#include "books.h"
#include <bits/stdc++.h>
#define FOR(i,p,k) for(int i=(p);i<=(k);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) (int((x).size()))
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
ll minimum_walk(vector<int> perm, int start){
int n = ssize(perm);
ll wyn = 0ll;
REP(i, n) wyn += abs(i-perm[i]);
set<int> ciekawe;
REP(i, n) if(perm[i] != i) ciekawe.emplace(i);
vector<set<int>> cykle;
vector<int> lewo, prawo;
vector<int> odw(n, -1);
REP(i, n) if(odw[i] < 0){
int mini = i, maks = i;
set<int> s;
for(int w = i; odw[w] < 0; w = perm[w]){
odw[w] = ssize(cykle);
s.emplace(w);
mini = min(mini, w);
maks = max(maks, w);
}
cykle.emplace_back(s);
lewo.emplace_back(mini);
prawo.emplace_back(maks);
}
//~ REP(i, n) printf("%d ", odw[i]);
//~ printf("\n");
//~ for(vector<int> t : cykle){
//~ for(int i : t) printf("%d ", i);
//~ printf("\n");
//~ }
bool cokolwiek = 0;
int l = start, p = start;
while(ssize(ciekawe)){
auto it = ciekawe.lower_bound(l);
if(it != ciekawe.end() && *it <= p){
l = min(l, lewo[odw[*it]]);
p = max(p, prawo[odw[*it]]);
ciekawe.erase(it);
continue;
}
if(cokolwiek){
if(it != ciekawe.end()) wyn += (*it-p)<<1, p = *it;
else wyn += (l-*prev(it))<<1, l = *prev(it);
continue;
}
if(l <= *ciekawe.begin() || *prev(ciekawe.end()) <= p){
cokolwiek = 1;
continue;
}
bool git = 0;
int koszt_lewo = 0;
int nowe_lewo = l;
int iter = l;
while(iter > 1){
if(iter == nowe_lewo) --nowe_lewo, ++koszt_lewo;
--iter;
if(iter != perm[iter]){
nowe_lewo = lewo[odw[iter]];
if(prawo[odw[iter]] > p){git = 1; break;}
}
}
if(!git){
cokolwiek = 1;
continue;
}
git = 0;
int koszt_prawo = 0;
int nowe_prawo = p;
iter = p;
while(iter < n){
if(iter == nowe_prawo) ++nowe_prawo, ++koszt_prawo;
++iter;
if(iter != perm[iter]){
nowe_prawo = prawo[odw[iter]];
if(lewo[odw[iter]] < l){git = 1; break;}
}
}
if(!git){
cokolwiek = 1;
continue;
}
if(koszt_lewo < koszt_prawo) wyn += koszt_lewo<<1, l = nowe_lewo;
else wyn += koszt_prawo<<1, p = nowe_prawo;
}
return wyn;
}
| # |
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 |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
600 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 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 |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| # |
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 |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
600 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 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 |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
1 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 |
1 ms |
424 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
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 |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
600 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 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 |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
1 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 |
1 ms |
424 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1365 ms |
132348 KB |
Output is correct |
| 31 |
Correct |
1078 ms |
113392 KB |
Output is correct |
| 32 |
Correct |
201 ms |
115076 KB |
Output is correct |
| 33 |
Correct |
319 ms |
124644 KB |
Output is correct |
| 34 |
Correct |
322 ms |
125416 KB |
Output is correct |
| 35 |
Correct |
391 ms |
141708 KB |
Output is correct |
| 36 |
Correct |
438 ms |
115436 KB |
Output is correct |
| 37 |
Correct |
482 ms |
108900 KB |
Output is correct |
| 38 |
Correct |
487 ms |
106380 KB |
Output is correct |
| 39 |
Correct |
500 ms |
106288 KB |
Output is correct |
| 40 |
Correct |
556 ms |
106020 KB |
Output is correct |
| 41 |
Correct |
790 ms |
108788 KB |
Output is correct |
| 42 |
Correct |
664 ms |
106372 KB |
Output is correct |
| 43 |
Correct |
311 ms |
125416 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '3316' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
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 |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
600 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 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 |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
1 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 |
1 ms |
424 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1365 ms |
132348 KB |
Output is correct |
| 31 |
Correct |
1078 ms |
113392 KB |
Output is correct |
| 32 |
Correct |
201 ms |
115076 KB |
Output is correct |
| 33 |
Correct |
319 ms |
124644 KB |
Output is correct |
| 34 |
Correct |
322 ms |
125416 KB |
Output is correct |
| 35 |
Correct |
391 ms |
141708 KB |
Output is correct |
| 36 |
Correct |
438 ms |
115436 KB |
Output is correct |
| 37 |
Correct |
482 ms |
108900 KB |
Output is correct |
| 38 |
Correct |
487 ms |
106380 KB |
Output is correct |
| 39 |
Correct |
500 ms |
106288 KB |
Output is correct |
| 40 |
Correct |
556 ms |
106020 KB |
Output is correct |
| 41 |
Correct |
790 ms |
108788 KB |
Output is correct |
| 42 |
Correct |
664 ms |
106372 KB |
Output is correct |
| 43 |
Correct |
311 ms |
125416 KB |
Output is correct |
| 44 |
Incorrect |
1 ms |
344 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '3316' |
| 45 |
Halted |
0 ms |
0 KB |
- |
