#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
#define __TIME (1.0 * clock() / CLOCKS_PER_SEC)
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
const int N = 1e6 + 10;
const int oo = 1e9, mod = 1e9 + 7;
int n, m, k, a[N + 5];
int bit[N];
void update(int x) {
for (int i = x; i < N; i += i & -i) {
bit[i]++;
}
}
int get(int x) {
int ans = 0;
for (int i = x; i > 0; i -= i & -i) {
ans += bit[i];
}
return ans;
}
void updateRange(int l, int r) {
for (int i = l; i <= r; i++) {
update(a[i]);
}
}
void process() {
cin >> n;
foru(i, 1, n) cin >> a[i];
int ans = 0, pre = 0;
for (int i = 1; i < n; i++) {
if (i < n && a[i] > a[i + 1]) {
++ans;
updateRange(pre + 1, i);
pre = i;
continue;
}
if (a[i] == a[i + 1]) continue;
if (get(a[i + 1] - 1) - get(a[pre + 1]) > 0) {
++ans;
updateRange(pre + 1, i);
pre = i;
}
}
cout << ans + 1 << endl;
cout << ans + 1;
return;
}
signed main() {
cin.tie(0)->sync_with_stdio(false);
//freopen(".inp", "r", stdin);
//freopen(".out", "w", stdout);
process();
cerr << "Time elapsed: " << __TIME << " s.\n";
return 0;
}
// dont stop
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
6488 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
6488 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
6488 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
6488 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |