답안 #976464

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
976464	2024-05-06T15:08:51 Z	biank	Gap (APIO16_gap)	C++14	100 / 100	45 ms	3856 KB

gap

#include <bits/stdc++.h>
#include "gap.h"

using namespace std;

using ll = long long;

#define all(x) begin(x), end(x)

const ll MAX_A = 1e18;

ll ceilDiv(ll a, ll b) {
    return (a + b - 1) / b;
}

ll findGap(int T, int N) {
    if (T == 1) {
        ll mini = -1LL, maxi = MAX_A + 1LL;
        vector<ll> a(N);
        int l = 0, r = N - 1;
        while (l <= r) {
            MinMax(mini + 1, maxi - 1, &mini, &maxi);
            a[l++] = mini, a[r--] = maxi;
        }
        ll maxGap = 0LL;
        for (int i = 1; i < N; i++) {
            maxGap = max(maxGap, a[i] - a[i - 1]);
        }
        return maxGap;
    } else {
        ll mini = 0LL, maxi = MAX_A;
        MinMax(mini, maxi, &mini, &maxi);
        ll minRes = ceilDiv(maxi - mini + 1LL, N - 1);
        if (N == 2) return maxi - mini;
        ll prevMax = mini, maxGap = 0LL;
        for (ll i = mini; i <= maxi; i += minRes) {
            ll minInRange, maxInRange;
            MinMax(i, i + minRes - 1LL, &minInRange, &maxInRange);
            if (minInRange != -1) {
                maxGap = max(maxGap, minInRange - prevMax);
                prevMax = maxInRange;
            }
        }
        return maxGap;
    }
}

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	1 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	2 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	1 ms	2672 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	1 ms	2392 KB	Output is correct
16	Correct	8 ms	2580 KB	Output is correct
17	Correct	8 ms	2588 KB	Output is correct
18	Correct	8 ms	2752 KB	Output is correct
19	Correct	8 ms	2576 KB	Output is correct
20	Correct	7 ms	2568 KB	Output is correct
21	Correct	30 ms	3600 KB	Output is correct
22	Correct	30 ms	3624 KB	Output is correct
23	Correct	30 ms	3624 KB	Output is correct
24	Correct	30 ms	3620 KB	Output is correct
25	Correct	27 ms	3856 KB	Output is correct
26	Correct	32 ms	3624 KB	Output is correct
27	Correct	31 ms	3632 KB	Output is correct
28	Correct	30 ms	3624 KB	Output is correct
29	Correct	30 ms	3628 KB	Output is correct
30	Correct	26 ms	3612 KB	Output is correct
31	Correct	1 ms	2388 KB	Output is correct
32	Correct	1 ms	2392 KB	Output is correct

Subtask #2

70.0 / 70.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2388 KB	Output is correct
2	Correct	1 ms	2392 KB	Output is correct
3	Correct	2 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	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	2392 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	2584 KB	Output is correct
17	Correct	10 ms	2584 KB	Output is correct
18	Correct	13 ms	2588 KB	Output is correct
19	Correct	10 ms	2580 KB	Output is correct
20	Correct	6 ms	2576 KB	Output is correct
21	Correct	44 ms	2840 KB	Output is correct
22	Correct	44 ms	2836 KB	Output is correct
23	Correct	42 ms	2856 KB	Output is correct
24	Correct	43 ms	2980 KB	Output is correct
25	Correct	40 ms	2868 KB	Output is correct
26	Correct	45 ms	3276 KB	Output is correct
27	Correct	40 ms	2856 KB	Output is correct
28	Correct	41 ms	2856 KB	Output is correct
29	Correct	45 ms	2856 KB	Output is correct
30	Correct	24 ms	2852 KB	Output is correct
31	Correct	1 ms	2392 KB	Output is correct
32	Correct	1 ms	2388 KB	Output is correct