#include "books.h"
#include <bits/stdc++.h>
#pragma GCC optimze ("O3, unroll-loops")
#pragma GCC target ("avx2")
using namespace std;
typedef long long ll;
const int N = 1023;
bool vis[N];
vector <int> c[N];
int l[N], r[N];
int n;
int dis[N][N];
long long minimum_walk(std::vector<int> p, int s) {
long long ans = 0;
n = (int)p.size();
for (int i = 0; i < n; i++) {
ans += abs (p[i] - i);
}
int w = s;
for (int i = 0; i < n; i++) {
if (!vis[i]) {
l[i] = i;
r[i] = i;
c[i] = {i};
int j = i;
while (p[j] != i) {
j = p[j];
if (j == s)
w = i;
l[i] = min(l[i], j);
r[i] = max(r[i], j);
c[i].push_back(j);
vis[j] = true;
}
}
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (i != j)
dis[i][j] = N;
else
dis[i][j] = 0;
}
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
for (int x : c[j]) {
if (x >= l[i] && x <= r[i]) {
dis[i][j] = 0;
}
dis[i][j] = min(dis[i][j], abs(l[i] - x));
dis[i][j] = min(dis[i][j], abs(r[i] - x));
}
}
}
for (int k = 0; k < n; k++) {
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
dis[i][j] = min (dis[i][j], dis[i][k] + dis[k][j]);
}
}
}
int mx = 0;
for (int j = 0; j < n; j++) {
if (dis[w][j] != N && c[j].size() >= 2) {
mx = max (mx, dis[w][j]);
}
}
return ans + 2 * mx;
}
Compilation message
books.cpp:4: warning: ignoring '#pragma GCC optimze' [-Wunknown-pragmas]
4 | #pragma GCC optimze ("O3, unroll-loops")
|
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 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 |
464 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 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 |
464 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
665 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
667 ms |
4468 KB |
Output is correct |
| 21 |
Correct |
707 ms |
4444 KB |
Output is correct |
| 22 |
Correct |
711 ms |
4692 KB |
Output is correct |
| 23 |
Correct |
744 ms |
4480 KB |
Output is correct |
| 24 |
Correct |
810 ms |
4444 KB |
Output is correct |
| 25 |
Correct |
698 ms |
4484 KB |
Output is correct |
| 26 |
Correct |
751 ms |
4444 KB |
Output is correct |
| 27 |
Correct |
666 ms |
4444 KB |
Output is correct |
| 28 |
Correct |
640 ms |
4444 KB |
Output is correct |
| 29 |
Correct |
668 ms |
4440 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 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 |
464 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
665 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
667 ms |
4468 KB |
Output is correct |
| 21 |
Correct |
707 ms |
4444 KB |
Output is correct |
| 22 |
Correct |
711 ms |
4692 KB |
Output is correct |
| 23 |
Correct |
744 ms |
4480 KB |
Output is correct |
| 24 |
Correct |
810 ms |
4444 KB |
Output is correct |
| 25 |
Correct |
698 ms |
4484 KB |
Output is correct |
| 26 |
Correct |
751 ms |
4444 KB |
Output is correct |
| 27 |
Correct |
666 ms |
4444 KB |
Output is correct |
| 28 |
Correct |
640 ms |
4444 KB |
Output is correct |
| 29 |
Correct |
668 ms |
4440 KB |
Output is correct |
| 30 |
Runtime error |
86 ms |
23120 KB |
Execution killed with signal 11 |
| 31 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
644 ms |
4692 KB |
Output is correct |
| 2 |
Correct |
756 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
653 ms |
4440 KB |
Output is correct |
| 4 |
Incorrect |
681 ms |
4444 KB |
3rd lines differ - on the 1st token, expected: '2094', found: '1592' |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 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 |
464 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
665 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
667 ms |
4468 KB |
Output is correct |
| 21 |
Correct |
707 ms |
4444 KB |
Output is correct |
| 22 |
Correct |
711 ms |
4692 KB |
Output is correct |
| 23 |
Correct |
744 ms |
4480 KB |
Output is correct |
| 24 |
Correct |
810 ms |
4444 KB |
Output is correct |
| 25 |
Correct |
698 ms |
4484 KB |
Output is correct |
| 26 |
Correct |
751 ms |
4444 KB |
Output is correct |
| 27 |
Correct |
666 ms |
4444 KB |
Output is correct |
| 28 |
Correct |
640 ms |
4444 KB |
Output is correct |
| 29 |
Correct |
668 ms |
4440 KB |
Output is correct |
| 30 |
Runtime error |
86 ms |
23120 KB |
Execution killed with signal 11 |
| 31 |
Halted |
0 ms |
0 KB |
- |
