mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-27 15:16:28 +00:00
799. 最长连续不重复子序列
https://www.acwing.com/problem/content/submission/code_detail/10688919/
This commit is contained in:
parent
1aed9faffb
commit
7ce65aead5
21
AcWing/799/799.cpp
Normal file
21
AcWing/799/799.cpp
Normal file
@ -0,0 +1,21 @@
|
||||
#include <iostream>
|
||||
|
||||
using std::cin;
|
||||
using std::cout;
|
||||
#define endl '\n'
|
||||
|
||||
int n, a[100005], s[100005], ans;
|
||||
|
||||
int main() {
|
||||
cin >> n;
|
||||
for (int i = 1; i <= n; i++) {
|
||||
cin >> a[i];
|
||||
}
|
||||
for (int i = 1, j = 1; i <= n; i++) {
|
||||
s[a[i]]++;
|
||||
while (s[a[i]] > 1) s[a[j++]]--;
|
||||
ans = std::max(ans, i - j + 1);
|
||||
}
|
||||
cout << ans << endl;
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue
Block a user