#include "books.h"
#include <bits/stdc++.h>
using namespace std;
#define bug(x) cout << #x << " " << x << endl;
#define ll long long
const ll maxn = 1e6 + 10;
bool marc[maxn], especial[maxn];
int bit[maxn];
void update( int id, int val ){ for( int i = id + 1; i < maxn; i += i&-i ) bit[i] += val; }
int query( int id ){ int sum = 0; for( int i = id + 1; i > 0; i -= i&-i ) sum += bit[i]; return sum; }
long long minimum_walk(vector<int> p, int s) {
if( is_sorted( p.begin(), p.end() ) ) return 0;
ll n = (ll)p.size();
ll resp = 0;
for( ll i = 0; i < (ll)p.size(); i++ ) resp += (ll)abs(p[i] - i);
ll maxi = -1;
bool contido = false;
for( ll i = 0; i < n; i++ ) if( !marc[i] && p[i] != i ){
bool good = false;
if( i > maxi ){
if( maxi != -1 ) resp += 2LL*(i - maxi);
good = true;
}
ll cur = i;
int aux = query(i);
while( !marc[cur] ){
maxi = max( maxi, cur );
marc[cur] = true;
if( query(cur) != aux ) good = true;
cur = p[cur];
}
if( i <= s && s <= maxi ) contido = true;
if( good ){
cur = i;
while( !especial[cur] ){
especial[cur] = true;
update( cur, 1 );
cur = p[cur];
}
}
}
ll l = s, r = s;
while( l >= 0 && !especial[l] ) l--;
while( r < n && !especial[r] ) r++;
if( contido ) resp += 2LL*min( s - l, r - s );
else{
if( l == -1 ) resp += 2LL*(r - s);
else if( r == n ) resp += 2LL*(s - l);
}
return resp;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2556 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2556 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2556 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
105 ms |
14108 KB |
Output is correct |
| 31 |
Correct |
111 ms |
14092 KB |
Output is correct |
| 32 |
Correct |
58 ms |
8184 KB |
Output is correct |
| 33 |
Correct |
81 ms |
14072 KB |
Output is correct |
| 34 |
Correct |
82 ms |
13904 KB |
Output is correct |
| 35 |
Correct |
81 ms |
13908 KB |
Output is correct |
| 36 |
Correct |
95 ms |
14068 KB |
Output is correct |
| 37 |
Correct |
93 ms |
13904 KB |
Output is correct |
| 38 |
Correct |
94 ms |
14076 KB |
Output is correct |
| 39 |
Correct |
87 ms |
13904 KB |
Output is correct |
| 40 |
Correct |
97 ms |
13912 KB |
Output is correct |
| 41 |
Correct |
111 ms |
14088 KB |
Output is correct |
| 42 |
Correct |
108 ms |
13904 KB |
Output is correct |
| 43 |
Correct |
75 ms |
13648 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
2396 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '3590' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2556 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 30 |
Correct |
105 ms |
14108 KB |
Output is correct |
| 31 |
Correct |
111 ms |
14092 KB |
Output is correct |
| 32 |
Correct |
58 ms |
8184 KB |
Output is correct |
| 33 |
Correct |
81 ms |
14072 KB |
Output is correct |
| 34 |
Correct |
82 ms |
13904 KB |
Output is correct |
| 35 |
Correct |
81 ms |
13908 KB |
Output is correct |
| 36 |
Correct |
95 ms |
14068 KB |
Output is correct |
| 37 |
Correct |
93 ms |
13904 KB |
Output is correct |
| 38 |
Correct |
94 ms |
14076 KB |
Output is correct |
| 39 |
Correct |
87 ms |
13904 KB |
Output is correct |
| 40 |
Correct |
97 ms |
13912 KB |
Output is correct |
| 41 |
Correct |
111 ms |
14088 KB |
Output is correct |
| 42 |
Correct |
108 ms |
13904 KB |
Output is correct |
| 43 |
Correct |
75 ms |
13648 KB |
Output is correct |
| 44 |
Incorrect |
1 ms |
2396 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '3590' |
| 45 |
Halted |
0 ms |
0 KB |
- |
