#include "bits/stdc++.h"
using namespace std;
#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif
const int N = 1e6 + 6;
int a[N];
int seg[N * 2];
int tt[N];
void upd(int i, int val) {
tt[i] = val;
}
int get(int l, int r) {
int ret = 0;
for (int i = l; i <= r; ++i) {
ret = max(ret, tt[i]);
}
return ret;
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
for (int i = 0; i < n; ++i) {
cin >> a[i];
}
int ans = 1;
vector<int> v;
for (int i = 0; i < n; ++i) {
if (v.empty()) {
v.push_back(a[i]);
upd(a[i], a[i]);
} else {
if (v.back() > a[i]) {
ans++;
v.clear();
v.push_back(a[i]);
upd(a[i], a[i]);
} else {
if (get(v[0], a[i]) > a[i]) {
ans++;
v.clear();
v.push_back(a[i]);
upd(a[i], a[i]);
} else {
v.push_back(a[i]);
upd(v[0], a[i]);
}
}
}
}
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Incorrect |
1 ms |
2392 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Incorrect |
1 ms |
2392 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Incorrect |
1 ms |
2392 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Incorrect |
1 ms |
2392 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |