Submission #596685

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
596685	2022-07-15T01:21:19 Z	farhan132	Ancient Books (IOI17_books)	C++17	50 / 100	136 ms	39912 KB

books

#include "books.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<ll , ll> ii;
 
#define ff first
#define ss second
#define pb push_back
#define in insert

long long minimum_walk(std::vector<int> p, int s) {

	 ll n = p.size();

	 vector < ll > vis(n, 0);
	 ll ans = 0;
	 while(n > 0 && p[n-1] == n-1){
	 	n--;
	 }
	 if(n == 0) return 0;
	 ll l = 0;
	 while(p[l] == l) l++;
	 ll r = n - 1; ll mx = l;

	 if(s < l){
	 	ans += 2*abs(l - s); s = l;
	 }
	 if(s > r){
	 	ans += 2*abs(r - s); s = r;
	 }
	 vector < ll > P(n + 2, -1), dist(n + 2, 0);
	 vector < ll > st; st.pb(l); P[l] = l; dist[l] = l;
	 for(ll i = l; i <= r; i++){
	 	if(vis[i]) continue;
	 	ll c = i; 
	 	ll _mx = c;
	 	while(!vis[c]){
	 		vis[c] = 1;
	 		_mx = max(_mx, c);
	 		ans += abs(p[c] - c); c = p[c];
	 	}
	 	if(mx < i){
	 		P[i] = i;
	 		dist[i] = _mx;
	 		st.pb(i);
	 	}else{
	 		if(i != l) P[i] = P[i - 1];
	 		dist[P[i]] = max(dist[P[i]], _mx);
	 	}
	 	mx = max(mx, _mx);
	 }
	 ans += 2*st.size() - 2;
	 for(auto L : st){
	 	if(L <= s && s <= dist[L]){
	 		//ans += 2 * min(abs(s - L), abs(s - dist[L]));
	 	}
	 }
	 
	return ans;
}

Subtask #1
12.0 / 12.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct
9	Correct	212 KB	Output is correct
10	Correct	212 KB	Output is correct
11	Correct	212 KB	Output is correct
12	Correct	212 KB	Output is correct
13	Correct	212 KB	Output is correct
14	Correct	212 KB	Output is correct
15	Correct	212 KB	Output is correct
16	Correct	212 KB	Output is correct
17	Correct	212 KB	Output is correct
18	Correct	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	134 ms	31604 KB	Output is correct
31	Correct	134 ms	31612 KB	Output is correct
32	Correct	81 ms	15848 KB	Output is correct
33	Correct	101 ms	39912 KB	Output is correct
34	Correct	102 ms	39892 KB	Output is correct
35	Correct	136 ms	35812 KB	Output is correct
36	Correct	97 ms	33756 KB	Output is correct
37	Correct	93 ms	31612 KB	Output is correct
38	Correct	94 ms	31592 KB	Output is correct
39	Correct	96 ms	31608 KB	Output is correct
40	Correct	97 ms	31596 KB	Output is correct
41	Correct	117 ms	31608 KB	Output is correct
42	Correct	107 ms	31612 KB	Output is correct
43	Correct	101 ms	31608 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	134 ms	31604 KB	Output is correct
31	Correct	134 ms	31612 KB	Output is correct
32	Correct	81 ms	15848 KB	Output is correct
33	Correct	101 ms	39912 KB	Output is correct
34	Correct	102 ms	39892 KB	Output is correct
35	Correct	136 ms	35812 KB	Output is correct
36	Correct	97 ms	33756 KB	Output is correct
37	Correct	93 ms	31612 KB	Output is correct
38	Correct	94 ms	31592 KB	Output is correct
39	Correct	96 ms	31608 KB	Output is correct
40	Correct	97 ms	31596 KB	Output is correct
41	Correct	117 ms	31608 KB	Output is correct
42	Correct	107 ms	31612 KB	Output is correct
43	Correct	101 ms	31608 KB	Output is correct
44	Incorrect	0 ms	212 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #596685

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0