답안 #650503

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
650503 2022-10-14T06:45:03 Z Koful123 Xylophone (JOI18_xylophone) C++17
100 / 100
100 ms 456 KB
#include <bits/stdc++.h>
#include <xylophone.h>
using namespace std;

void solve(int n){
	int l = 1,r = n;
	vector<int> v(n+1),th(n+1),se(n+1),vis(n+1,0);
	while(l < r){
		int m = (l + r) / 2;
		if(query(1,m) == n-1) r = m;
		else l = m + 1;
	}		
	v[l] = n; vis[v[l]] = 1;
	if(l != n){
		se[l+1] = query(l,l+1);
		v[l+1] = n - se[l+1]; vis[v[l+1]] = 1;
	}
	for(int i=l+2;i<=n;i++){
		se[i] = query(i-1,i);
		if(v[i-1] + se[i] > n){
			v[i] = v[i-1] - se[i]; vis[v[i]] = 1; continue;
		}
		if(v[i-1] - se[i] <= 0){
			v[i] = v[i-1] + se[i]; vis[v[i]] = 1; continue;
		}
		if(vis[v[i-1] - se[i]]){
			v[i] = v[i-1] + se[i]; vis[v[i]] = 1; continue;
		}
		if(vis[v[i-1] + se[i]]){
			v[i] = v[i-1] - se[i]; vis[v[i]] = 1; continue;
		}

		th[i] = query(i-2,i);
		if(th[i] == se[i-1]){
			v[i] = v[i-1] + (v[i-2] > v[i-1] ? se[i] : -se[i]);
		}
		else{
			if(v[i-2] > v[i-1]){
				if(se[i] == th[i]) v[i] = v[i-1] + se[i];
				else v[i] = v[i-1] - se[i];
			}
			else{
				if(th[i] == se[i]) v[i] = v[i-1] - se[i];
				else v[i] = v[i-1] + se[i];;
			}
		}
	}

	if(l != 1){
		se[l-1] = query(l-1,l);
		v[l-1] = n - se[l-1]; vis[v[l-1]] = 1;
	}	

	for(int i=l-2;i>=1;i--){
		se[i] = query(i,i+1);

		if(v[i+1] + se[i] > n){
			v[i] = v[i+1] - se[i]; vis[v[i]] = 1; continue;
		}
		if(v[i+1] - se[i] <= 0){
			v[i] = v[i+1] + se[i]; vis[v[i]] = 1; continue;
		}
		if(vis[v[i+1] - se[i]]){
			v[i] = v[i+1] + se[i]; vis[v[i]] = 1; continue;
		}
		if(vis[v[i+1] + se[i]]){
			v[i] = v[i+1] - se[i]; vis[v[i]] = 1; continue;
		}

		th[i] = query(i,i+2);
		if(th[i] == se[i+1]){
			v[i] = v[i+1] + (v[i+2] > v[i+1] ? se[i] : -se[i]);
		}
		else{
			if(v[i+2] > v[i+1]){
				if(se[i] == th[i]) v[i] = v[i+1] + se[i];
				else v[i] = v[i+1] - se[i];
			}
			else{
				if(th[i] == se[i]) v[i] = v[i+1] - se[i];
				else v[i] = v[i+1] + se[i];
			}
		}
	}
	for(int i=1;i<=n;i++){
		answer(i,v[i]);
	}
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 9 ms 208 KB Output is correct
18 Correct 10 ms 208 KB Output is correct
19 Correct 17 ms 208 KB Output is correct
20 Correct 14 ms 296 KB Output is correct
21 Correct 11 ms 308 KB Output is correct
22 Correct 12 ms 208 KB Output is correct
23 Correct 5 ms 316 KB Output is correct
24 Correct 17 ms 208 KB Output is correct
25 Correct 5 ms 208 KB Output is correct
26 Correct 16 ms 300 KB Output is correct
27 Correct 15 ms 208 KB Output is correct
28 Correct 15 ms 300 KB Output is correct
29 Correct 15 ms 292 KB Output is correct
30 Correct 14 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 9 ms 208 KB Output is correct
18 Correct 10 ms 208 KB Output is correct
19 Correct 17 ms 208 KB Output is correct
20 Correct 14 ms 296 KB Output is correct
21 Correct 11 ms 308 KB Output is correct
22 Correct 12 ms 208 KB Output is correct
23 Correct 5 ms 316 KB Output is correct
24 Correct 17 ms 208 KB Output is correct
25 Correct 5 ms 208 KB Output is correct
26 Correct 16 ms 300 KB Output is correct
27 Correct 15 ms 208 KB Output is correct
28 Correct 15 ms 300 KB Output is correct
29 Correct 15 ms 292 KB Output is correct
30 Correct 14 ms 208 KB Output is correct
31 Correct 20 ms 312 KB Output is correct
32 Correct 37 ms 336 KB Output is correct
33 Correct 48 ms 364 KB Output is correct
34 Correct 69 ms 360 KB Output is correct
35 Correct 52 ms 360 KB Output is correct
36 Correct 51 ms 364 KB Output is correct
37 Correct 24 ms 360 KB Output is correct
38 Correct 46 ms 376 KB Output is correct
39 Correct 65 ms 368 KB Output is correct
40 Correct 61 ms 456 KB Output is correct
41 Correct 77 ms 364 KB Output is correct
42 Correct 45 ms 360 KB Output is correct
43 Correct 62 ms 356 KB Output is correct
44 Correct 46 ms 356 KB Output is correct
45 Correct 82 ms 372 KB Output is correct
46 Correct 50 ms 356 KB Output is correct
47 Correct 92 ms 368 KB Output is correct
48 Correct 73 ms 360 KB Output is correct
49 Correct 73 ms 360 KB Output is correct
50 Correct 100 ms 360 KB Output is correct
51 Correct 63 ms 372 KB Output is correct
52 Correct 62 ms 376 KB Output is correct
53 Correct 31 ms 356 KB Output is correct
54 Correct 37 ms 360 KB Output is correct
55 Correct 54 ms 360 KB Output is correct
56 Correct 47 ms 404 KB Output is correct
57 Correct 41 ms 372 KB Output is correct
58 Correct 69 ms 360 KB Output is correct
59 Correct 53 ms 412 KB Output is correct
60 Correct 46 ms 368 KB Output is correct