/* upsolved using some ideas from EmeraldBlock */
#include "longesttrip.h"
#include <vector>
using namespace std;
typedef vector<int> vi;
const int N = 256;
int qu1[N], qu2[N], cnt1, cnt2;
vi longest_trip(int n, int d) {
cnt1 = cnt2 = 0;
for (int i = 0; i < n; i++)
if (cnt1 == 0)
qu1[cnt1++] = i;
else if (cnt2 == 0)
qu2[cnt2++] = i;
else if (are_connected({ qu1[cnt1 - 1] }, { i }))
qu1[cnt1++] = i;
else if (i + 1 == n) {
if (!are_connected({ qu2[cnt2 - 1] }, { i }))
while (cnt2)
qu1[cnt1++] = qu2[--cnt2];
qu2[cnt2++] = i;
} else {
if (are_connected({ i }, { i + 1 })) {
if (!are_connected({ qu2[cnt2 - 1] }, { i }))
while (cnt2)
qu1[cnt1++] = qu2[--cnt2];
qu2[cnt2++] = i, qu2[cnt2++] = i + 1;
} else {
qu1[cnt1++] = i + 1;
if (!are_connected({ qu2[cnt2 - 1] }, { i }))
while (cnt2)
qu1[cnt1++] = qu2[--cnt2];
qu2[cnt2++] = i;
}
i++;
}
vi uu, vv, ww;
if (cnt2 == 0)
for (int h = 0; h < cnt1; h++)
ww.push_back(qu1[h]);
else if (cnt1 == 0)
for (int h = 0; h < cnt2; h++)
ww.push_back(qu2[h]);
else {
vi uu, vv;
int lower = 0, upper = cnt1 + 1;
while (upper - lower > 1) {
int k = (lower + upper) / 2;
uu.clear();
for (int h = 0; h < k; h++)
uu.push_back(qu1[(h - 1 + cnt1) % cnt1]);
vv.clear();
for (int h = 0; h < cnt2; h++)
vv.push_back(qu2[h]);
if (are_connected(uu, vv))
upper = k;
else
lower = k;
}
int h1 = lower;
if (h1 == cnt1) {
if (cnt1 > cnt2)
for (int h = 0; h < cnt1; h++)
ww.push_back(qu1[h]);
else
for (int h = 0; h < cnt2; h++)
ww.push_back(qu2[h]);
} else {
lower = 0, upper = cnt2;
while (upper - lower > 1) {
int k = (lower + upper) / 2;
uu.clear();
uu.push_back(qu1[(h1 - 1 + cnt1) % cnt1]);
vv.clear();
for (int h = 0; h < k; h++)
vv.push_back(qu2[(h - 1 + cnt2) % cnt2]);
if (are_connected(uu, vv))
upper = k;
else
lower = k;
}
int h2 = lower;
if (h1 == 1)
for (int h = cnt1 - 1; h >= 0; h--)
ww.push_back(qu1[h]);
else
for (int h = 0; h < cnt1; h++)
ww.push_back(qu1[(h1 + h) % cnt1]);
if (h2 == 1)
for (int h = 0; h < cnt2; h++)
ww.push_back(qu2[h]);
else
for (int h = cnt2 - 1; h >= 0; h--)
ww.push_back(qu2[(h2 + h) % cnt2]);
}
}
return ww;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
428 KB |
Output is correct |
| 6 |
Correct |
7 ms |
344 KB |
Output is correct |
| 7 |
Correct |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
344 KB |
Output is correct |
| 10 |
Correct |
5 ms |
600 KB |
Output is correct |
| 11 |
Correct |
5 ms |
600 KB |
Output is correct |
| 12 |
Correct |
4 ms |
424 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
344 KB |
Output is correct |
| 3 |
Correct |
7 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
420 KB |
Output is correct |
| 6 |
Correct |
8 ms |
344 KB |
Output is correct |
| 7 |
Correct |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
344 KB |
Output is correct |
| 10 |
Correct |
4 ms |
428 KB |
Output is correct |
| 11 |
Correct |
5 ms |
600 KB |
Output is correct |
| 12 |
Correct |
4 ms |
424 KB |
Output is correct |
| 13 |
Correct |
4 ms |
600 KB |
Output is correct |
| 14 |
Correct |
10 ms |
344 KB |
Output is correct |
| 15 |
Correct |
7 ms |
344 KB |
Output is correct |
| 16 |
Correct |
8 ms |
344 KB |
Output is correct |
| 17 |
Correct |
7 ms |
344 KB |
Output is correct |
| 18 |
Correct |
5 ms |
344 KB |
Output is correct |
| 19 |
Correct |
5 ms |
428 KB |
Output is correct |
| 20 |
Correct |
5 ms |
344 KB |
Output is correct |
| 21 |
Correct |
5 ms |
428 KB |
Output is correct |
| 22 |
Correct |
5 ms |
856 KB |
Output is correct |
| 23 |
Correct |
5 ms |
600 KB |
Output is correct |
| 24 |
Correct |
5 ms |
424 KB |
Output is correct |
| 25 |
Correct |
6 ms |
344 KB |
Output is correct |
| 26 |
Correct |
7 ms |
344 KB |
Output is correct |
| 27 |
Correct |
8 ms |
344 KB |
Output is correct |
| 28 |
Correct |
6 ms |
344 KB |
Output is correct |
| 29 |
Correct |
7 ms |
344 KB |
Output is correct |
| 30 |
Correct |
5 ms |
344 KB |
Output is correct |
| 31 |
Correct |
6 ms |
344 KB |
Output is correct |
| 32 |
Correct |
7 ms |
344 KB |
Output is correct |
| 33 |
Correct |
5 ms |
344 KB |
Output is correct |
| 34 |
Correct |
5 ms |
852 KB |
Output is correct |
| 35 |
Correct |
7 ms |
344 KB |
Output is correct |
| 36 |
Correct |
5 ms |
428 KB |
Output is correct |
| 37 |
Correct |
5 ms |
428 KB |
Output is correct |
| 38 |
Correct |
5 ms |
432 KB |
Output is correct |
| 39 |
Correct |
5 ms |
436 KB |
Output is correct |
| 40 |
Correct |
6 ms |
432 KB |
Output is correct |
| 41 |
Correct |
6 ms |
424 KB |
Output is correct |
| 42 |
Correct |
7 ms |
420 KB |
Output is correct |
| 43 |
Correct |
6 ms |
432 KB |
Output is correct |
| 44 |
Correct |
6 ms |
604 KB |
Output is correct |
| 45 |
Correct |
7 ms |
344 KB |
Output is correct |
| 46 |
Correct |
7 ms |
344 KB |
Output is correct |
| 47 |
Correct |
8 ms |
344 KB |
Output is correct |
| 48 |
Correct |
6 ms |
344 KB |
Output is correct |
| 49 |
Correct |
6 ms |
344 KB |
Output is correct |
| 50 |
Correct |
5 ms |
428 KB |
Output is correct |
| 51 |
Correct |
6 ms |
424 KB |
Output is correct |
| 52 |
Correct |
7 ms |
344 KB |
Output is correct |
| 53 |
Correct |
4 ms |
344 KB |
Output is correct |
| 54 |
Correct |
5 ms |
600 KB |
Output is correct |
| 55 |
Correct |
5 ms |
344 KB |
Output is correct |
| 56 |
Correct |
5 ms |
432 KB |
Output is correct |
| 57 |
Correct |
5 ms |
692 KB |
Output is correct |
| 58 |
Correct |
6 ms |
692 KB |
Output is correct |
| 59 |
Correct |
6 ms |
428 KB |
Output is correct |
| 60 |
Correct |
6 ms |
440 KB |
Output is correct |
| 61 |
Correct |
6 ms |
608 KB |
Output is correct |
| 62 |
Correct |
7 ms |
428 KB |
Output is correct |
| 63 |
Correct |
6 ms |
432 KB |
Output is correct |
| 64 |
Correct |
6 ms |
432 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
344 KB |
Output is correct |
| 2 |
Correct |
7 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
424 KB |
Output is correct |
| 6 |
Correct |
7 ms |
344 KB |
Output is correct |
| 7 |
Correct |
9 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
344 KB |
Output is correct |
| 10 |
Correct |
4 ms |
432 KB |
Output is correct |
| 11 |
Correct |
5 ms |
600 KB |
Output is correct |
| 12 |
Correct |
6 ms |
428 KB |
Output is correct |
| 13 |
Correct |
5 ms |
600 KB |
Output is correct |
| 14 |
Correct |
7 ms |
344 KB |
Output is correct |
| 15 |
Correct |
7 ms |
344 KB |
Output is correct |
| 16 |
Correct |
11 ms |
344 KB |
Output is correct |
| 17 |
Correct |
6 ms |
344 KB |
Output is correct |
| 18 |
Correct |
8 ms |
344 KB |
Output is correct |
| 19 |
Correct |
5 ms |
600 KB |
Output is correct |
| 20 |
Correct |
5 ms |
424 KB |
Output is correct |
| 21 |
Correct |
7 ms |
596 KB |
Output is correct |
| 22 |
Correct |
7 ms |
344 KB |
Output is correct |
| 23 |
Correct |
6 ms |
344 KB |
Output is correct |
| 24 |
Correct |
8 ms |
344 KB |
Output is correct |
| 25 |
Correct |
8 ms |
344 KB |
Output is correct |
| 26 |
Correct |
5 ms |
344 KB |
Output is correct |
| 27 |
Correct |
6 ms |
340 KB |
Output is correct |
| 28 |
Correct |
6 ms |
340 KB |
Output is correct |
| 29 |
Correct |
5 ms |
344 KB |
Output is correct |
| 30 |
Correct |
5 ms |
344 KB |
Output is correct |
| 31 |
Correct |
6 ms |
600 KB |
Output is correct |
| 32 |
Correct |
7 ms |
344 KB |
Output is correct |
| 33 |
Correct |
7 ms |
344 KB |
Output is correct |
| 34 |
Correct |
6 ms |
344 KB |
Output is correct |
| 35 |
Correct |
8 ms |
344 KB |
Output is correct |
| 36 |
Correct |
8 ms |
596 KB |
Output is correct |
| 37 |
Correct |
5 ms |
428 KB |
Output is correct |
| 38 |
Correct |
6 ms |
428 KB |
Output is correct |
| 39 |
Correct |
6 ms |
344 KB |
Output is correct |
| 40 |
Correct |
5 ms |
344 KB |
Output is correct |
| 41 |
Correct |
5 ms |
600 KB |
Output is correct |
| 42 |
Correct |
5 ms |
344 KB |
Output is correct |
| 43 |
Correct |
5 ms |
428 KB |
Output is correct |
| 44 |
Correct |
6 ms |
600 KB |
Output is correct |
| 45 |
Correct |
4 ms |
428 KB |
Output is correct |
| 46 |
Correct |
5 ms |
600 KB |
Output is correct |
| 47 |
Correct |
5 ms |
604 KB |
Output is correct |
| 48 |
Correct |
5 ms |
604 KB |
Output is correct |
| 49 |
Correct |
5 ms |
604 KB |
Output is correct |
| 50 |
Correct |
5 ms |
428 KB |
Output is correct |
| 51 |
Correct |
6 ms |
604 KB |
Output is correct |
| 52 |
Correct |
6 ms |
432 KB |
Output is correct |
| 53 |
Correct |
6 ms |
600 KB |
Output is correct |
| 54 |
Correct |
8 ms |
604 KB |
Output is correct |
| 55 |
Correct |
7 ms |
612 KB |
Output is correct |
| 56 |
Correct |
6 ms |
604 KB |
Output is correct |
| 57 |
Correct |
7 ms |
428 KB |
Output is correct |
| 58 |
Correct |
6 ms |
428 KB |
Output is correct |
| 59 |
Correct |
6 ms |
436 KB |
Output is correct |
| 60 |
Correct |
7 ms |
600 KB |
Output is correct |
| 61 |
Correct |
7 ms |
600 KB |
Output is correct |
| 62 |
Correct |
5 ms |
436 KB |
Output is correct |
| 63 |
Correct |
6 ms |
600 KB |
Output is correct |
| 64 |
Correct |
6 ms |
608 KB |
Output is correct |
| 65 |
Correct |
7 ms |
608 KB |
Output is correct |
| 66 |
Correct |
8 ms |
688 KB |
Output is correct |
| 67 |
Correct |
6 ms |
428 KB |
Output is correct |
| 68 |
Correct |
7 ms |
684 KB |
Output is correct |
| 69 |
Correct |
6 ms |
692 KB |
Output is correct |
| 70 |
Correct |
6 ms |
604 KB |
Output is correct |
| 71 |
Correct |
6 ms |
936 KB |
Output is correct |
| 72 |
Correct |
5 ms |
688 KB |
Output is correct |
| 73 |
Correct |
6 ms |
440 KB |
Output is correct |
| 74 |
Correct |
6 ms |
608 KB |
Output is correct |
| 75 |
Correct |
7 ms |
612 KB |
Output is correct |
| 76 |
Correct |
7 ms |
680 KB |
Output is correct |
| 77 |
Correct |
5 ms |
608 KB |
Output is correct |
| 78 |
Correct |
6 ms |
600 KB |
Output is correct |
| 79 |
Correct |
6 ms |
604 KB |
Output is correct |
| 80 |
Correct |
7 ms |
860 KB |
Output is correct |
| 81 |
Correct |
6 ms |
424 KB |
Output is correct |
| 82 |
Correct |
8 ms |
612 KB |
Output is correct |
