#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector <int> vec;
#define q are_connected
#define pb push_back
vec a, b; int p[256];
void app() {
for (int i : b) a. pb(i);
b. clear();
}
vec longest_trip(int n, int d) {
srand(114);
for (int i=0; i<n; i++) p[i] = i;
random_shuffle (p, p+n);
a = vec {p[0]}, b = vec {p[1]};
bool f = 0;
for (int _=2; _<n; _++) {
int i = p[_];
if (q({a. back()}, {i})) a. pb(i), f = 0;
else if (f || q({b. back()}, {i})) b. pb(i), f = 1;
else reverse (b. begin(), b. end()), app(), b. pb(i);
}
if (b. empty()) return a;
if (! q(a, b)) return a. size() > b. size() ? a : b;
if (! f && q({a. back()}, {b. back()})) return reverse (b. begin(), b. end()), app(), a;
if (q({a. back()}, b)) {
int l = 0, r = b. size() - 2;
while (l < r) {
int mid = l + r >> 1;
if (q({a. back()}, vec (b. begin(), b. begin() + mid + 1))) r = mid;
else l = mid + 1;
} return rotate (b. begin(), b. begin() + r, b. end()), app(), a;
} else {
int l = 0, r = a. size() - 2;
while (l < r) {
int mid = l + r >> 1;
if (q(vec (a. begin(), a. begin() + mid + 1), b)) r = mid;
else l = mid + 1;
} r ? rotate (a. begin(), a. begin() + r + 1, a. end()), void () : reverse (a. begin(), a. end());
l = 0, r = b. size() - 1;
while (l < r) {
int mid = l + r >> 1;
if (q({a. back()}, vec (b. begin(), b. begin() + mid + 1))) r = mid;
else l = mid + 1;
} return rotate (b. begin(), b. begin() + r, b. end()), app(), a;
}
}
Compilation message
longesttrip.cpp: In function 'vec longest_trip(int, int)':
longesttrip.cpp:30:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
30 | int mid = l + r >> 1;
| ~~^~~
longesttrip.cpp:37:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
37 | int mid = l + r >> 1;
| ~~^~~
longesttrip.cpp:43:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
43 | int mid = l + r >> 1;
| ~~^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
2 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
6 ms |
344 KB |
Output is correct |
| 2 |
Correct |
7 ms |
344 KB |
Output is correct |
| 3 |
Correct |
7 ms |
344 KB |
Output is correct |
| 4 |
Correct |
7 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
7 ms |
344 KB |
Output is correct |
| 2 |
Correct |
8 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
6 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
344 KB |
Output is correct |
| 6 |
Correct |
8 ms |
344 KB |
Output is correct |
| 7 |
Correct |
7 ms |
344 KB |
Output is correct |
| 8 |
Correct |
6 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
344 KB |
Output is correct |
| 10 |
Correct |
5 ms |
344 KB |
Output is correct |
| 11 |
Correct |
7 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
6 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
9 ms |
344 KB |
Output is correct |
| 2 |
Correct |
7 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
8 ms |
340 KB |
Output is correct |
| 5 |
Correct |
6 ms |
344 KB |
Output is correct |
| 6 |
Correct |
10 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 |
5 ms |
344 KB |
Output is correct |
| 11 |
Correct |
7 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
7 ms |
344 KB |
Output is correct |
| 15 |
Correct |
7 ms |
344 KB |
Output is correct |
| 16 |
Correct |
7 ms |
596 KB |
Output is correct |
| 17 |
Correct |
7 ms |
344 KB |
Output is correct |
| 18 |
Correct |
6 ms |
344 KB |
Output is correct |
| 19 |
Correct |
8 ms |
344 KB |
Output is correct |
| 20 |
Correct |
6 ms |
344 KB |
Output is correct |
| 21 |
Correct |
7 ms |
344 KB |
Output is correct |
| 22 |
Correct |
6 ms |
604 KB |
Output is correct |
| 23 |
Correct |
7 ms |
344 KB |
Output is correct |
| 24 |
Correct |
5 ms |
344 KB |
Output is correct |
| 25 |
Correct |
5 ms |
344 KB |
Output is correct |
| 26 |
Correct |
10 ms |
344 KB |
Output is correct |
| 27 |
Correct |
7 ms |
344 KB |
Output is correct |
| 28 |
Correct |
7 ms |
344 KB |
Output is correct |
| 29 |
Correct |
6 ms |
344 KB |
Output is correct |
| 30 |
Correct |
5 ms |
344 KB |
Output is correct |
| 31 |
Correct |
5 ms |
344 KB |
Output is correct |
| 32 |
Correct |
6 ms |
344 KB |
Output is correct |
| 33 |
Correct |
5 ms |
344 KB |
Output is correct |
| 34 |
Correct |
7 ms |
344 KB |
Output is correct |
| 35 |
Correct |
5 ms |
344 KB |
Output is correct |
| 36 |
Correct |
7 ms |
344 KB |
Output is correct |
| 37 |
Correct |
5 ms |
600 KB |
Output is correct |
| 38 |
Correct |
8 ms |
440 KB |
Output is correct |
| 39 |
Correct |
5 ms |
344 KB |
Output is correct |
| 40 |
Correct |
10 ms |
344 KB |
Output is correct |
| 41 |
Correct |
9 ms |
344 KB |
Output is correct |
| 42 |
Correct |
7 ms |
344 KB |
Output is correct |
| 43 |
Correct |
7 ms |
344 KB |
Output is correct |
| 44 |
Correct |
6 ms |
344 KB |
Output is correct |
| 45 |
Correct |
8 ms |
344 KB |
Output is correct |
| 46 |
Correct |
8 ms |
344 KB |
Output is correct |
| 47 |
Correct |
8 ms |
344 KB |
Output is correct |
| 48 |
Correct |
10 ms |
344 KB |
Output is correct |
| 49 |
Correct |
9 ms |
344 KB |
Output is correct |
| 50 |
Correct |
6 ms |
340 KB |
Output is correct |
| 51 |
Correct |
6 ms |
344 KB |
Output is correct |
| 52 |
Correct |
10 ms |
344 KB |
Output is correct |
| 53 |
Correct |
8 ms |
344 KB |
Output is correct |
| 54 |
Correct |
5 ms |
344 KB |
Output is correct |
| 55 |
Correct |
6 ms |
344 KB |
Output is correct |
| 56 |
Correct |
5 ms |
344 KB |
Output is correct |
| 57 |
Correct |
5 ms |
344 KB |
Output is correct |
| 58 |
Correct |
6 ms |
344 KB |
Output is correct |
| 59 |
Correct |
9 ms |
344 KB |
Output is correct |
| 60 |
Correct |
9 ms |
344 KB |
Output is correct |
| 61 |
Correct |
6 ms |
696 KB |
Output is correct |
| 62 |
Correct |
7 ms |
344 KB |
Output is correct |
| 63 |
Correct |
9 ms |
340 KB |
Output is correct |
| 64 |
Correct |
7 ms |
344 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
7 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 |
7 ms |
344 KB |
Output is correct |
| 6 |
Correct |
8 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 |
6 ms |
344 KB |
Output is correct |
| 10 |
Correct |
5 ms |
428 KB |
Output is correct |
| 11 |
Correct |
5 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
9 ms |
344 KB |
Output is correct |
| 15 |
Correct |
7 ms |
340 KB |
Output is correct |
| 16 |
Correct |
7 ms |
348 KB |
Output is correct |
| 17 |
Correct |
7 ms |
344 KB |
Output is correct |
| 18 |
Correct |
7 ms |
344 KB |
Output is correct |
| 19 |
Correct |
4 ms |
344 KB |
Output is correct |
| 20 |
Correct |
6 ms |
344 KB |
Output is correct |
| 21 |
Correct |
7 ms |
344 KB |
Output is correct |
| 22 |
Correct |
8 ms |
344 KB |
Output is correct |
| 23 |
Correct |
5 ms |
344 KB |
Output is correct |
| 24 |
Correct |
6 ms |
344 KB |
Output is correct |
| 25 |
Correct |
8 ms |
344 KB |
Output is correct |
| 26 |
Correct |
6 ms |
344 KB |
Output is correct |
| 27 |
Correct |
8 ms |
344 KB |
Output is correct |
| 28 |
Correct |
7 ms |
344 KB |
Output is correct |
| 29 |
Correct |
6 ms |
344 KB |
Output is correct |
| 30 |
Correct |
7 ms |
344 KB |
Output is correct |
| 31 |
Correct |
5 ms |
344 KB |
Output is correct |
| 32 |
Correct |
8 ms |
344 KB |
Output is correct |
| 33 |
Correct |
9 ms |
344 KB |
Output is correct |
| 34 |
Correct |
8 ms |
344 KB |
Output is correct |
| 35 |
Correct |
11 ms |
344 KB |
Output is correct |
| 36 |
Correct |
8 ms |
344 KB |
Output is correct |
| 37 |
Correct |
6 ms |
344 KB |
Output is correct |
| 38 |
Correct |
7 ms |
344 KB |
Output is correct |
| 39 |
Correct |
7 ms |
600 KB |
Output is correct |
| 40 |
Correct |
4 ms |
344 KB |
Output is correct |
| 41 |
Correct |
6 ms |
344 KB |
Output is correct |
| 42 |
Correct |
6 ms |
344 KB |
Output is correct |
| 43 |
Correct |
6 ms |
344 KB |
Output is correct |
| 44 |
Correct |
8 ms |
344 KB |
Output is correct |
| 45 |
Correct |
5 ms |
444 KB |
Output is correct |
| 46 |
Correct |
6 ms |
600 KB |
Output is correct |
| 47 |
Correct |
5 ms |
344 KB |
Output is correct |
| 48 |
Correct |
6 ms |
344 KB |
Output is correct |
| 49 |
Correct |
7 ms |
600 KB |
Output is correct |
| 50 |
Correct |
7 ms |
444 KB |
Output is correct |
| 51 |
Correct |
6 ms |
344 KB |
Output is correct |
| 52 |
Correct |
7 ms |
344 KB |
Output is correct |
| 53 |
Correct |
8 ms |
344 KB |
Output is correct |
| 54 |
Correct |
7 ms |
596 KB |
Output is correct |
| 55 |
Correct |
7 ms |
344 KB |
Output is correct |
| 56 |
Correct |
7 ms |
344 KB |
Output is correct |
| 57 |
Correct |
5 ms |
344 KB |
Output is correct |
| 58 |
Correct |
8 ms |
344 KB |
Output is correct |
| 59 |
Correct |
7 ms |
344 KB |
Output is correct |
| 60 |
Correct |
7 ms |
344 KB |
Output is correct |
| 61 |
Correct |
8 ms |
344 KB |
Output is correct |
| 62 |
Correct |
7 ms |
600 KB |
Output is correct |
| 63 |
Correct |
6 ms |
344 KB |
Output is correct |
| 64 |
Correct |
6 ms |
344 KB |
Output is correct |
| 65 |
Correct |
6 ms |
600 KB |
Output is correct |
| 66 |
Correct |
9 ms |
592 KB |
Output is correct |
| 67 |
Correct |
11 ms |
436 KB |
Output is correct |
| 68 |
Correct |
7 ms |
344 KB |
Output is correct |
| 69 |
Correct |
9 ms |
344 KB |
Output is correct |
| 70 |
Correct |
9 ms |
600 KB |
Output is correct |
| 71 |
Correct |
6 ms |
344 KB |
Output is correct |
| 72 |
Correct |
8 ms |
344 KB |
Output is correct |
| 73 |
Correct |
8 ms |
600 KB |
Output is correct |
| 74 |
Correct |
7 ms |
344 KB |
Output is correct |
| 75 |
Correct |
5 ms |
344 KB |
Output is correct |
| 76 |
Correct |
11 ms |
344 KB |
Output is correct |
| 77 |
Correct |
7 ms |
344 KB |
Output is correct |
| 78 |
Correct |
6 ms |
428 KB |
Output is correct |
| 79 |
Correct |
7 ms |
344 KB |
Output is correct |
| 80 |
Correct |
7 ms |
344 KB |
Output is correct |
| 81 |
Correct |
5 ms |
344 KB |
Output is correct |
| 82 |
Correct |
9 ms |
344 KB |
Output is correct |
