
31 Correct 1 ms 2400 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct