oj.uz

Submission #996176

# Submission time Handle Problem Language Result Execution time Memory
996176 2024-06-10T08:28:49 Z vjudge1 Xylophone (JOI18_xylophone) C++17
100 / 100
 246 ms 97828 KB 
#include <bits/stdc++.h>
#include "xylophone.h"

using namespace std;

// static int a[5000];

int a[5004];
int mp[5004][5004];

void solve(int n) {

	// int value = query(1, N);

	// for(int i = 1; i <= N; i++) {
	// 	answer(i, i);
	// }
	int dis = query(1,2);
	// map<pair<int,int>,int> mp;
	mp[1][2]=dis;
	for(int i = 3; i <= n; i++){
		mp[i-1][i] = query(i-1, i);
		mp[i-2][i] = query(i-2, i);
	}
	for(int i = 1; i <= n; i++){
		a[1] = i;
		bool c = 1;
		if(i + dis <= n){
			c = 1;
			a[2] = i + dis;
			vector<int> used(n+1,0);
			used[a[1]] = 1;
			used[a[2]] = 2;

			for(int j = 3; j <= n; j++){
				int x = a[j-1] - mp[j-1][j];
				if(x >= 1 && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[j-2][j]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[j-1][j])){
						a[j] = x;
						used[x] = j;
						continue;
					}
				}
				x = a[j-1] + mp[j-1][j];
				if(x <= n && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[j-2][j]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[j-1][j])){
						a[j] = x;
						used[x] = j;
						continue;
					}
				}
				c = 0;
			}
			if(c&&used[1]<used[n]){ 
				
				for(int j = 1;j<=n;j++){
					// cout<<a[j]<<" ";
					answer(j,a[j]);
				}
				// cout<<endl;
				return;
			}
		}
		if(i - dis >= 1){
			c = 1;
			a[2] = i - dis;
			vector<int> used(n+1,0);
			used[a[1]] = 1;
			used[a[2]] = 2;
			for(int j = 3;j<=n;j++){
				int x = a[j-1] - mp[j-1][j];
				if(x >= 1 && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[j-2][j]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[j-1][j])){
						a[j] = x;
						used[x] = j;
						continue;
					}
				}
				x = a[j-1] + mp[j-1][j];
				if(x <= n && used[x] == 0){
					if((max({x,a[j-1],a[j-2]})-min({x,a[j-1],a[j-2]})==mp[j-2][j]) && (max(x,a[j-1]) - min(x,a[j-1])==mp[j-1][j])){
						a[j] = x;
						used[x] = j;
						continue;
					}
				}
				c = 0;
			}
			if(c&&used[1]<used[n]){
				for(int j = 1;j<=n;j++){
					// cout<<a[j]<<" ";
					answer(j,a[j]);
				}
				// cout<<endl;
				return;
			}
		}
	}

}

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 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2392 KB Output is correct
8 Correct 2 ms 2392 KB Output is correct
9 Correct 2 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2392 KB Output is correct
12 Correct 2 ms 2392 KB Output is correct
13 Correct 2 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 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 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2392 KB Output is correct
8 Correct 2 ms 2392 KB Output is correct
9 Correct 2 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2392 KB Output is correct
12 Correct 2 ms 2392 KB Output is correct
13 Correct 2 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 3 ms 6488 KB Output is correct
17 Correct 8 ms 10584 KB Output is correct
18 Correct 9 ms 16728 KB Output is correct
19 Correct 19 ms 20824 KB Output is correct
20 Correct 16 ms 20976 KB Output is correct
21 Correct 13 ms 20816 KB Output is correct
22 Correct 16 ms 20984 KB Output is correct
23 Correct 16 ms 21072 KB Output is correct
24 Correct 17 ms 20824 KB Output is correct
25 Correct 9 ms 21080 KB Output is correct
26 Correct 16 ms 20996 KB Output is correct
27 Correct 11 ms 21072 KB Output is correct
28 Correct 10 ms 21080 KB Output is correct
29 Correct 16 ms 20824 KB Output is correct
30 Correct 14 ms 20816 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 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2392 KB Output is correct
8 Correct 2 ms 2392 KB Output is correct
9 Correct 2 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2392 KB Output is correct
12 Correct 2 ms 2392 KB Output is correct
13 Correct 2 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 3 ms 6488 KB Output is correct
17 Correct 8 ms 10584 KB Output is correct
18 Correct 9 ms 16728 KB Output is correct
19 Correct 19 ms 20824 KB Output is correct
20 Correct 16 ms 20976 KB Output is correct
21 Correct 13 ms 20816 KB Output is correct
22 Correct 16 ms 20984 KB Output is correct
23 Correct 16 ms 21072 KB Output is correct
24 Correct 17 ms 20824 KB Output is correct
25 Correct 9 ms 21080 KB Output is correct
26 Correct 16 ms 20996 KB Output is correct
27 Correct 11 ms 21072 KB Output is correct
28 Correct 10 ms 21080 KB Output is correct
29 Correct 16 ms 20824 KB Output is correct
30 Correct 14 ms 20816 KB Output is correct
31 Correct 29 ms 44276 KB Output is correct
32 Correct 75 ms 61992 KB Output is correct
33 Correct 86 ms 86564 KB Output is correct
34 Correct 128 ms 97044 KB Output is correct
35 Correct 119 ms 97576 KB Output is correct
36 Correct 66 ms 97064 KB Output is correct
37 Correct 142 ms 97104 KB Output is correct
38 Correct 58 ms 97828 KB Output is correct
39 Correct 86 ms 97056 KB Output is correct
40 Correct 105 ms 97108 KB Output is correct
41 Correct 156 ms 97208 KB Output is correct
42 Correct 65 ms 97360 KB Output is correct
43 Correct 133 ms 97248 KB Output is correct
44 Correct 58 ms 97044 KB Output is correct
45 Correct 87 ms 97456 KB Output is correct
46 Correct 246 ms 97360 KB Output is correct
47 Correct 229 ms 97616 KB Output is correct
48 Correct 49 ms 97164 KB Output is correct
49 Correct 235 ms 97040 KB Output is correct
50 Correct 231 ms 97572 KB Output is correct
51 Correct 85 ms 97376 KB Output is correct
52 Correct 71 ms 97052 KB Output is correct
53 Correct 211 ms 97020 KB Output is correct
54 Correct 144 ms 97120 KB Output is correct
55 Correct 169 ms 97116 KB Output is correct
56 Correct 93 ms 97140 KB Output is correct
57 Correct 166 ms 97208 KB Output is correct
58 Correct 100 ms 97144 KB Output is correct
59 Correct 125 ms 97404 KB Output is correct
60 Correct 94 ms 97212 KB Output is correct