oj.uz

Submission #478989

# Submission time Handle Problem Language Result Execution time Memory
478989 2021-10-09T10:42:04 Z ponytail Xylophone (JOI18_xylophone) C++17
100 / 100
 135 ms 448 KB 
//SUBMIT


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

using namespace std;

static int A[16384];

void solve(int N) {
    if(N == 2) {
        answer(1, 1);
        answer(2, 2);
        return;
    }

    int P[N+1];
    int delta[N+1];

    int one[N+1], two[N+1];
	for(int i = 1; i < N; i++) {
		one[i] = query(i, i+1);
	}
    for(int i=1; i<N-1; i++) {
        two[i] = query(i, i+2);
    }
    if(one[1] + one[2] == two[1]) delta[1] = one[1], delta[2] = one[2];
    else delta[1] = one[1], delta[2] = -one[2];
    for(int i=3; i<N; i++) {
        if(one[i-1] + one[i] == two[i-1]) delta[i] = (delta[i-1] > 0 ? 1 : -1) * one[i];
        else delta[i] = (delta[i-1] > 0 ? -1 : 1) * one[i];
    }
    int mini, maxi, cur;
    
    mini = 0, maxi = 0, cur = 0;
    for(int i=1; i<N; i++) {
        cur += delta[i];
        mini = min(mini, cur);
        maxi = max(maxi, cur);
    }
    cur = 0;

    int pos[N+1];
    for(int i=2; i<=N; i++) {
        cur += delta[i-1];
        P[i] = cur - mini + 1;
        pos[P[i]] = i;
    }
    P[1] = -mini + 1;
    pos[-mini + 1] = 1;
    if(pos[1] > pos[N]) {

        for(int i=1; i<N; i++) delta[i] *= -1;
        mini = 0, maxi = 0, cur = 0;
        for(int i=1; i<N; i++) {
            cur += delta[i];
            mini = min(mini, cur);
            maxi = max(maxi, cur);
        }
        cur = 0;
    
        for(int i=2; i<=N; i++) {
            cur += delta[i-1];
            P[i] = cur - mini + 1;
        }

        P[1] = -mini + 1;
    }
    for(int i=1; i<=N; i++) {
        answer(i, P[i]);
    }
}

//END SUBMIT

Compilation message

xylophone.cpp:9:12: warning: 'A' defined but not used [-Wunused-variable]
    9 | static int A[16384];
      |            ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 2 ms 200 KB Output is correct
4 Correct 3 ms 200 KB Output is correct
5 Correct 2 ms 200 KB Output is correct
6 Correct 3 ms 200 KB Output is correct
7 Correct 3 ms 200 KB Output is correct
8 Correct 2 ms 200 KB Output is correct
9 Correct 3 ms 200 KB Output is correct
10 Correct 3 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 ms 200 KB Output is correct
13 Correct 3 ms 200 KB Output is correct
14 Correct 3 ms 200 KB Output is correct
15 Correct 3 ms 200 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 2 ms 200 KB Output is correct
4 Correct 3 ms 200 KB Output is correct
5 Correct 2 ms 200 KB Output is correct
6 Correct 3 ms 200 KB Output is correct
7 Correct 3 ms 200 KB Output is correct
8 Correct 2 ms 200 KB Output is correct
9 Correct 3 ms 200 KB Output is correct
10 Correct 3 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 ms 200 KB Output is correct
13 Correct 3 ms 200 KB Output is correct
14 Correct 3 ms 200 KB Output is correct
15 Correct 3 ms 200 KB Output is correct
16 Correct 7 ms 200 KB Output is correct
17 Correct 12 ms 292 KB Output is correct
18 Correct 19 ms 200 KB Output is correct
19 Correct 10 ms 300 KB Output is correct
20 Correct 22 ms 200 KB Output is correct
21 Correct 9 ms 300 KB Output is correct
22 Correct 18 ms 288 KB Output is correct
23 Correct 17 ms 200 KB Output is correct
24 Correct 16 ms 296 KB Output is correct
25 Correct 24 ms 200 KB Output is correct
26 Correct 25 ms 284 KB Output is correct
27 Correct 21 ms 200 KB Output is correct
28 Correct 23 ms 200 KB Output is correct
29 Correct 23 ms 284 KB Output is correct
30 Correct 15 ms 200 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 2 ms 200 KB Output is correct
4 Correct 3 ms 200 KB Output is correct
5 Correct 2 ms 200 KB Output is correct
6 Correct 3 ms 200 KB Output is correct
7 Correct 3 ms 200 KB Output is correct
8 Correct 2 ms 200 KB Output is correct
9 Correct 3 ms 200 KB Output is correct
10 Correct 3 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 ms 200 KB Output is correct
13 Correct 3 ms 200 KB Output is correct
14 Correct 3 ms 200 KB Output is correct
15 Correct 3 ms 200 KB Output is correct
16 Correct 7 ms 200 KB Output is correct
17 Correct 12 ms 292 KB Output is correct
18 Correct 19 ms 200 KB Output is correct
19 Correct 10 ms 300 KB Output is correct
20 Correct 22 ms 200 KB Output is correct
21 Correct 9 ms 300 KB Output is correct
22 Correct 18 ms 288 KB Output is correct
23 Correct 17 ms 200 KB Output is correct
24 Correct 16 ms 296 KB Output is correct
25 Correct 24 ms 200 KB Output is correct
26 Correct 25 ms 284 KB Output is correct
27 Correct 21 ms 200 KB Output is correct
28 Correct 23 ms 200 KB Output is correct
29 Correct 23 ms 284 KB Output is correct
30 Correct 15 ms 200 KB Output is correct
31 Correct 37 ms 316 KB Output is correct
32 Correct 46 ms 328 KB Output is correct
33 Correct 77 ms 340 KB Output is correct
34 Correct 103 ms 352 KB Output is correct
35 Correct 68 ms 348 KB Output is correct
36 Correct 135 ms 344 KB Output is correct
37 Correct 101 ms 448 KB Output is correct
38 Correct 88 ms 328 KB Output is correct
39 Correct 80 ms 348 KB Output is correct
40 Correct 106 ms 352 KB Output is correct
41 Correct 103 ms 344 KB Output is correct
42 Correct 112 ms 356 KB Output is correct
43 Correct 83 ms 356 KB Output is correct
44 Correct 107 ms 348 KB Output is correct
45 Correct 88 ms 348 KB Output is correct
46 Correct 71 ms 348 KB Output is correct
47 Correct 110 ms 360 KB Output is correct
48 Correct 76 ms 328 KB Output is correct
49 Correct 98 ms 348 KB Output is correct
50 Correct 116 ms 360 KB Output is correct
51 Correct 122 ms 368 KB Output is correct
52 Correct 125 ms 344 KB Output is correct
53 Correct 100 ms 344 KB Output is correct
54 Correct 58 ms 360 KB Output is correct
55 Correct 109 ms 344 KB Output is correct
56 Correct 103 ms 344 KB Output is correct
57 Correct 96 ms 352 KB Output is correct
58 Correct 43 ms 360 KB Output is correct
59 Correct 104 ms 344 KB Output is correct
60 Correct 57 ms 348 KB Output is correct