#include <bits/stdc++.h>
#include "books.h"
using namespace std;
const int MX = 1e6 + 100;
int mn[MX], mx[MX];
long long minimum_walk(vector<int> p, int s) {
int n = p.size(), t = 0;
for(int i = 0; i < n; i ++) mn[i] = i;
while(p[n - 1] == n - 1 and n - 1 > s) n --;
while(p[t ] == t and t < s) t ++;
long long sum = 0;
auto update = [&] (int s, int p) {
mx[s] = max(mx[s], mx[p]);
mn[s] = min(mn[s], mn[p]);
};
for(int i = t; i < n; i ++) {
mx[p[i]] = max(mx[p[i]], i);
mn[p[i]] = min(mn[p[i]], i);
mx[i] = max(mx[i], p[i]);
mn[i] = min(mn[i], p[i]);
sum += abs(i - p[i]);
}
queue<int> l, r;
for(int i = s - 1; i >= t; i --) l.push(i);
for(int i = s + 1; i < n; i ++) r.push(i);
srand(time(0));
while(1) {
if(l.size() and l.front() >= mn[s]) update(s, l.front()), l.pop();
else if(r.size() and r.front() <= mx[s]) update(s, r.front()), r.pop();
else if(l.size() and r.size() and rand() % 2) {
sum += 2;
update(s, r.front()), r.pop();
}
else if(l.size()) sum += 2, update(s, l.front()), l.pop();
else if(r.size()) sum += 2, update(s, r.front()), r.pop();
else break;
}
return sum;
}
//main () {
// cout << minimum_walk({2, 3, 0, 1}, 0);
//}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
3 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
256 KB |
Output is correct |
| 8 |
Correct |
3 ms |
256 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
3 ms |
256 KB |
Output is correct |
| 11 |
Correct |
3 ms |
256 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
256 KB |
Output is correct |
| 14 |
Correct |
3 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
356 KB |
Output is correct |
| 16 |
Correct |
2 ms |
256 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
3 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
256 KB |
Output is correct |
| 8 |
Correct |
3 ms |
256 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
3 ms |
256 KB |
Output is correct |
| 11 |
Correct |
3 ms |
256 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
256 KB |
Output is correct |
| 14 |
Correct |
3 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
356 KB |
Output is correct |
| 16 |
Correct |
2 ms |
256 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
3 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
3 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
2 ms |
384 KB |
Output is correct |
| 28 |
Correct |
3 ms |
384 KB |
Output is correct |
| 29 |
Correct |
3 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
3 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
256 KB |
Output is correct |
| 8 |
Correct |
3 ms |
256 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
3 ms |
256 KB |
Output is correct |
| 11 |
Correct |
3 ms |
256 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
256 KB |
Output is correct |
| 14 |
Correct |
3 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
356 KB |
Output is correct |
| 16 |
Correct |
2 ms |
256 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
3 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
3 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
2 ms |
384 KB |
Output is correct |
| 28 |
Correct |
3 ms |
384 KB |
Output is correct |
| 29 |
Correct |
3 ms |
384 KB |
Output is correct |
| 30 |
Correct |
234 ms |
20168 KB |
Output is correct |
| 31 |
Correct |
229 ms |
20088 KB |
Output is correct |
| 32 |
Correct |
160 ms |
12124 KB |
Output is correct |
| 33 |
Correct |
177 ms |
20088 KB |
Output is correct |
| 34 |
Correct |
189 ms |
20088 KB |
Output is correct |
| 35 |
Correct |
279 ms |
20060 KB |
Output is correct |
| 36 |
Correct |
198 ms |
20220 KB |
Output is correct |
| 37 |
Correct |
147 ms |
20216 KB |
Output is correct |
| 38 |
Correct |
163 ms |
20088 KB |
Output is correct |
| 39 |
Correct |
220 ms |
20088 KB |
Output is correct |
| 40 |
Correct |
154 ms |
20088 KB |
Output is correct |
| 41 |
Correct |
177 ms |
20088 KB |
Output is correct |
| 42 |
Correct |
174 ms |
20088 KB |
Output is correct |
| 43 |
Correct |
153 ms |
20088 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
384 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '3854' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
3 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
256 KB |
Output is correct |
| 8 |
Correct |
3 ms |
256 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
3 ms |
256 KB |
Output is correct |
| 11 |
Correct |
3 ms |
256 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
256 KB |
Output is correct |
| 14 |
Correct |
3 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
356 KB |
Output is correct |
| 16 |
Correct |
2 ms |
256 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
3 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
3 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
2 ms |
384 KB |
Output is correct |
| 28 |
Correct |
3 ms |
384 KB |
Output is correct |
| 29 |
Correct |
3 ms |
384 KB |
Output is correct |
| 30 |
Correct |
234 ms |
20168 KB |
Output is correct |
| 31 |
Correct |
229 ms |
20088 KB |
Output is correct |
| 32 |
Correct |
160 ms |
12124 KB |
Output is correct |
| 33 |
Correct |
177 ms |
20088 KB |
Output is correct |
| 34 |
Correct |
189 ms |
20088 KB |
Output is correct |
| 35 |
Correct |
279 ms |
20060 KB |
Output is correct |
| 36 |
Correct |
198 ms |
20220 KB |
Output is correct |
| 37 |
Correct |
147 ms |
20216 KB |
Output is correct |
| 38 |
Correct |
163 ms |
20088 KB |
Output is correct |
| 39 |
Correct |
220 ms |
20088 KB |
Output is correct |
| 40 |
Correct |
154 ms |
20088 KB |
Output is correct |
| 41 |
Correct |
177 ms |
20088 KB |
Output is correct |
| 42 |
Correct |
174 ms |
20088 KB |
Output is correct |
| 43 |
Correct |
153 ms |
20088 KB |
Output is correct |
| 44 |
Incorrect |
3 ms |
384 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '3854' |
| 45 |
Halted |
0 ms |
0 KB |
- |
