oj.uz

Submission #874425

# Submission time Handle Problem Language Result Execution time Memory
874425 2023-11-17T01:21:22 Z AlphaMale06 Xylophone (JOI18_xylophone) C++14
100 / 100
 52 ms 592 KB 
#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;

void solve(int n){
    int a[n+1]={0};
    int q1[n-1];
    int q2[n-2];
    for(int i=0; i<n-1; i++){
        q1[i]=query(i+1, i+2);
    }
    for(int i=0; i< n-2; i++){
        q2[i]=query(i+1, i+3);
    }
    a[1]=1;
    a[2]=1+q1[0];
    int mn=1;
    for(int i=3; i<=n; i++){
        int pos1=a[i-1]+q1[i-2];
        int pos2=a[i-1]-q1[i-2];
        if(q1[i-2]==q2[i-3] || q2[i-3]==abs(a[i-2]-a[i-1])){
            if(a[i-1]>a[i-2])a[i]=pos2;
            else a[i]=pos1;
        }
        else{
            if(a[i-1]>a[i-2])a[i]=pos1;
            else a[i]=pos2;
        }
        mn=min(mn ,a[i]);
    }
    mn--;
    int psn=0;
    int ps1=0;
    int b[n+1];
    for(int i=1; i<=n; i++){
        a[i]-=mn;
        if(a[i]==1)ps1=i;
        if(a[i]==n)psn=i;
    }
    if(ps1>=psn){
        a[1]=1;
        a[2]=1-q1[0];
        mn=a[2];
        for(int i=3; i<=n; i++){
            int pos1=a[i-1]+q1[i-2];
            int pos2=a[i-1]-q1[i-2];
            if(q1[i-2]==q2[i-3] || q2[i-3]==abs(a[i-2]-a[i-1])){
                if(a[i-1]>a[i-2])a[i]=pos2;
                else a[i]=pos1;
            }
            else{
                if(a[i-1]>a[i-2])a[i]=pos1;
                else a[i]=pos2;
            }
            mn=min(mn ,a[i]);
        }
        mn--;
        for(int i=1; i<=n; i++){
            a[i]-=mn;
        }
    }
    for(int i=1; i<=n; i++){
        answer(i, a[i]);
    }
}

Compilation message

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:34:9: warning: unused variable 'b' [-Wunused-variable]
   34 |     int b[n+1];
      |         ^

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 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 340 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 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 340 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 4 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 7 ms 344 KB Output is correct
20 Correct 9 ms 344 KB Output is correct
21 Correct 8 ms 444 KB Output is correct
22 Correct 7 ms 344 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 8 ms 444 KB Output is correct
25 Correct 9 ms 344 KB Output is correct
26 Correct 7 ms 448 KB Output is correct
27 Correct 9 ms 344 KB Output is correct
28 Correct 7 ms 444 KB Output is correct
29 Correct 8 ms 444 KB Output is correct
30 Correct 8 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 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 340 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 4 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 7 ms 344 KB Output is correct
20 Correct 9 ms 344 KB Output is correct
21 Correct 8 ms 444 KB Output is correct
22 Correct 7 ms 344 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 8 ms 444 KB Output is correct
25 Correct 9 ms 344 KB Output is correct
26 Correct 7 ms 448 KB Output is correct
27 Correct 9 ms 344 KB Output is correct
28 Correct 7 ms 444 KB Output is correct
29 Correct 8 ms 444 KB Output is correct
30 Correct 8 ms 344 KB Output is correct
31 Correct 22 ms 452 KB Output is correct
32 Correct 24 ms 452 KB Output is correct
33 Correct 36 ms 464 KB Output is correct
34 Correct 46 ms 464 KB Output is correct
35 Correct 45 ms 496 KB Output is correct
36 Correct 42 ms 484 KB Output is correct
37 Correct 34 ms 472 KB Output is correct
38 Correct 45 ms 592 KB Output is correct
39 Correct 43 ms 472 KB Output is correct
40 Correct 46 ms 472 KB Output is correct
41 Correct 46 ms 484 KB Output is correct
42 Correct 47 ms 468 KB Output is correct
43 Correct 51 ms 464 KB Output is correct
44 Correct 43 ms 484 KB Output is correct
45 Correct 48 ms 472 KB Output is correct
46 Correct 37 ms 472 KB Output is correct
47 Correct 42 ms 468 KB Output is correct
48 Correct 50 ms 480 KB Output is correct
49 Correct 45 ms 480 KB Output is correct
50 Correct 37 ms 464 KB Output is correct
51 Correct 41 ms 484 KB Output is correct
52 Correct 52 ms 464 KB Output is correct
53 Correct 35 ms 496 KB Output is correct
54 Correct 42 ms 468 KB Output is correct
55 Correct 40 ms 484 KB Output is correct
56 Correct 48 ms 464 KB Output is correct
57 Correct 46 ms 488 KB Output is correct
58 Correct 44 ms 468 KB Output is correct
59 Correct 50 ms 484 KB Output is correct
60 Correct 42 ms 464 KB Output is correct