Submission #596682

# Submission time Handle Problem Language Result Execution time Memory
596682 2022-07-15T01:14:02 Z farhan132 Ancient Books (IOI17_books) C++17
50 / 100
139 ms 40188 KB
#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); l = s;
	 }
	 if(s > r){
	 	ans += 2*abs(r - s); r = s;
	 }
	 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;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 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
# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 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 304 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 300 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 296 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 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 304 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 300 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 296 KB Output is correct
30 Correct 139 ms 31876 KB Output is correct
31 Correct 135 ms 31780 KB Output is correct
32 Correct 90 ms 16108 KB Output is correct
33 Correct 104 ms 40148 KB Output is correct
34 Correct 114 ms 40188 KB Output is correct
35 Correct 110 ms 36160 KB Output is correct
36 Correct 125 ms 34012 KB Output is correct
37 Correct 120 ms 31928 KB Output is correct
38 Correct 95 ms 31820 KB Output is correct
39 Correct 113 ms 31844 KB Output is correct
40 Correct 103 ms 31848 KB Output is correct
41 Correct 116 ms 31800 KB Output is correct
42 Correct 112 ms 31852 KB Output is correct
43 Correct 105 ms 31868 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 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 304 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 300 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 296 KB Output is correct
30 Correct 139 ms 31876 KB Output is correct
31 Correct 135 ms 31780 KB Output is correct
32 Correct 90 ms 16108 KB Output is correct
33 Correct 104 ms 40148 KB Output is correct
34 Correct 114 ms 40188 KB Output is correct
35 Correct 110 ms 36160 KB Output is correct
36 Correct 125 ms 34012 KB Output is correct
37 Correct 120 ms 31928 KB Output is correct
38 Correct 95 ms 31820 KB Output is correct
39 Correct 113 ms 31844 KB Output is correct
40 Correct 103 ms 31848 KB Output is correct
41 Correct 116 ms 31800 KB Output is correct
42 Correct 112 ms 31852 KB Output is correct
43 Correct 105 ms 31868 KB Output is correct
44 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -