oj.uz

Submission #987180

# Submission time Handle Problem Language Result Execution time Memory
987180 2024-05-22T08:28:00 Z AdamGS Ancient Books (IOI17_books) C++17
100 / 100
 417 ms 85584 KB 
#include "books.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll INF=1e9+7;
const int LIM=1e6+7;
ll F[LIM], mi[LIM], ma[LIM], l, r;
set<ll>S;
ll fnd(ll x) {
  if(F[x]==x) return x;
  return F[x]=fnd(F[x]);
}
void uni(int a, int b) {
  if(fnd(a)==fnd(b)) return;
  ma[fnd(a)]=max(ma[fnd(a)], ma[fnd(b)]);
  mi[fnd(a)]=min(mi[fnd(a)], mi[fnd(b)]);
  F[fnd(b)]=fnd(a);
}
ll solve(ll aktl, ll aktr, ll aktmi, ll aktma) {
  if(aktl>aktmi) {
    --aktl;
    aktmi=min(aktmi, mi[fnd(aktl)]);
    aktma=max(aktma, ma[fnd(aktl)]);
    return solve(aktl, aktr, aktmi, aktma);
  }
  if(aktr<aktma) {
    ++aktr;
    aktmi=min(aktmi, mi[fnd(aktr)]);
    aktma=max(aktma, ma[fnd(aktr)]);
    return solve(aktl, aktr, aktmi, aktma);
  }
  if(aktl==l && aktr==r) return 0;
  ll xl=aktl, xr=aktr, xmi=aktmi, xma=aktma, xans=0;
  while(xl>l) {
    --xl;
    if(xl<xmi) xans+=2;
    xmi=min(xmi, mi[fnd(xl)]);
    xma=max(xma, ma[fnd(xl)]);
    if(xma>xr) break;
  }
  if(xma==xr && aktl!=l) return solve(xl, xr, xmi, xma)+xans;
  ll yl=aktl, yr=aktr, ymi=aktmi, yma=aktma, yans=0;
  while(yr<r) {
    ++yr;
    if(yr>yma) yans+=2;
    ymi=min(ymi, mi[fnd(yr)]);
    yma=max(yma, ma[fnd(yr)]);
    if(ymi<yl) break;
  }
  if(ymi==yl && aktr!=r) return solve(yl, yr, ymi, yma)+yans;
  return solve(yl, yr, ymi, yma)+min(xans, yans);
}
ll minimum_walk(vector<int>p, int s) {
  ll n=p.size();
  rep(i, n) {
    F[i]=ma[i]=mi[i]=i;
    S.insert(i);
  }
  rep(i, n) uni(i, p[i]);
  vector<pair<pair<ll,ll>,pair<ll,ll>>>V;
  l=0; r=n-1;
  while(l<s && p[l]==l) ++l;
  while(r>s && p[r]==r) --r;
  ll ans=0;
  rep(i, n) ans+=abs(p[i]-i);
  return ans+solve(s, s, mi[fnd(s)], ma[fnd(s)]);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4448 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4600 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4448 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4600 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 2 ms 4440 KB Output is correct
22 Correct 2 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 2 ms 4444 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4448 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4600 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 2 ms 4440 KB Output is correct
22 Correct 2 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 2 ms 4444 KB Output is correct
30 Correct 417 ms 78600 KB Output is correct
31 Correct 394 ms 85512 KB Output is correct
32 Correct 270 ms 85328 KB Output is correct
33 Correct 283 ms 85388 KB Output is correct
34 Correct 275 ms 85288 KB Output is correct
35 Correct 272 ms 85356 KB Output is correct
36 Correct 298 ms 85328 KB Output is correct
37 Correct 301 ms 85380 KB Output is correct
38 Correct 279 ms 85332 KB Output is correct
39 Correct 322 ms 85328 KB Output is correct
40 Correct 285 ms 85288 KB Output is correct
41 Correct 377 ms 85440 KB Output is correct
42 Correct 303 ms 85360 KB Output is correct
43 Correct 325 ms 85224 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 2 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 2 ms 4440 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4696 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 2 ms 4448 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4600 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 4440 KB Output is correct
18 Correct 1 ms 4440 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 2 ms 4440 KB Output is correct
22 Correct 2 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 2 ms 4444 KB Output is correct
30 Correct 417 ms 78600 KB Output is correct
31 Correct 394 ms 85512 KB Output is correct
32 Correct 270 ms 85328 KB Output is correct
33 Correct 283 ms 85388 KB Output is correct
34 Correct 275 ms 85288 KB Output is correct
35 Correct 272 ms 85356 KB Output is correct
36 Correct 298 ms 85328 KB Output is correct
37 Correct 301 ms 85380 KB Output is correct
38 Correct 279 ms 85332 KB Output is correct
39 Correct 322 ms 85328 KB Output is correct
40 Correct 285 ms 85288 KB Output is correct
41 Correct 377 ms 85440 KB Output is correct
42 Correct 303 ms 85360 KB Output is correct
43 Correct 325 ms 85224 KB Output is correct
44 Correct 2 ms 4444 KB Output is correct
45 Correct 2 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 2 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 2 ms 4440 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 4444 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 2 ms 4440 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4696 KB Output is correct
63 Correct 1 ms 4440 KB Output is correct
64 Correct 282 ms 85228 KB Output is correct
65 Correct 285 ms 85356 KB Output is correct
66 Correct 328 ms 85236 KB Output is correct
67 Correct 301 ms 85372 KB Output is correct
68 Correct 26 ms 14676 KB Output is correct
69 Correct 26 ms 14680 KB Output is correct
70 Correct 26 ms 14684 KB Output is correct
71 Correct 26 ms 14676 KB Output is correct
72 Correct 24 ms 14684 KB Output is correct
73 Correct 27 ms 14680 KB Output is correct
74 Correct 276 ms 85336 KB Output is correct
75 Correct 289 ms 85360 KB Output is correct
76 Correct 281 ms 85460 KB Output is correct
77 Correct 276 ms 85328 KB Output is correct
78 Correct 296 ms 85352 KB Output is correct
79 Correct 291 ms 85332 KB Output is correct
80 Correct 256 ms 85428 KB Output is correct
81 Correct 273 ms 85584 KB Output is correct
82 Correct 273 ms 85232 KB Output is correct
83 Correct 289 ms 85240 KB Output is correct
84 Correct 292 ms 85332 KB Output is correct
85 Correct 295 ms 85328 KB Output is correct
86 Correct 294 ms 85352 KB Output is correct
87 Correct 284 ms 85332 KB Output is correct
88 Correct 270 ms 85328 KB Output is correct
89 Correct 293 ms 85328 KB Output is correct
90 Correct 290 ms 85348 KB Output is correct
91 Correct 289 ms 85384 KB Output is correct
92 Correct 304 ms 85380 KB Output is correct