oj.uz

Submission #996229

# Submission time Handle Problem Language Result Execution time Memory
996229 2024-06-10T08:59:13 Z vjudge1 Xylophone (JOI18_xylophone) C++17
100 / 100
 163 ms 960 KB 
#include<bits/stdc++.h>
#include "xylophone.h"
#define ll long long
#define all(v) begin(v), end(v)
#define pi pair<int, int>
#define vi vector<int>
using namespace std;
int a[5005], n;
int p1[5005], p2[5005];
 
bool thu(int u, int v){
    if(v < 1 || v > n) return false;
    a[1] = u, a[2] = v;
    for(int i = 3; i <= n; i++){
        int d1 = p1[i], d2 = p2[i], d3 = abs(a[i-2] - a[i-1]);
        if(a[i-2] > a[i-1]){
            if(d1 == d2 || d2 == d3){
                a[i] = a[i-1] + d1;
            }
            else{
               a[i] = a[i-1] - d1; 
            }
        }
        else{
            if(d1 == d2 || d2 == d3){
                a[i] = a[i-1] - d1;
            }
            else{
               a[i] = a[i-1] + d1; 
            }
        }
    }
    vector<bool> ch(n, false);
    for(int i = 1; i <= n; i++){
        if(a[i] < 1 || a[i] > n) return false;
        if(ch[a[i]-1]) return false;
        if(a[i] == n && !ch[0]) return false;
        ch[a[i]-1] = true;
    }
    return true;
}
 
void solve(int m){
    n = m;
    int d = query(1, 2);
    for(int i = 3; i <= n; i++){
        p1[i] = query(i-1, i), p2[i] = query(i-2, i);
    }
    for(int v1 = 1; v1 <= n; v1++){
        for(int z = -d; z <= d; z+=2*d){
            if(thu(v1, v1+z)){
                for(int i = 1; i <= n; i++) answer(i, a[i]);
                return ;
            }
        }
    }
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 2 ms 344 KB Output is correct
11 Correct 2 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

# Verdict Execution time Memory Grader output
1 Correct 0 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 2 ms 344 KB Output is correct
11 Correct 2 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 5 ms 344 KB Output is correct
18 Correct 12 ms 600 KB Output is correct
19 Correct 15 ms 344 KB Output is correct
20 Correct 11 ms 436 KB Output is correct
21 Correct 11 ms 344 KB Output is correct
22 Correct 15 ms 676 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 13 ms 344 KB Output is correct
25 Correct 13 ms 344 KB Output is correct
26 Correct 12 ms 452 KB Output is correct
27 Correct 10 ms 452 KB Output is correct
28 Correct 11 ms 444 KB Output is correct
29 Correct 12 ms 344 KB Output is correct
30 Correct 11 ms 344 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 2 ms 344 KB Output is correct
11 Correct 2 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 5 ms 344 KB Output is correct
18 Correct 12 ms 600 KB Output is correct
19 Correct 15 ms 344 KB Output is correct
20 Correct 11 ms 436 KB Output is correct
21 Correct 11 ms 344 KB Output is correct
22 Correct 15 ms 676 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 13 ms 344 KB Output is correct
25 Correct 13 ms 344 KB Output is correct
26 Correct 12 ms 452 KB Output is correct
27 Correct 10 ms 452 KB Output is correct
28 Correct 11 ms 444 KB Output is correct
29 Correct 12 ms 344 KB Output is correct
30 Correct 11 ms 344 KB Output is correct
31 Correct 20 ms 600 KB Output is correct
32 Correct 62 ms 444 KB Output is correct
33 Correct 58 ms 464 KB Output is correct
34 Correct 113 ms 600 KB Output is correct
35 Correct 93 ms 948 KB Output is correct
36 Correct 50 ms 708 KB Output is correct
37 Correct 125 ms 848 KB Output is correct
38 Correct 53 ms 448 KB Output is correct
39 Correct 77 ms 848 KB Output is correct
40 Correct 103 ms 600 KB Output is correct
41 Correct 99 ms 944 KB Output is correct
42 Correct 51 ms 708 KB Output is correct
43 Correct 137 ms 688 KB Output is correct
44 Correct 49 ms 600 KB Output is correct
45 Correct 62 ms 452 KB Output is correct
46 Correct 139 ms 592 KB Output is correct
47 Correct 163 ms 600 KB Output is correct
48 Correct 62 ms 948 KB Output is correct
49 Correct 133 ms 448 KB Output is correct
50 Correct 153 ms 700 KB Output is correct
51 Correct 73 ms 960 KB Output is correct
52 Correct 61 ms 344 KB Output is correct
53 Correct 114 ms 344 KB Output is correct
54 Correct 105 ms 592 KB Output is correct
55 Correct 100 ms 448 KB Output is correct
56 Correct 66 ms 444 KB Output is correct
57 Correct 104 ms 444 KB Output is correct
58 Correct 81 ms 448 KB Output is correct
59 Correct 77 ms 344 KB Output is correct
60 Correct 80 ms 692 KB Output is correct