Submission #1116917

# Submission time Handle Problem Language Result Execution time Memory
1116917 2024-11-22T14:49:00 Z Sofiatpc Xylophone (JOI18_xylophone) C++17
47 / 100
172 ms 592 KB
#include <bits/stdc++.h>
#include "xylophone.h"

using namespace std;

int v[5005];

int calc(int a, int b, int x, int y){
	if(abs(a-b) != y && x != y){
		if(a > b)return b-x;
		return b+x;
	}else{
		if(a > b)return b+x;
		return b-x;
	}
}

void solve(int n) {
	int l = 1, r = n;
	while(l!= r){
		int mid = (l+r+1)/2;
		if(query(mid,n) == n-1)l = mid;
		else r = mid-1;
	}

	v[l] = 1;
	v[l+1] = 1+query(l,l+1);

	for(int i = l+2; i <= n; i++){
		int x = query(i-1,i);
		if(n > 4500 && x > (n-n/12)){
			if(v[i-2] > v[i-1])v[i] = v[i-1]+x;
			v[i] = v[i-1]-x;
		}else v[i] = calc(v[i-2],v[i-1], x, query(i-2,i));
	}

	if(l != 1){
		v[l-1] = 1+query(l-1,l);
		for(int i = l-2; i >= 1; i--){
			int x = query(i,i+1);
			if(n > 4500 && x > (n-n/12)){
				if(v[i+2] > v[i+1])v[i] = v[i+1]+x;
				v[i] = v[i+1]-x;
			}else v[i] = calc(v[i+2], v[i+1], query(i,i+1), query(i,i+2));
		}
	}

	for(int i = 1; i <= n; i++)
		answer(i,v[i]);
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 336 KB Output is correct
4 Correct 4 ms 336 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 4 ms 336 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 5 ms 336 KB Output is correct
9 Correct 4 ms 336 KB Output is correct
10 Correct 4 ms 336 KB Output is correct
11 Correct 4 ms 336 KB Output is correct
12 Correct 4 ms 336 KB Output is correct
13 Correct 4 ms 336 KB Output is correct
14 Correct 4 ms 336 KB Output is correct
15 Correct 4 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 336 KB Output is correct
4 Correct 4 ms 336 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 4 ms 336 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 5 ms 336 KB Output is correct
9 Correct 4 ms 336 KB Output is correct
10 Correct 4 ms 336 KB Output is correct
11 Correct 4 ms 336 KB Output is correct
12 Correct 4 ms 336 KB Output is correct
13 Correct 4 ms 336 KB Output is correct
14 Correct 4 ms 336 KB Output is correct
15 Correct 4 ms 336 KB Output is correct
16 Correct 6 ms 504 KB Output is correct
17 Correct 16 ms 336 KB Output is correct
18 Correct 22 ms 436 KB Output is correct
19 Correct 29 ms 336 KB Output is correct
20 Correct 37 ms 592 KB Output is correct
21 Correct 25 ms 336 KB Output is correct
22 Correct 34 ms 336 KB Output is correct
23 Correct 34 ms 336 KB Output is correct
24 Correct 53 ms 336 KB Output is correct
25 Correct 30 ms 336 KB Output is correct
26 Correct 30 ms 336 KB Output is correct
27 Correct 39 ms 336 KB Output is correct
28 Correct 36 ms 584 KB Output is correct
29 Correct 25 ms 336 KB Output is correct
30 Correct 41 ms 592 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 336 KB Output is correct
4 Correct 4 ms 336 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 4 ms 336 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 5 ms 336 KB Output is correct
9 Correct 4 ms 336 KB Output is correct
10 Correct 4 ms 336 KB Output is correct
11 Correct 4 ms 336 KB Output is correct
12 Correct 4 ms 336 KB Output is correct
13 Correct 4 ms 336 KB Output is correct
14 Correct 4 ms 336 KB Output is correct
15 Correct 4 ms 336 KB Output is correct
16 Correct 6 ms 504 KB Output is correct
17 Correct 16 ms 336 KB Output is correct
18 Correct 22 ms 436 KB Output is correct
19 Correct 29 ms 336 KB Output is correct
20 Correct 37 ms 592 KB Output is correct
21 Correct 25 ms 336 KB Output is correct
22 Correct 34 ms 336 KB Output is correct
23 Correct 34 ms 336 KB Output is correct
24 Correct 53 ms 336 KB Output is correct
25 Correct 30 ms 336 KB Output is correct
26 Correct 30 ms 336 KB Output is correct
27 Correct 39 ms 336 KB Output is correct
28 Correct 36 ms 584 KB Output is correct
29 Correct 25 ms 336 KB Output is correct
30 Correct 41 ms 592 KB Output is correct
31 Correct 82 ms 336 KB Output is correct
32 Correct 128 ms 444 KB Output is correct
33 Incorrect 172 ms 444 KB Wrong Answer [2]
34 Halted 0 ms 0 KB -