#include "boxes.h"
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
ll delivery(int n, int k, int L, int p[]) {
auto dist = [&](int i, int j) -> int {
return min(abs(i - j), L - abs(i - j));
};
sort(p, p + n);
vector<ll> pref(n), suff(n + 1);
int left = 0;
bool nw = true;
for (int i = 0; i < n; i++) {
pref[i] = i > 0 ? pref[i - 1] : 0;
if (left == 0) {
left = k;
nw = true;
}
pref[i] += dist(nw ? 0 : p[i - 1], p[i]) * 2;
left--;
nw = false;
}
left = 0;
for (int i = n - 1; i >= 0; i--) {
suff[i] = suff[i + 1];
if (left == 0) {
left = k;
nw = true;
}
suff[i] += dist(nw ? 0 : p[i + 1], p[i]) * 2;
left--;
nw = false;
}
ll ans = min(pref[n - 1], suff[0]);
for (int i = 1; i < n; i++) {
ans = min(ans, pref[i - 1] + suff[i]);
}
return ans;
}
# |
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 |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
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 |
0 ms |
348 KB |
Output is correct |
8 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
9 |
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 |
0 ms |
348 KB |
Output is correct |
8 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
9 |
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 |
0 ms |
348 KB |
Output is correct |
8 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |