oj.uz

Submission #111326

# Submission time Handle Problem Language Result Execution time Memory
111326 2019-05-14T19:24:50 Z vex Xylophone (JOI18_xylophone) C++14
47 / 100
 73 ms 516 KB 
#include<bits/stdc++.h>
#include<xylophone.h>
using namespace std;
 
int a[5005];
bool bio[5005];
 
void solve(int n)
{
  	int uq=0;
	int l=1;
	int r=n;
	int sol=n;
	while(l<=r)
	{
      	uq++;
		int mid=(l+r)/2;
		if(query(1,mid)==n-1)
		{
			sol=mid;
			r=mid-1;
		}
		else l=mid+1;
	}
	
	for(int i=1;i<=n;i++)bio[i]=false;
	
	a[sol]=n;bio[n]=true;
	if(sol<n){a[sol+1]=n-query(sol,sol+1);uq++;}
	a[sol-1]=n-query(sol-1,sol);uq++;
 
	for(int i=sol+2;i<=n;i++)
	{
		int maxx=max(a[i-1],a[i-2]);
		int minn=min(a[i-1],a[i-2]);
		int d1=query(i-2,i);uq++;
		if(d1==maxx-minn)
		{
          	uq++;
			if(a[i-1]==maxx)a[i]=maxx-query(i-1,i);
			else a[i]=minn+query(i-1,i);
		}
		else
		{
			int br1=minn+d1;
			int br2=maxx-d1;
			if(br1>n || bio[br1])a[i]=br2;
			else if(br2<1 || bio[br2])a[i]=br1;
			else
			{
              	uq++;
				int d2=query(i-1,i);
				int num1=a[i-1]-d2;
				int num2=a[i-1]+d2;
				
				if(num1>0 && num1<=n && (num1==br1 || num1==br2))a[i]=num1;
				else a[i]=num2;
			}
		}
		bio[a[i]]=true;
	}
	
	for(int i=sol-2;i>0;i--)
	{
		int maxx=max(a[i+1],a[i+2]);
		int minn=min(a[i+1],a[i+2]);
		int d1=query(i,i+2);uq++;
		if(d1==maxx-minn)
		{
          	uq++;
			if(a[i+1]==maxx)a[i]=maxx-query(i,i+1);
			else a[i]=minn+query(i,i+1);
		}
		else
		{
			int br1=minn+d1;
			int br2=maxx-d1;
			if(br1>n || bio[br1])a[i]=br2;
			else if(br2<1 || bio[br2])a[i]=br1;
			else
			{
              	uq++;
				int d2=query(i,i+1);
				int num1=a[i+1]-d2;
				int num2=a[i+1]+d2;
				
				if(num1<=n && num1>0 && (num1==br1 || num1==br2))a[i]=num1;
				else a[i]=num2;
			}
		}
		bio[a[i]]=true;
	}
	
  	if(uq>10000)
    {
      while(true)uq=1;
    }
	
	for(int i=1;i<=n;i++)answer(i,a[i]);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 3 ms 256 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 3 ms 324 KB Output is correct
8 Correct 2 ms 324 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 3 ms 328 KB Output is correct
11 Correct 2 ms 328 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 3 ms 412 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 3 ms 256 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 3 ms 324 KB Output is correct
8 Correct 2 ms 324 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 3 ms 328 KB Output is correct
11 Correct 2 ms 328 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 3 ms 412 KB Output is correct
16 Correct 3 ms 332 KB Output is correct
17 Correct 5 ms 332 KB Output is correct
18 Correct 14 ms 328 KB Output is correct
19 Correct 14 ms 384 KB Output is correct
20 Correct 24 ms 256 KB Output is correct
21 Correct 19 ms 332 KB Output is correct
22 Correct 18 ms 256 KB Output is correct
23 Correct 9 ms 384 KB Output is correct
24 Correct 15 ms 256 KB Output is correct
25 Correct 24 ms 384 KB Output is correct
26 Correct 13 ms 256 KB Output is correct
27 Correct 8 ms 332 KB Output is correct
28 Correct 12 ms 256 KB Output is correct
29 Correct 15 ms 256 KB Output is correct
30 Correct 16 ms 256 KB Output is correct

Subtask #3
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 3 ms 256 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 3 ms 324 KB Output is correct
8 Correct 2 ms 324 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 3 ms 328 KB Output is correct
11 Correct 2 ms 328 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 3 ms 412 KB Output is correct
16 Correct 3 ms 332 KB Output is correct
17 Correct 5 ms 332 KB Output is correct
18 Correct 14 ms 328 KB Output is correct
19 Correct 14 ms 384 KB Output is correct
20 Correct 24 ms 256 KB Output is correct
21 Correct 19 ms 332 KB Output is correct
22 Correct 18 ms 256 KB Output is correct
23 Correct 9 ms 384 KB Output is correct
24 Correct 15 ms 256 KB Output is correct
25 Correct 24 ms 384 KB Output is correct
26 Correct 13 ms 256 KB Output is correct
27 Correct 8 ms 332 KB Output is correct
28 Correct 12 ms 256 KB Output is correct
29 Correct 15 ms 256 KB Output is correct
30 Correct 16 ms 256 KB Output is correct
31 Correct 26 ms 384 KB Output is correct
32 Correct 43 ms 424 KB Output is correct
33 Correct 68 ms 384 KB Output is correct
34 Correct 73 ms 464 KB Output is correct
35 Correct 71 ms 516 KB Output is correct
36 Correct 24 ms 376 KB Output is correct
37 Incorrect 42 ms 508 KB Wrong Answer [2]
38 Halted 0 ms 0 KB -