oj.uz

Submission #702900

# Submission time Handle Problem Language Result Execution time Memory
702900 2023-02-25T09:48:53 Z siewjh Xylophone (JOI18_xylophone) C++17
100 / 100
 103 ms 436 KB 
#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
static int A[5000];

void solve(int N) {
    vector<int> a2(N), a3(N);
    for (int i = 1; i <= N - 1; i++) a2[i] = query(i, i + 1);
    for (int i = 1; i <= N - 2; i++) a3[i] = query(i, i + 2);
    vector<int> ans(N + 1);
    ans[1] = 1; ans[2] = ans[1] + a2[1];
    int minv = N + 1, minind, maxv = 0, maxind;
    for (int i = 3; i <= N; i++){
        if (ans[i - 2] > ans[i - 1]){
            if (a2[i - 2] + a2[i - 1] == a3[i - 2]) ans[i] = ans[i - 1] - a2[i - 1];
            else ans[i] = ans[i - 1] + a2[i - 1];
        }
        else {
            if (a2[i - 2] + a2[i - 1] == a3[i - 2]) ans[i] = ans[i - 1] + a2[i - 1];
            else ans[i] = ans[i - 1] - a2[i - 1];
        }
    }
    for (int i = 1; i <= N; i++) {
        if (ans[i] < minv){
            minv = ans[i];
            minind = i;
        }
        if (ans[i] > maxv){
            maxv = ans[i];
            maxind = i;
        }
    }
    for (int i = 1; i <= N; i++) ans[i] -= (minv - 1);
    if (minind > maxind){
        for (int i = 1; i <= N; i++) ans[i] = N + 1 - ans[i];
    }
    for (int i = 1; i <= N; i++) {
        answer(i, ans[i]);
    }
}

Compilation message

xylophone.cpp:4:12: warning: 'A' defined but not used [-Wunused-variable]
    4 | static int A[5000];
      |            ^
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:34:5: warning: 'maxind' may be used uninitialized in this function [-Wmaybe-uninitialized]
   34 |     if (minind > maxind){
      |     ^~
xylophone.cpp:34:5: warning: 'minind' may be used uninitialized in this function [-Wmaybe-uninitialized]

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 8 ms 208 KB Output is correct
18 Correct 17 ms 208 KB Output is correct
19 Correct 16 ms 292 KB Output is correct
20 Correct 16 ms 300 KB Output is correct
21 Correct 15 ms 284 KB Output is correct
22 Correct 13 ms 208 KB Output is correct
23 Correct 20 ms 208 KB Output is correct
24 Correct 19 ms 208 KB Output is correct
25 Correct 16 ms 304 KB Output is correct
26 Correct 19 ms 208 KB Output is correct
27 Correct 14 ms 208 KB Output is correct
28 Correct 14 ms 208 KB Output is correct
29 Correct 16 ms 288 KB Output is correct
30 Correct 11 ms 208 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 2 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 8 ms 208 KB Output is correct
18 Correct 17 ms 208 KB Output is correct
19 Correct 16 ms 292 KB Output is correct
20 Correct 16 ms 300 KB Output is correct
21 Correct 15 ms 284 KB Output is correct
22 Correct 13 ms 208 KB Output is correct
23 Correct 20 ms 208 KB Output is correct
24 Correct 19 ms 208 KB Output is correct
25 Correct 16 ms 304 KB Output is correct
26 Correct 19 ms 208 KB Output is correct
27 Correct 14 ms 208 KB Output is correct
28 Correct 14 ms 208 KB Output is correct
29 Correct 16 ms 288 KB Output is correct
30 Correct 11 ms 208 KB Output is correct
31 Correct 44 ms 292 KB Output is correct
32 Correct 51 ms 304 KB Output is correct
33 Correct 35 ms 312 KB Output is correct
34 Correct 90 ms 336 KB Output is correct
35 Correct 87 ms 336 KB Output is correct
36 Correct 76 ms 328 KB Output is correct
37 Correct 103 ms 316 KB Output is correct
38 Correct 73 ms 328 KB Output is correct
39 Correct 73 ms 336 KB Output is correct
40 Correct 81 ms 336 KB Output is correct
41 Correct 73 ms 316 KB Output is correct
42 Correct 84 ms 316 KB Output is correct
43 Correct 101 ms 336 KB Output is correct
44 Correct 98 ms 336 KB Output is correct
45 Correct 81 ms 320 KB Output is correct
46 Correct 92 ms 328 KB Output is correct
47 Correct 90 ms 336 KB Output is correct
48 Correct 40 ms 320 KB Output is correct
49 Correct 88 ms 316 KB Output is correct
50 Correct 80 ms 336 KB Output is correct
51 Correct 70 ms 328 KB Output is correct
52 Correct 78 ms 336 KB Output is correct
53 Correct 91 ms 336 KB Output is correct
54 Correct 88 ms 336 KB Output is correct
55 Correct 60 ms 436 KB Output is correct
56 Correct 85 ms 336 KB Output is correct
57 Correct 90 ms 336 KB Output is correct
58 Correct 61 ms 336 KB Output is correct
59 Correct 60 ms 316 KB Output is correct
60 Correct 88 ms 336 KB Output is correct