#include "bits/stdc++.h"
#include "books.h"
using namespace std;
long long minimum_walk(std::vector<int> p, int s) {
assert(s == 0);
int n = p.size();
long long ans = 0;
vector <bool> vis (n, false);
vector <pair <int, int>> range;
for(int i = 0; i < n; i++) ans += abs(p[i] - i);
for(int i = 0; i < n; i++) {
if(vis[i] == true) continue;
vector <int> cycle;
int cur = i;
do {
vis[cur] = true;
cycle.push_back(cur);
cur = p[cur];
} while(vis[cur] == false);
range.emplace_back(*min_element(cycle.begin(), cycle.end()),
*max_element(cycle.begin(), cycle.end()));
}
vector <int> pre (n, 0);
for(auto i : range) {
pre[i.second] -= 1;
pre[i.first] += 1;
}
for(int i = 1; i < pre.size(); i++) pre[i] += pre[i - 1];
ans += count(pre.begin(), pre.end(), 0) * 2;
for(int i = pre.size() - 1; i >= s; i--) {
if(pre[i] == 1) break;
ans -= 2;
}
for(int i = 0; i < s; i++) {
if(pre[i] == 1) break;
ans -= 2;
}
return ans;
}
Compilation message
books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int i = 1; i < pre.size(); i++) pre[i] += pre[i - 1];
| ~~^~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
256 KB |
Output is correct |
| 2 |
Correct |
1 ms |
256 KB |
Output is correct |
| 3 |
Correct |
1 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
256 KB |
Output is correct |
| 5 |
Correct |
1 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
256 KB |
Output is correct |
| 8 |
Correct |
1 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
256 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| 11 |
Correct |
0 ms |
256 KB |
Output is correct |
| 12 |
Correct |
1 ms |
256 KB |
Output is correct |
| 13 |
Correct |
1 ms |
256 KB |
Output is correct |
| 14 |
Correct |
0 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
256 KB |
Output is correct |
| 16 |
Correct |
1 ms |
256 KB |
Output is correct |
| 17 |
Correct |
0 ms |
256 KB |
Output is correct |
| 18 |
Correct |
1 ms |
256 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
256 KB |
Output is correct |
| 2 |
Correct |
1 ms |
256 KB |
Output is correct |
| 3 |
Correct |
1 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
256 KB |
Output is correct |
| 5 |
Correct |
1 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
256 KB |
Output is correct |
| 8 |
Correct |
1 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
256 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| 11 |
Correct |
0 ms |
256 KB |
Output is correct |
| 12 |
Correct |
1 ms |
256 KB |
Output is correct |
| 13 |
Correct |
1 ms |
256 KB |
Output is correct |
| 14 |
Correct |
0 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
256 KB |
Output is correct |
| 16 |
Correct |
1 ms |
256 KB |
Output is correct |
| 17 |
Correct |
0 ms |
256 KB |
Output is correct |
| 18 |
Correct |
1 ms |
256 KB |
Output is correct |
| 19 |
Correct |
1 ms |
288 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
384 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
384 KB |
Output is correct |
| 28 |
Correct |
1 ms |
384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
256 KB |
Output is correct |
| 2 |
Correct |
1 ms |
256 KB |
Output is correct |
| 3 |
Correct |
1 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
256 KB |
Output is correct |
| 5 |
Correct |
1 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
256 KB |
Output is correct |
| 8 |
Correct |
1 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
256 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| 11 |
Correct |
0 ms |
256 KB |
Output is correct |
| 12 |
Correct |
1 ms |
256 KB |
Output is correct |
| 13 |
Correct |
1 ms |
256 KB |
Output is correct |
| 14 |
Correct |
0 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
256 KB |
Output is correct |
| 16 |
Correct |
1 ms |
256 KB |
Output is correct |
| 17 |
Correct |
0 ms |
256 KB |
Output is correct |
| 18 |
Correct |
1 ms |
256 KB |
Output is correct |
| 19 |
Correct |
1 ms |
288 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
384 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
384 KB |
Output is correct |
| 28 |
Correct |
1 ms |
384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
244 ms |
13288 KB |
Output is correct |
| 31 |
Correct |
253 ms |
14972 KB |
Output is correct |
| 32 |
Correct |
295 ms |
20828 KB |
Output is correct |
| 33 |
Correct |
227 ms |
18396 KB |
Output is correct |
| 34 |
Correct |
261 ms |
18396 KB |
Output is correct |
| 35 |
Correct |
224 ms |
17448 KB |
Output is correct |
| 36 |
Correct |
200 ms |
15080 KB |
Output is correct |
| 37 |
Correct |
212 ms |
13424 KB |
Output is correct |
| 38 |
Correct |
193 ms |
13124 KB |
Output is correct |
| 39 |
Correct |
180 ms |
13048 KB |
Output is correct |
| 40 |
Correct |
190 ms |
13272 KB |
Output is correct |
| 41 |
Correct |
220 ms |
13824 KB |
Output is correct |
| 42 |
Correct |
196 ms |
13872 KB |
Output is correct |
| 43 |
Correct |
256 ms |
18784 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
256 KB |
Output is correct |
| 2 |
Correct |
1 ms |
256 KB |
Output is correct |
| 3 |
Correct |
1 ms |
256 KB |
Output is correct |
| 4 |
Correct |
1 ms |
256 KB |
Output is correct |
| 5 |
Correct |
1 ms |
256 KB |
Output is correct |
| 6 |
Correct |
1 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
256 KB |
Output is correct |
| 8 |
Correct |
1 ms |
256 KB |
Output is correct |
| 9 |
Correct |
1 ms |
256 KB |
Output is correct |
| 10 |
Correct |
1 ms |
256 KB |
Output is correct |
| 11 |
Correct |
0 ms |
256 KB |
Output is correct |
| 12 |
Correct |
1 ms |
256 KB |
Output is correct |
| 13 |
Correct |
1 ms |
256 KB |
Output is correct |
| 14 |
Correct |
0 ms |
256 KB |
Output is correct |
| 15 |
Correct |
0 ms |
256 KB |
Output is correct |
| 16 |
Correct |
1 ms |
256 KB |
Output is correct |
| 17 |
Correct |
0 ms |
256 KB |
Output is correct |
| 18 |
Correct |
1 ms |
256 KB |
Output is correct |
| 19 |
Correct |
1 ms |
288 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
384 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
384 KB |
Output is correct |
| 28 |
Correct |
1 ms |
384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
244 ms |
13288 KB |
Output is correct |
| 31 |
Correct |
253 ms |
14972 KB |
Output is correct |
| 32 |
Correct |
295 ms |
20828 KB |
Output is correct |
| 33 |
Correct |
227 ms |
18396 KB |
Output is correct |
| 34 |
Correct |
261 ms |
18396 KB |
Output is correct |
| 35 |
Correct |
224 ms |
17448 KB |
Output is correct |
| 36 |
Correct |
200 ms |
15080 KB |
Output is correct |
| 37 |
Correct |
212 ms |
13424 KB |
Output is correct |
| 38 |
Correct |
193 ms |
13124 KB |
Output is correct |
| 39 |
Correct |
180 ms |
13048 KB |
Output is correct |
| 40 |
Correct |
190 ms |
13272 KB |
Output is correct |
| 41 |
Correct |
220 ms |
13824 KB |
Output is correct |
| 42 |
Correct |
196 ms |
13872 KB |
Output is correct |
| 43 |
Correct |
256 ms |
18784 KB |
Output is correct |
| 44 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
| 45 |
Halted |
0 ms |
0 KB |
- |
