oj.uz

Submission #763239

# Submission time Handle Problem Language Result Execution time Memory
763239 2023-06-22T07:07:06 Z vjudge1 Xylophone (JOI18_xylophone) C++14
100 / 100
 91 ms 340 KB 
#include<xylophone.h>
#include<bits/stdc++.h>
typedef long long ll;
using namespace std;

const int maxn=200005;

int n;
int a[maxn];

void solve(int n)
{
    a[1]=0;
    a[2]=query(1,2);
    for (int i=3; i<=n; i++)
    {
        int x=query(i-2,i);
        int y=query(i-1,i);
        if (x!=y+abs(a[i-1]-a[i-2]) && a[i-2]>a[i-1])
        {
            a[i]=a[i-1]+y;
        }
        else if (x==y+abs(a[i-1]-a[i-2]) && a[i-2]<a[i-1])
        {
            a[i]=a[i-1]+y;
        }
        else
        {
            a[i]=a[i-1]-y;
        }
    }
    int minn=1e9;
    int mann=-1e9;
    for (int i=1; i<=n; i++)
    {
        minn=min(minn,a[i]);
        mann=max(mann,a[i]);
    }
    int pos_min;
    int pos_max;
    for (int i=1; i<=n; i++)
    {
        if (a[i]==minn)
        {
            pos_min=i;
        }
        if (a[i]==mann)
        {
            pos_max=i;
        }
    }
    if (pos_min>pos_max)
    {
        for (int i=1; i<=n; i++)
        {
            a[i]*=-1;
        }
        minn=1e9;
        mann=-1e9;
        for (int i=1; i<=n; i++)
        {
            minn=min(minn,a[i]);
            mann=max(mann,a[i]);
        }
    }
    for (int i=1; i<=n; i++)
    {
        answer(i,a[i]-minn+1);
    }
}

Compilation message

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:52:5: warning: 'pos_max' may be used uninitialized in this function [-Wmaybe-uninitialized]
   52 |     if (pos_min>pos_max)
      |     ^~
xylophone.cpp:52:5: warning: 'pos_min' may be used uninitialized in this function [-Wmaybe-uninitialized]

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 1 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 2 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 1 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 2 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 1 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 2 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 4 ms 208 KB Output is correct
17 Correct 7 ms 208 KB Output is correct
18 Correct 15 ms 208 KB Output is correct
19 Correct 14 ms 312 KB Output is correct
20 Correct 16 ms 208 KB Output is correct
21 Correct 14 ms 300 KB Output is correct
22 Correct 18 ms 312 KB Output is correct
23 Correct 18 ms 292 KB Output is correct
24 Correct 14 ms 308 KB Output is correct
25 Correct 22 ms 208 KB Output is correct
26 Correct 18 ms 208 KB Output is correct
27 Correct 18 ms 208 KB Output is correct
28 Correct 16 ms 312 KB Output is correct
29 Correct 17 ms 208 KB Output is correct
30 Correct 16 ms 208 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 1 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 2 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 4 ms 208 KB Output is correct
17 Correct 7 ms 208 KB Output is correct
18 Correct 15 ms 208 KB Output is correct
19 Correct 14 ms 312 KB Output is correct
20 Correct 16 ms 208 KB Output is correct
21 Correct 14 ms 300 KB Output is correct
22 Correct 18 ms 312 KB Output is correct
23 Correct 18 ms 292 KB Output is correct
24 Correct 14 ms 308 KB Output is correct
25 Correct 22 ms 208 KB Output is correct
26 Correct 18 ms 208 KB Output is correct
27 Correct 18 ms 208 KB Output is correct
28 Correct 16 ms 312 KB Output is correct
29 Correct 17 ms 208 KB Output is correct
30 Correct 16 ms 208 KB Output is correct
31 Correct 34 ms 208 KB Output is correct
32 Correct 54 ms 312 KB Output is correct
33 Correct 57 ms 300 KB Output is correct
34 Correct 43 ms 340 KB Output is correct
35 Correct 49 ms 312 KB Output is correct
36 Correct 78 ms 328 KB Output is correct
37 Correct 62 ms 312 KB Output is correct
38 Correct 74 ms 304 KB Output is correct
39 Correct 56 ms 304 KB Output is correct
40 Correct 78 ms 308 KB Output is correct
41 Correct 82 ms 292 KB Output is correct
42 Correct 55 ms 308 KB Output is correct
43 Correct 57 ms 308 KB Output is correct
44 Correct 87 ms 312 KB Output is correct
45 Correct 83 ms 308 KB Output is correct
46 Correct 84 ms 316 KB Output is correct
47 Correct 80 ms 296 KB Output is correct
48 Correct 66 ms 300 KB Output is correct
49 Correct 60 ms 316 KB Output is correct
50 Correct 46 ms 300 KB Output is correct
51 Correct 33 ms 308 KB Output is correct
52 Correct 69 ms 300 KB Output is correct
53 Correct 88 ms 292 KB Output is correct
54 Correct 62 ms 300 KB Output is correct
55 Correct 68 ms 312 KB Output is correct
56 Correct 77 ms 308 KB Output is correct
57 Correct 86 ms 312 KB Output is correct
58 Correct 64 ms 304 KB Output is correct
59 Correct 91 ms 304 KB Output is correct
60 Correct 78 ms 288 KB Output is correct