oj.uz

Submission #981352

# Submission time Handle Problem Language Result Execution time Memory
981352 2024-05-13T05:19:42 Z Amaarsaa Xylophone (JOI18_xylophone) C++14
100 / 100
 54 ms 1260 KB 
#include<bits/stdc++.h>
#include "xylophone.h"

using namespace std;

int a[5002], ans[5002];

void solve(int N) {
	int ind, mid,i, s,x1, x2, p, n = N, lo, hi;
	
	int r, b[5005], c[5005], ens[5005];
	ans[1] = 0;
	ans[2] = 0 + query(1, 2);
	r = ans[2];
	int mx = ans[2];
	for ( i = 3; i <= n; i ++) {
		s = query(i - 1, i);
		p = query(i - 2, i);
		b[i]= s;
		c[i] = p;
		x1 = ans[i - 1] - s;
		x2 = ans[i - 1] + s;
		if ( max(x1, max(ans[i - 1], ans[i - 2])) - min(x1, min(ans[i - 1], ans[i - 2])) == p) {
			ans[i] = x1;
		} 
		if ( max(x2, max(ans[i - 1], ans[i - 2])) - min(x2, min(ans[i - 1], ans[i - 2])) == p) {
			ans[i] = x2;
		} 
		mx = max(mx,ans[i]);
	}
	int j = 1, J = 1;
	for (i = 1; i <= n; i ++) {
		ens[i] = ans[i]= ans[i] + (n - mx);
		if ( ans[i] == n) j = i;
		if ( ans[i] == 1) J = i;
	}
	sort ( ens + 1, ens + n + 1);
	int can = 1;
	for (i =1; i <= n; i ++) if ( ens[i] != i) can = 0;
	if (  can && J < j) {
//		for (i = 1; i <= n; i ++) cout << ans[i] << " ";
		for (i = 1; i <= n; i ++) answer(i, ans[i]);
		return ;
	}
	ans[1] = 0;
	ans[2] = -r;
	mx = 0;
	for ( i = 3; i <= n; i ++) {
		s = b[i];
		p = c[i];
		x1 = ans[i - 1] - s;
		x2 = ans[i - 1] + s;
		if ( max(x1, max(ans[i - 1], ans[i - 2])) - min(x1, min(ans[i - 1], ans[i - 2])) == p) {
			ans[i] = x1;
		} 
		if ( max(x2, max(ans[i - 1], ans[i - 2])) - min(x2, min(ans[i - 1], ans[i - 2])) == p) {
			ans[i] = x2;
		} 
		mx = max(mx,ans[i]);
	}
	for (i = 1; i <= n; i ++) ans[i] = ans[i] + (n - mx);
//	for (i = 1; i <= n; i ++) cout << ans[i] << " ";
	for (i =1 ; i<= n; i++) answer(i, ans[i]);
}

Compilation message

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:9:6: warning: unused variable 'ind' [-Wunused-variable]
    9 |  int ind, mid,i, s,x1, x2, p, n = N, lo, hi;
      |      ^~~
xylophone.cpp:9:11: warning: unused variable 'mid' [-Wunused-variable]
    9 |  int ind, mid,i, s,x1, x2, p, n = N, lo, hi;
      |           ^~~
xylophone.cpp:9:38: warning: unused variable 'lo' [-Wunused-variable]
    9 |  int ind, mid,i, s,x1, x2, p, n = N, lo, hi;
      |                                      ^~
xylophone.cpp:9:42: warning: unused variable 'hi' [-Wunused-variable]
    9 |  int ind, mid,i, s,x1, x2, p, n = N, lo, hi;
      |                                          ^~

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 2 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 344 KB Output is correct
14 Correct 1 ms 356 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 2 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 344 KB Output is correct
14 Correct 1 ms 356 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 504 KB Output is correct
18 Correct 9 ms 496 KB Output is correct
19 Correct 7 ms 752 KB Output is correct
20 Correct 10 ms 752 KB Output is correct
21 Correct 9 ms 756 KB Output is correct
22 Correct 7 ms 496 KB Output is correct
23 Correct 7 ms 756 KB Output is correct
24 Correct 7 ms 492 KB Output is correct
25 Correct 10 ms 760 KB Output is correct
26 Correct 9 ms 748 KB Output is correct
27 Correct 10 ms 500 KB Output is correct
28 Correct 8 ms 748 KB Output is correct
29 Correct 8 ms 504 KB Output is correct
30 Correct 8 ms 752 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 2 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 344 KB Output is correct
14 Correct 1 ms 356 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 504 KB Output is correct
18 Correct 9 ms 496 KB Output is correct
19 Correct 7 ms 752 KB Output is correct
20 Correct 10 ms 752 KB Output is correct
21 Correct 9 ms 756 KB Output is correct
22 Correct 7 ms 496 KB Output is correct
23 Correct 7 ms 756 KB Output is correct
24 Correct 7 ms 492 KB Output is correct
25 Correct 10 ms 760 KB Output is correct
26 Correct 9 ms 748 KB Output is correct
27 Correct 10 ms 500 KB Output is correct
28 Correct 8 ms 748 KB Output is correct
29 Correct 8 ms 504 KB Output is correct
30 Correct 8 ms 752 KB Output is correct
31 Correct 19 ms 752 KB Output is correct
32 Correct 28 ms 736 KB Output is correct
33 Correct 46 ms 496 KB Output is correct
34 Correct 50 ms 1252 KB Output is correct
35 Correct 47 ms 984 KB Output is correct
36 Correct 43 ms 752 KB Output is correct
37 Correct 41 ms 1008 KB Output is correct
38 Correct 46 ms 752 KB Output is correct
39 Correct 51 ms 500 KB Output is correct
40 Correct 48 ms 748 KB Output is correct
41 Correct 43 ms 992 KB Output is correct
42 Correct 44 ms 740 KB Output is correct
43 Correct 54 ms 1260 KB Output is correct
44 Correct 47 ms 740 KB Output is correct
45 Correct 53 ms 1000 KB Output is correct
46 Correct 54 ms 1248 KB Output is correct
47 Correct 46 ms 752 KB Output is correct
48 Correct 47 ms 752 KB Output is correct
49 Correct 48 ms 996 KB Output is correct
50 Correct 49 ms 1252 KB Output is correct
51 Correct 40 ms 752 KB Output is correct
52 Correct 40 ms 780 KB Output is correct
53 Correct 47 ms 756 KB Output is correct
54 Correct 49 ms 992 KB Output is correct
55 Correct 47 ms 996 KB Output is correct
56 Correct 50 ms 992 KB Output is correct
57 Correct 54 ms 756 KB Output is correct
58 Correct 40 ms 996 KB Output is correct
59 Correct 47 ms 744 KB Output is correct
60 Correct 43 ms 1016 KB Output is correct