#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ld long double
#define f first
#define s second
#define mp make_pair
const ll maxn = 1e6 + 100, maxm = 3e5 + 1, maxk = 61;
const ll inf = 1000000000, mod = inf + 7, mod2 = 998244353;
const ll pa = 31, block = 400;
using namespace std;
int n;
int a[maxn], f[maxn];
void upd(int pos, int val){
for (int i = pos; i <= 1e6; i |= (i + 1)){
f[i] += val;
}
}
int get(int pos){
int res = 0;
for (int i = pos; i >= 1; i = (i & (i + 1)) - 1){
res += f[i];
}
return res;
}
int main(){
cin >> n;
for (int i = 1; i <= n; ++i){
cin >> a[i];
}
int pos = 1, ans = 0;
vector<int> v;
v.pb(0), v.pb(inf);
while (pos <= n){
int mx = 0, mn = inf, answ = pos;;
for (int j = pos; j <= n; ++j){
if ((j == pos) || (j - 1 >= pos && a[j] >= a[j - 1])){
mx = max(mx, a[j]);
mn = min(mn, a[j]);
int range = get(mx - 1) - get(mn);
range = max(range, 0);
if (range == 0){
answ = j;
}
else{
break;
}
}
else{
break;
}
}
ans++;
// cout << pos << " " << answ << '\n';
for (int j = pos; j <= answ; ++j){
upd(a[j], 1);
}
pos = answ + 1;
}
cout << ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
0 ms |
332 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
0 ms |
332 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
460 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
460 KB |
Output is correct |
| 26 |
Correct |
1 ms |
460 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
0 ms |
332 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
460 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
460 KB |
Output is correct |
| 26 |
Correct |
1 ms |
460 KB |
Output is correct |
| 27 |
Correct |
1 ms |
332 KB |
Output is correct |
| 28 |
Correct |
0 ms |
332 KB |
Output is correct |
| 29 |
Correct |
0 ms |
332 KB |
Output is correct |
| 30 |
Correct |
0 ms |
332 KB |
Output is correct |
| 31 |
Correct |
1 ms |
332 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
1 ms |
1612 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1740 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
0 ms |
332 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
460 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
460 KB |
Output is correct |
| 26 |
Correct |
1 ms |
460 KB |
Output is correct |
| 27 |
Correct |
1 ms |
332 KB |
Output is correct |
| 28 |
Correct |
0 ms |
332 KB |
Output is correct |
| 29 |
Correct |
0 ms |
332 KB |
Output is correct |
| 30 |
Correct |
0 ms |
332 KB |
Output is correct |
| 31 |
Correct |
1 ms |
332 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
1 ms |
1612 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1740 KB |
Output is correct |
| 39 |
Correct |
156 ms |
2216 KB |
Output is correct |
| 40 |
Correct |
266 ms |
8796 KB |
Output is correct |
| 41 |
Correct |
129 ms |
4388 KB |
Output is correct |
| 42 |
Correct |
118 ms |
4144 KB |
Output is correct |
| 43 |
Correct |
89 ms |
3188 KB |
Output is correct |
| 44 |
Correct |
321 ms |
11044 KB |
Output is correct |
| 45 |
Correct |
329 ms |
11112 KB |
Output is correct |
| 46 |
Correct |
332 ms |
11172 KB |
Output is correct |
| 47 |
Correct |
313 ms |
11008 KB |
Output is correct |
| 48 |
Correct |
317 ms |
11204 KB |
Output is correct |
| 49 |
Correct |
339 ms |
14916 KB |
Output is correct |
| 50 |
Correct |
345 ms |
14876 KB |
Output is correct |
| 51 |
Correct |
342 ms |
14824 KB |
Output is correct |
| 52 |
Correct |
346 ms |
14788 KB |
Output is correct |
| 53 |
Correct |
343 ms |
14844 KB |
Output is correct |
| 54 |
Correct |
339 ms |
14768 KB |
Output is correct |
| 55 |
Correct |
359 ms |
14808 KB |
Output is correct |
| 56 |
Correct |
350 ms |
14772 KB |
Output is correct |
| 57 |
Correct |
362 ms |
14836 KB |
Output is correct |
| 58 |
Correct |
352 ms |
14796 KB |
Output is correct |
| 59 |
Correct |
353 ms |
14768 KB |
Output is correct |
| 60 |
Correct |
365 ms |
14892 KB |
Output is correct |
| 61 |
Correct |
356 ms |
14736 KB |
Output is correct |
| 62 |
Correct |
353 ms |
14844 KB |
Output is correct |
