#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( maxi != -1 && i > maxi ){
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;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
3rd lines differ - on the 1st token, expected: '6', found: '12' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
3rd lines differ - on the 1st token, expected: '6', found: '12' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
3rd lines differ - on the 1st token, expected: '6', found: '12' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '3596' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
3rd lines differ - on the 1st token, expected: '6', found: '12' |
2 |
Halted |
0 ms |
0 KB |
- |