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Submission #394163

# Submission time Handle Problem Language Result Execution time Memory
394163 2021-04-26T02:27:30 Z Osama_Alkhodairy Xylophone (JOI18_xylophone) C++17
100 / 100
 135 ms 388 KB 
#include <bits/stdc++.h>
#include "xylophone.h"
//~ #include "grader.cpp"
using namespace std;

static int A[5000];

int ask(int s, int t){
    return query(s + 1, t + 1);
}
void solve(int n){
    vector <int> a(n);
    a[0] = 0;
    a[1] = a[0] + ask(0, 1);
    for(int i = 0 ; i + 2 < n ; i++){
        int cur = abs(a[i] - a[i + 1]);
        int c = ask(i, i + 2);
        if(c == cur){
            int d = ask(i + 1, i + 2);
            if(a[i + 1] > a[i]){
                a[i + 2] = a[i + 1] - d;
            }
            else{
                a[i + 2] = a[i + 1] + d;
            }
        }
        else{
            int d = ask(i + 1, i + 2);
            if(c == d){
                if(a[i + 1] > a[i]){
                    a[i + 2] = a[i + 1] - c;
                }
                else{
                    a[i + 2] = a[i + 1] + c;
                }
            }
            else{
                if(a[i] > a[i + 1]){
                    a[i + 2] = a[i] - c;
                }
                else{
                    a[i + 2] = a[i] + c;
                }
            }
        }
    }
    int mn = 0, mx = 0;
    for(int i = 0 ; i < n ; i++){
        if(a[i] < a[mn]) mn = i;
        if(a[i] > a[mx]) mx = i;
    }
    if(mx < mn){
        for(auto &i : a){
            i *= -1;
        }
    }
    mn = 1e9;
    for(auto &i : a) mn = min(mn, i);
    for(auto &i : a) i = i - mn + 1;
    for(int i = 0 ; i < n ; i++){
        answer(i + 1, a[i]);
    }
}

Compilation message

xylophone.cpp:6:12: warning: 'A' defined but not used [-Wunused-variable]
    6 | static int A[5000];
      |            ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 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 5 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 2 ms 200 KB Output is correct
10 Correct 3 ms 200 KB Output is correct
11 Correct 4 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 1 ms 200 KB Output is correct
2 Correct 1 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 5 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 2 ms 200 KB Output is correct
10 Correct 3 ms 200 KB Output is correct
11 Correct 4 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 3 ms 200 KB Output is correct
17 Correct 11 ms 200 KB Output is correct
18 Correct 19 ms 200 KB Output is correct
19 Correct 19 ms 200 KB Output is correct
20 Correct 26 ms 276 KB Output is correct
21 Correct 23 ms 204 KB Output is correct
22 Correct 17 ms 276 KB Output is correct
23 Correct 21 ms 200 KB Output is correct
24 Correct 25 ms 320 KB Output is correct
25 Correct 27 ms 200 KB Output is correct
26 Correct 27 ms 204 KB Output is correct
27 Correct 25 ms 280 KB Output is correct
28 Correct 20 ms 200 KB Output is correct
29 Correct 26 ms 200 KB Output is correct
30 Correct 18 ms 200 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 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 5 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 2 ms 200 KB Output is correct
10 Correct 3 ms 200 KB Output is correct
11 Correct 4 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 3 ms 200 KB Output is correct
17 Correct 11 ms 200 KB Output is correct
18 Correct 19 ms 200 KB Output is correct
19 Correct 19 ms 200 KB Output is correct
20 Correct 26 ms 276 KB Output is correct
21 Correct 23 ms 204 KB Output is correct
22 Correct 17 ms 276 KB Output is correct
23 Correct 21 ms 200 KB Output is correct
24 Correct 25 ms 320 KB Output is correct
25 Correct 27 ms 200 KB Output is correct
26 Correct 27 ms 204 KB Output is correct
27 Correct 25 ms 280 KB Output is correct
28 Correct 20 ms 200 KB Output is correct
29 Correct 26 ms 200 KB Output is correct
30 Correct 18 ms 200 KB Output is correct
31 Correct 34 ms 388 KB Output is correct
32 Correct 81 ms 200 KB Output is correct
33 Correct 109 ms 308 KB Output is correct
34 Correct 98 ms 312 KB Output is correct
35 Correct 77 ms 296 KB Output is correct
36 Correct 121 ms 296 KB Output is correct
37 Correct 58 ms 300 KB Output is correct
38 Correct 121 ms 320 KB Output is correct
39 Correct 83 ms 320 KB Output is correct
40 Correct 121 ms 200 KB Output is correct
41 Correct 101 ms 296 KB Output is correct
42 Correct 128 ms 312 KB Output is correct
43 Correct 121 ms 296 KB Output is correct
44 Correct 88 ms 320 KB Output is correct
45 Correct 123 ms 308 KB Output is correct
46 Correct 117 ms 296 KB Output is correct
47 Correct 77 ms 296 KB Output is correct
48 Correct 117 ms 296 KB Output is correct
49 Correct 101 ms 296 KB Output is correct
50 Correct 98 ms 296 KB Output is correct
51 Correct 67 ms 296 KB Output is correct
52 Correct 57 ms 292 KB Output is correct
53 Correct 96 ms 296 KB Output is correct
54 Correct 83 ms 292 KB Output is correct
55 Correct 123 ms 296 KB Output is correct
56 Correct 128 ms 320 KB Output is correct
57 Correct 128 ms 320 KB Output is correct
58 Correct 95 ms 320 KB Output is correct
59 Correct 135 ms 304 KB Output is correct
60 Correct 128 ms 300 KB Output is correct