oj.uz

Submission #1041094

# Submission time Handle Problem Language Result Execution time Memory
1041094 2024-08-01T15:33:26 Z ReLice Ancient Books (IOI17_books) C++17
100 / 100
 159 ms 43628 KB 
#include "books.h"
#include <bits/stdc++.h>
#define ll int
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define vll vector<ll>
#define bc back()
#define arr array
#define pll vector<pair<ll,ll>>
using namespace std;		
const ll inf=1e9;
long long minimum_walk(vector<int> p, int s) {
	ll i;
	ll n=p.sz;
	vll l(n,-1);
	vll r(n,-1);
	ll mn=inf,mx=0;
	vll cur;
	long long ans=0;
	
	function<void(ll)> get_cycle = [&](ll v){
		if(cur.sz && v==cur[0])return;
		cur.pb(v);
		get_cycle(p[v]);
	};
	
	for(i=0;i<n;i++){
		ans+=abs(i-p[i]);
		if(l[i]!=-1)continue;
		
		get_cycle(i);
		
		sort(all(cur));
		for(auto j : cur){
			l[j]=cur[0];
			r[j]=cur.bc;
		}
		
		if(cur.sz>1){
			mn=min(mn,cur[0]);
			mx=max(mx,cur.bc);
		}
		cur.clear();
	}
	ll L=s,R=s;
	vll v;
	vector<bool> vis(n,0);
	while(L>mn || R<mx){
		while(v.size()){
			ll x=v.bc;
			v.pob;
			while(L>l[x]){
				L--;
				if(!vis[l[L]]){
					vis[l[L]]=1;
					v.pb(L);
				}
			}
			while(R<r[x]){
				R++;
				if(!vis[l[R]]){
					vis[l[R]]=1;
					v.pb(R);
				}
			}
		}
		
		
		ll nl=L,nr=R;
		ll free=L;
		ll c=0,c2=0;
		
		while(nl>mn){
			if(r[nl]>R) break;
			
			free=min(free,l[nl]);
			if(free==nl) c+=2;
			
			nl--;
		}
		
		free=R;
		while(nr<mx){
			if(l[nr]<L)break;
			
			free=max(free,r[nr]);
			if(free==nr) c2+=2;
			
			nr++;
		}
		
		
		if(l[nr]<L && r[nl]>R){
			if(c<c2){
				ans+=c;
				L=nl;
				v.pb(nl);
			}else{
				ans+=c2;
				R=nr;
				v.pb(nr);
			}
		}else if(r[nl]>R){
			R=nr;
			ans+=c2;
			
			ans+=c;
			L=nl;
			v.pb(nl);
		}else{
			L=nl;
			ans+=c;
			
			ans+=c2;
			R=nr;
			v.pb(nr);
		}
		
	}
	return ans;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 600 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 600 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 159 ms 43628 KB Output is correct
31 Correct 157 ms 36444 KB Output is correct
32 Correct 71 ms 22704 KB Output is correct
33 Correct 84 ms 22864 KB Output is correct
34 Correct 77 ms 22772 KB Output is correct
35 Correct 72 ms 22868 KB Output is correct
36 Correct 75 ms 22868 KB Output is correct
37 Correct 82 ms 22864 KB Output is correct
38 Correct 90 ms 23120 KB Output is correct
39 Correct 93 ms 23124 KB Output is correct
40 Correct 109 ms 24172 KB Output is correct
41 Correct 137 ms 34736 KB Output is correct
42 Correct 122 ms 28360 KB Output is correct
43 Correct 70 ms 22868 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 600 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 159 ms 43628 KB Output is correct
31 Correct 157 ms 36444 KB Output is correct
32 Correct 71 ms 22704 KB Output is correct
33 Correct 84 ms 22864 KB Output is correct
34 Correct 77 ms 22772 KB Output is correct
35 Correct 72 ms 22868 KB Output is correct
36 Correct 75 ms 22868 KB Output is correct
37 Correct 82 ms 22864 KB Output is correct
38 Correct 90 ms 23120 KB Output is correct
39 Correct 93 ms 23124 KB Output is correct
40 Correct 109 ms 24172 KB Output is correct
41 Correct 137 ms 34736 KB Output is correct
42 Correct 122 ms 28360 KB Output is correct
43 Correct 70 ms 22868 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 344 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 344 KB Output is correct
64 Correct 75 ms 27588 KB Output is correct
65 Correct 84 ms 28648 KB Output is correct
66 Correct 98 ms 23120 KB Output is correct
67 Correct 87 ms 23020 KB Output is correct
68 Correct 8 ms 2648 KB Output is correct
69 Correct 8 ms 2484 KB Output is correct
70 Correct 8 ms 2908 KB Output is correct
71 Correct 8 ms 2908 KB Output is correct
72 Correct 7 ms 2652 KB Output is correct
73 Correct 15 ms 2972 KB Output is correct
74 Correct 70 ms 22872 KB Output is correct
75 Correct 77 ms 22896 KB Output is correct
76 Correct 95 ms 27484 KB Output is correct
77 Correct 76 ms 27240 KB Output is correct
78 Correct 81 ms 24036 KB Output is correct
79 Correct 79 ms 23500 KB Output is correct
80 Correct 74 ms 22764 KB Output is correct
81 Correct 73 ms 23500 KB Output is correct
82 Correct 71 ms 23400 KB Output is correct
83 Correct 81 ms 22864 KB Output is correct
84 Correct 76 ms 22868 KB Output is correct
85 Correct 81 ms 22868 KB Output is correct
86 Correct 83 ms 22864 KB Output is correct
87 Correct 88 ms 22884 KB Output is correct
88 Correct 83 ms 22900 KB Output is correct
89 Correct 76 ms 22864 KB Output is correct
90 Correct 107 ms 22868 KB Output is correct
91 Correct 93 ms 22868 KB Output is correct
92 Correct 109 ms 23276 KB Output is correct