#include <bits//stdc++.h>
using namespace std;
#define ll long long
#define iloop(m, h) for (auto i = m; i != h; i+=(m<h?1:-1))
#define jloop(m, h) for (auto j = m; j != h; j+=(m<h?1:-1))
#define kloop(m, h) for (auto k = m; k != h; k+=(m<h?1:-1))
#define lloop(m, h) for (auto l = m; l != h; l+=(m<h?1:-1))
#define iloop_(m, h, g) for (auto i = m; i != h; i+=g)
#define jloop_(m, h, g) for (auto j = m; j != h; j+=g)
#define kloop_(m, h, g) for (auto k = m; k != h; k+=g)
#define lloop_(m, h, g) for (auto l = m; l != h; l+=g)
#define getchar_unlocked _getchar_nolock // comment before submission
#define pll pair<ll,ll>
#define plll pair<ll, pll>
#define pllll pair<pll, pll>
#define vll vector<ll>
#define qll queue<ll>
#define dll deque<ll>
#define pqll priority_queue<ll>
#define gll greater<ll>
#define INF 1000000000000000
#define MOD1 1000000007
#define MOD2 998244353
#define MOD3 1000000009
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll n;
cin >> n;
ll a[n];
iloop(0, n) cin >> a[i];
ll prev = -1, cnt = 0;
set<ll> active;
active.insert(INF);
vector<ll> prep;
iloop(0, n) {
if (prev == -1) {
cnt++;
prep = {};
}
else if (a[i] < prev || (*active.upper_bound(prep[0]) < a[i])) {
cnt++;
prep = {};
}
active.insert(a[i]);
prev = a[i];
prep.push_back(a[i]);
}
cout << cnt;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |