답안 #918977

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
918977	2024-01-31T02:06:52 Z	viwlesxq	Xylophone (JOI18_xylophone)	C++17	47 / 100	46 ms	448 KB

xylophone

#include <bits/stdc++.h>
using namespace std;
#include "xylophone.h"

void solve(int n) {
    vector<int> a(n + 1), d(n + 1);
    for (int i = 1; i < n; ++i) {
        d[i] = query(i, i + 1);
    }
    int min = 1, hi = n;
    while (min + 1 < hi) {
        int mid = (min + hi) / 2;
        if ((mid + 1 < n ? query(mid, n) : d[mid]) == n - 1) min = mid;
        else hi = mid;
    }
    a[min] = 1;
    int last = min, sum = 0;
    bool increasing = true;
    for (int i = min - 1; i > 0; --i) {
        int diff = query(i, last), add = d[i];
        if (sum + add != diff) {
            last = i + 1, sum = 0;
            increasing ^= true;
        }
        a[i] = a[i + 1] + (increasing ? add : -add);
        sum += add;
    }
    last = min, sum = 0;
    increasing = true;
    for (int i = min + 1; i <= n; ++i) {
        int diff = query(last, i), add = d[i - 1];
        if (sum + add != diff) {
            last = i - 1, sum = 0;
            increasing ^= true;
        }
        a[i] = a[i - 1] + (increasing ? add : -add);
        sum += add;
    }
    for (int i = 1; i <= n; ++i) {
        answer(i, a[i]);
    }
}

Subtask #1

11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct

Subtask #2

36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	2 ms	344 KB	Output is correct
17	Correct	3 ms	436 KB	Output is correct
18	Correct	6 ms	444 KB	Output is correct
19	Correct	7 ms	440 KB	Output is correct
20	Correct	7 ms	444 KB	Output is correct
21	Correct	8 ms	440 KB	Output is correct
22	Correct	8 ms	440 KB	Output is correct
23	Correct	8 ms	444 KB	Output is correct
24	Correct	10 ms	344 KB	Output is correct
25	Correct	9 ms	440 KB	Output is correct
26	Correct	9 ms	444 KB	Output is correct
27	Correct	7 ms	444 KB	Output is correct
28	Correct	7 ms	448 KB	Output is correct
29	Correct	7 ms	448 KB	Output is correct
30	Correct	8 ms	440 KB	Output is correct

Subtask #3

0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	2 ms	344 KB	Output is correct
17	Correct	3 ms	436 KB	Output is correct
18	Correct	6 ms	444 KB	Output is correct
19	Correct	7 ms	440 KB	Output is correct
20	Correct	7 ms	444 KB	Output is correct
21	Correct	8 ms	440 KB	Output is correct
22	Correct	8 ms	440 KB	Output is correct
23	Correct	8 ms	444 KB	Output is correct
24	Correct	10 ms	344 KB	Output is correct
25	Correct	9 ms	440 KB	Output is correct
26	Correct	9 ms	444 KB	Output is correct
27	Correct	7 ms	444 KB	Output is correct
28	Correct	7 ms	448 KB	Output is correct
29	Correct	7 ms	448 KB	Output is correct
30	Correct	8 ms	440 KB	Output is correct
31	Correct	16 ms	444 KB	Output is correct
32	Correct	28 ms	432 KB	Output is correct
33	Correct	44 ms	448 KB	Output is correct
34	Incorrect	46 ms	344 KB	Wrong Answer [2]
35	Halted	0 ms	0 KB	-