7117 | 2023. 12. 31 08:53:15 | MagyarKendeSZLG | Érdekes túra (70 pont) | cpp17 | Elfogadva 70/70 | 13ms | 4092 KiB |
#include <bits/stdc++.h>
#define speed cin.tie(0); ios::sync_with_stdio(0)
#define cinv(v) for (auto& e : v) cin >> e;
#define all(v) v.begin(), v.end()
#define has(s, e) s.count(e)
using namespace std;
using ll = long long;
using point = array<int, 2>;
int main() {
speed;
int N;
cin >> N;
vector<int> v(N);
cinv(v);
int l = 0, r = 1, count = 0, len = 0;
while (r < N && v[l] == v[r]) {
l++;
r++;
}
while (r < N) {
if ((r + 1 == N || v[r + 1] == v[r]) && r - l + 1 >= 2) {
len = max(len, r - l + 1);
count++;
r += 2;
l = r - 1;
while (r < N && v[l] == v[r]) {
l++;
r++;
}
} else {
r++;
}
}
cout << count << '\n' << (count ? len : -1);
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 70/70 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1828 KiB | |||
2 | Elfogadva | 0/0 | 12ms | 2876 KiB | |||
3 | Elfogadva | 3/3 | 3ms | 2128 KiB | |||
4 | Elfogadva | 3/3 | 3ms | 2340 KiB | |||
5 | Elfogadva | 3/3 | 3ms | 2544 KiB | |||
6 | Elfogadva | 3/3 | 3ms | 2756 KiB | |||
7 | Elfogadva | 3/3 | 3ms | 2836 KiB | |||
8 | Elfogadva | 3/3 | 3ms | 2836 KiB | |||
9 | Elfogadva | 3/3 | 3ms | 2840 KiB | |||
10 | Elfogadva | 3/3 | 3ms | 2848 KiB | |||
11 | Elfogadva | 3/3 | 3ms | 3068 KiB | |||
12 | Elfogadva | 3/3 | 3ms | 3072 KiB | |||
13 | Elfogadva | 4/4 | 3ms | 3072 KiB | |||
14 | Elfogadva | 4/4 | 8ms | 3224 KiB | |||
15 | Elfogadva | 4/4 | 8ms | 3348 KiB | |||
16 | Elfogadva | 4/4 | 8ms | 3348 KiB | |||
17 | Elfogadva | 4/4 | 8ms | 3348 KiB | |||
18 | Elfogadva | 4/4 | 9ms | 3692 KiB | |||
19 | Elfogadva | 4/4 | 12ms | 3956 KiB | |||
20 | Elfogadva | 4/4 | 12ms | 4068 KiB | |||
21 | Elfogadva | 4/4 | 13ms | 3964 KiB | |||
22 | Elfogadva | 4/4 | 10ms | 4092 KiB |