oj.uz

Submission #1056073

# Submission time Handle Problem Language Result Execution time Memory
1056073 2024-08-13T07:37:09 Z tamir1 Xylophone (JOI18_xylophone) C++17
100 / 100
 69 ms 1124 KB 
#include<bits/stdc++.h>
#include "xylophone.h"
using namespace std;
static int A[5001];
int x[5001],y[5001],i,mn,ok[5001];
void solve(int N) {
	A[1]=1;
	for(i=2;i<=N;i++) x[i]=query(i-1,i);
	for(i=3;i<=N;i++) y[i]=query(i-2,i);
	A[2]=A[1]+x[2];
	for(i=3;i<=N;i++){
		if(x[i-1]==y[i]){
			if(A[i-1]>A[i-2]) A[i]=A[i-1]-x[i];
			else A[i]=A[i-1]+x[i];
		}
		else{
			if(y[i]!=x[i]){
				if(A[i-1]>A[i-2]) A[i]=A[i-1]+x[i];
				else A[i]=A[i-1]-x[i];
			}
			else{
				if(A[i-2]>A[i-1]) A[i]=A[i-1]+x[i];
				else A[i]=A[i-1]-x[i];
			}
		}
	}
	mn=10000;
	for(i=1;i<=N;i++){
		mn=min(A[i],mn);
	}
	mn=1-mn;
	for(i=1;i<=N;i++) A[i]+=mn;
	bool unen=1;
	for(i=1;i<=N;i++){
		if(A[i]<1 || A[i]>N) unen=0;
		if(ok[A[i]]!=0) unen=0;
		ok[A[i]]=i;
	}
	if(ok[1]>ok[N]) unen=0;
	if(unen){
		for(i=1;i<=N;i++) answer(i,A[i]);
		return;
	}
	A[1]=1;
	A[2]=A[1]-x[2];
	for(i=3;i<=N;i++){
		if(x[i-1]==y[i]){
			if(A[i-1]>A[i-2]) A[i]=A[i-1]-x[i];
			else A[i]=A[i-1]+x[i];
		}
		else{
			if(y[i]!=x[i]){
				if(A[i-1]>A[i-2]) A[i]=A[i-1]+x[i];
				else A[i]=A[i-1]-x[i];
			}
			else{
				if(A[i-2]>A[i-1]) A[i]=A[i-1]+x[i];
				else A[i]=A[i-1]-x[i];
			}
		}
	}
	mn=10000;
	for(i=1;i<=N;i++){
		mn=min(A[i],mn);
	}
	mn=1-mn;
	for(i=1;i<=N;i++) A[i]+=mn;
	for(i=1;i<=N;i++) answer(i,A[i]);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 2 ms 448 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 2 ms 448 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 5 ms 344 KB Output is correct
18 Correct 11 ms 456 KB Output is correct
19 Correct 11 ms 452 KB Output is correct
20 Correct 8 ms 344 KB Output is correct
21 Correct 16 ms 344 KB Output is correct
22 Correct 11 ms 344 KB Output is correct
23 Correct 8 ms 344 KB Output is correct
24 Correct 10 ms 456 KB Output is correct
25 Correct 9 ms 600 KB Output is correct
26 Correct 6 ms 344 KB Output is correct
27 Correct 7 ms 344 KB Output is correct
28 Correct 12 ms 600 KB Output is correct
29 Correct 8 ms 344 KB Output is correct
30 Correct 6 ms 464 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 2 ms 448 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 5 ms 344 KB Output is correct
18 Correct 11 ms 456 KB Output is correct
19 Correct 11 ms 452 KB Output is correct
20 Correct 8 ms 344 KB Output is correct
21 Correct 16 ms 344 KB Output is correct
22 Correct 11 ms 344 KB Output is correct
23 Correct 8 ms 344 KB Output is correct
24 Correct 10 ms 456 KB Output is correct
25 Correct 9 ms 600 KB Output is correct
26 Correct 6 ms 344 KB Output is correct
27 Correct 7 ms 344 KB Output is correct
28 Correct 12 ms 600 KB Output is correct
29 Correct 8 ms 344 KB Output is correct
30 Correct 6 ms 464 KB Output is correct
31 Correct 27 ms 600 KB Output is correct
32 Correct 39 ms 344 KB Output is correct
33 Correct 48 ms 696 KB Output is correct
34 Correct 57 ms 344 KB Output is correct
35 Correct 51 ms 700 KB Output is correct
36 Correct 45 ms 604 KB Output is correct
37 Correct 39 ms 344 KB Output is correct
38 Correct 34 ms 632 KB Output is correct
39 Correct 45 ms 708 KB Output is correct
40 Correct 69 ms 704 KB Output is correct
41 Correct 51 ms 708 KB Output is correct
42 Correct 48 ms 688 KB Output is correct
43 Correct 47 ms 712 KB Output is correct
44 Correct 62 ms 716 KB Output is correct
45 Correct 49 ms 1124 KB Output is correct
46 Correct 37 ms 592 KB Output is correct
47 Correct 41 ms 704 KB Output is correct
48 Correct 38 ms 960 KB Output is correct
49 Correct 40 ms 460 KB Output is correct
50 Correct 62 ms 344 KB Output is correct
51 Correct 53 ms 452 KB Output is correct
52 Correct 44 ms 592 KB Output is correct
53 Correct 56 ms 600 KB Output is correct
54 Correct 44 ms 600 KB Output is correct
55 Correct 36 ms 592 KB Output is correct
56 Correct 40 ms 340 KB Output is correct
57 Correct 63 ms 848 KB Output is correct
58 Correct 40 ms 452 KB Output is correct
59 Correct 43 ms 704 KB Output is correct
60 Correct 45 ms 712 KB Output is correct