# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
769958 |
2023-06-30T15:09:16 Z |
raysh07 |
None (JOI14_ho_t1) |
C++17 |
|
1 ms |
212 KB |
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
#define f first
#define s second
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());
void Solve()
{
int n; cin >> n;
vector <int> a(n);
for (auto &x : a) cin >> x;
vector <int> b;
int cnt = 0;
for (int i = 0; i < n; i++){
cnt++;
if (i == n - 1 || a[i] == a[i + 1]){
b.push_back(cnt);
cnt = 0;
}
}
// cout << b.size() << "\n";
int ans = b[0];
for (int i = 0; i < (int)b.size() - 1; i++){
// cout << i << " ";
ans = max(ans, b[i] + b[i + 1]);
}
// cout << "\n";
for (int i = 0; i < (int)b.size() - 2; i++){
/// cout << i << " ";
ans = max(ans, b[i] + b[i + 1] + b[i + 2]);
}
// cout << "\n";
cout << ans << "\n";
}
int32_t main()
{
auto begin = std::chrono::high_resolution_clock::now();
ios_base::sync_with_stdio(0);
cin.tie(0);
int t = 1;
// cin >> t;
for(int i = 1; i <= t; i++)
{
//cout << "Case #" << i << ": ";
Solve();
}
auto end = std::chrono::high_resolution_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |