oj.uz

Submission #590452

# Submission time Handle Problem Language Result Execution time Memory
590452 2022-07-06T00:14:27 Z abcvuitunggio Xylophone (JOI18_xylophone) C++17
100 / 100
 105 ms 596 KB 
#include "xylophone.h"
#include <set>
using namespace std;
void solve(int n){
    int a[n+1],b[n+1],c[n+1];
    for (int i=0;i<=n;i++){
        a[i]=0;
        b[i]=0;
        c[i]=0;
    }
    for (int i=1;i+1<=n;i++)
        a[i]=query(i,i+1);
    for (int i=1;i+2<=n;i++){
        int val=query(i,i+2);
        b[i+1]=(a[i]+a[i+1]==val?1:-1);
    }
    int d=1,mx=0,mn=0;
    set <int> s;
    s.insert(0);
    for (int i=2;i<=n;i++){
        c[i]=c[i-1]+d*a[i-1];
        d*=b[i];
        s.insert(c[i]);
        mx=max(mx,c[i]);
        mn=min(mn,c[i]);
    }
    if (s.size()==n&&mx-mn+1==n){
        int ch=0;
        for (int i=1;i<=n;i++){
            c[i]-=mn-1;
            if (c[i]==1)
                ch=1;
            if (c[i]==n)
                if (!ch)
                    break;
        }
        if (ch){
            for (int i=1;i<=n;i++)
                answer(i,c[i]);
            return;
        }
    }
    c[1]=0;
    d=-1;
    mn=0;
    for (int i=2;i<=n;i++){
        c[i]=c[i-1]+d*a[i-1];
        d*=b[i];
        mn=min(mn,c[i]);
    }
    for (int i=1;i<=n;i++)
        answer(i,c[i]-mn+1);
}

Compilation message

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:27:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |     if (s.size()==n&&mx-mn+1==n){
      |         ~~~~~~~~^~~

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 2 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 288 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 284 KB Output is correct
12 Correct 2 ms 284 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 2 ms 288 KB Output is correct
15 Correct 3 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 2 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 288 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 284 KB Output is correct
12 Correct 2 ms 284 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 2 ms 288 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 10 ms 284 KB Output is correct
18 Correct 13 ms 208 KB Output is correct
19 Correct 15 ms 292 KB Output is correct
20 Correct 16 ms 284 KB Output is correct
21 Correct 16 ms 272 KB Output is correct
22 Correct 15 ms 288 KB Output is correct
23 Correct 18 ms 276 KB Output is correct
24 Correct 16 ms 288 KB Output is correct
25 Correct 16 ms 288 KB Output is correct
26 Correct 8 ms 284 KB Output is correct
27 Correct 20 ms 292 KB Output is correct
28 Correct 18 ms 288 KB Output is correct
29 Correct 16 ms 292 KB Output is correct
30 Correct 15 ms 288 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 2 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 288 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 284 KB Output is correct
12 Correct 2 ms 284 KB Output is correct
13 Correct 2 ms 208 KB Output is correct
14 Correct 2 ms 288 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 10 ms 284 KB Output is correct
18 Correct 13 ms 208 KB Output is correct
19 Correct 15 ms 292 KB Output is correct
20 Correct 16 ms 284 KB Output is correct
21 Correct 16 ms 272 KB Output is correct
22 Correct 15 ms 288 KB Output is correct
23 Correct 18 ms 276 KB Output is correct
24 Correct 16 ms 288 KB Output is correct
25 Correct 16 ms 288 KB Output is correct
26 Correct 8 ms 284 KB Output is correct
27 Correct 20 ms 292 KB Output is correct
28 Correct 18 ms 288 KB Output is correct
29 Correct 16 ms 292 KB Output is correct
30 Correct 15 ms 288 KB Output is correct
31 Correct 42 ms 292 KB Output is correct
32 Correct 60 ms 432 KB Output is correct
33 Correct 80 ms 444 KB Output is correct
34 Correct 88 ms 596 KB Output is correct
35 Correct 88 ms 580 KB Output is correct
36 Correct 105 ms 592 KB Output is correct
37 Correct 73 ms 584 KB Output is correct
38 Correct 70 ms 580 KB Output is correct
39 Correct 97 ms 464 KB Output is correct
40 Correct 83 ms 584 KB Output is correct
41 Correct 75 ms 580 KB Output is correct
42 Correct 47 ms 580 KB Output is correct
43 Correct 82 ms 580 KB Output is correct
44 Correct 60 ms 580 KB Output is correct
45 Correct 88 ms 584 KB Output is correct
46 Correct 81 ms 580 KB Output is correct
47 Correct 87 ms 584 KB Output is correct
48 Correct 94 ms 580 KB Output is correct
49 Correct 96 ms 576 KB Output is correct
50 Correct 71 ms 588 KB Output is correct
51 Correct 80 ms 580 KB Output is correct
52 Correct 77 ms 592 KB Output is correct
53 Correct 74 ms 580 KB Output is correct
54 Correct 59 ms 576 KB Output is correct
55 Correct 99 ms 584 KB Output is correct
56 Correct 97 ms 580 KB Output is correct
57 Correct 50 ms 580 KB Output is correct
58 Correct 52 ms 580 KB Output is correct
59 Correct 98 ms 576 KB Output is correct
60 Correct 99 ms 580 KB Output is correct