답안 #102815

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
102815	2019-03-27T15:56:47 Z	alexpetrescu	Gap (APIO16_gap)	C++14	100 / 100	80 ms	2296 KB

gap

#include <algorithm>
#include <vector>

#include "gap.h"

long long findGap(int T, int N) {
    long long R = 1000000000000000000LL;
    if (T == 1) {
        long long a = 0, b = R;
        int cnt = 0;
        std::vector < long long > ans;
        while (a <= b && cnt < (N + 1) / 2) {
            cnt++;
            long long x, y;
            MinMax(a, b, &x, &y);
            if (x != -1)
                ans.push_back(x), ans.push_back(y);
            a = x + 1;
            b = y - 1;
        }
        long long sol = 0;
        std::sort(ans.begin(), ans.end());

        for (int i = 1; i < (int)ans.size(); i++)
            sol = std::max(sol, ans[i] - ans[i - 1]);
        return sol;
    }
    long long e, r;
    MinMax(0, R, &e, &r);
    r -= e;
    long long dist = (r + N - 2) / (N - 1), st = e, ans = 0, val = -1;
    for (int i = 1; i < N; i++) {
        long long a, b;
        MinMax(st, st + dist, &a, &b);
        st += dist + 1;

        if (a != -1) {
            if (val != -1)
                ans = std::max(ans, a - val);
            val = b;
        }
    }

    if (N == 2)
        ans = r;

    return ans;
}

Subtask #1

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	356 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	256 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	3 ms	384 KB	Output is correct
16	Correct	15 ms	896 KB	Output is correct
17	Correct	21 ms	888 KB	Output is correct
18	Correct	16 ms	896 KB	Output is correct
19	Correct	17 ms	904 KB	Output is correct
20	Correct	12 ms	896 KB	Output is correct
21	Correct	60 ms	2288 KB	Output is correct
22	Correct	60 ms	2288 KB	Output is correct
23	Correct	63 ms	2288 KB	Output is correct
24	Correct	58 ms	2292 KB	Output is correct
25	Correct	49 ms	2288 KB	Output is correct
26	Correct	57 ms	2288 KB	Output is correct
27	Correct	57 ms	2288 KB	Output is correct
28	Correct	55 ms	2288 KB	Output is correct
29	Correct	58 ms	2296 KB	Output is correct
30	Correct	43 ms	2256 KB	Output is correct
31	Correct	2 ms	256 KB	Output is correct
32	Correct	2 ms	384 KB	Output is correct

Subtask #2

70.0 / 70.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	3 ms	332 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	384 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	3 ms	256 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	3 ms	256 KB	Output is correct
15	Correct	3 ms	256 KB	Output is correct
16	Correct	22 ms	512 KB	Output is correct
17	Correct	18 ms	512 KB	Output is correct
18	Correct	19 ms	512 KB	Output is correct
19	Correct	19 ms	512 KB	Output is correct
20	Correct	9 ms	512 KB	Output is correct
21	Correct	66 ms	1024 KB	Output is correct
22	Correct	65 ms	1024 KB	Output is correct
23	Correct	67 ms	1144 KB	Output is correct
24	Correct	68 ms	1144 KB	Output is correct
25	Correct	63 ms	1152 KB	Output is correct
26	Correct	80 ms	1144 KB	Output is correct
27	Correct	69 ms	1144 KB	Output is correct
28	Correct	67 ms	1116 KB	Output is correct
29	Correct	76 ms	1176 KB	Output is correct
30	Correct	41 ms	1272 KB	Output is correct
31	Correct	2 ms	256 KB	Output is correct
32	Correct	2 ms	256 KB	Output is correct