#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
const int MAXN=200005;
int MAX,a[MAXN],bit[MAXN];
map<int,int> mp;
int query(int x){
int ret=0;
for(int i=x;i>0;i-=(i&-i)){
ret=max(ret,bit[i]);
}
return ret;
}
void update(int x,int v){
for(int i=x;i<=MAX;i+=(i&(-i))){
bit[i]=max(bit[i],v);
}
}
int main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
int n,m;
cin >> n >> m;
for(int i=1;i<=n;i++){
cin >> a[i];
a[i]-=(i*m);
}
vector<pii> v;
for(int i=0;i<=n;i++){
if(a[i]>0)continue;
v.push_back({-a[i],i});
}
for(auto isi : v)mp[isi.first];
for(map<int,int>::iterator it=mp.begin();it!=mp.end();++it){
MAX++;
mp[it->first]=MAX;
}
int ans=0;
for(auto isi : v){
int dp=query(mp[isi.first])+1;
update(mp[isi.first],dp);
ans=max(ans,dp);
}
cout << n+1-ans << endl;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
0 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
384 KB |
Output is correct |
| 7 |
Correct |
0 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
0 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
384 KB |
Output is correct |
| 11 |
Correct |
0 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
0 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| 15 |
Correct |
0 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
640 KB |
Output is correct |
| 5 |
Correct |
2 ms |
640 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
3 ms |
640 KB |
Output is correct |
| 8 |
Correct |
2 ms |
640 KB |
Output is correct |
| 9 |
Correct |
3 ms |
640 KB |
Output is correct |
| 10 |
Correct |
2 ms |
640 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
512 KB |
Output is correct |
| 13 |
Correct |
2 ms |
640 KB |
Output is correct |
| 14 |
Correct |
2 ms |
640 KB |
Output is correct |
| 15 |
Correct |
3 ms |
512 KB |
Output is correct |
| 16 |
Correct |
3 ms |
640 KB |
Output is correct |
| 17 |
Correct |
2 ms |
640 KB |
Output is correct |
| 18 |
Correct |
0 ms |
384 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
384 KB |
Output is correct |
| 21 |
Correct |
0 ms |
384 KB |
Output is correct |
| 22 |
Correct |
0 ms |
384 KB |
Output is correct |
| 23 |
Correct |
0 ms |
384 KB |
Output is correct |
| 24 |
Correct |
0 ms |
384 KB |
Output is correct |
| 25 |
Correct |
0 ms |
384 KB |
Output is correct |
| 26 |
Correct |
0 ms |
384 KB |
Output is correct |
| 27 |
Correct |
0 ms |
384 KB |
Output is correct |
| 28 |
Correct |
0 ms |
384 KB |
Output is correct |
| 29 |
Correct |
0 ms |
384 KB |
Output is correct |
| 30 |
Correct |
0 ms |
384 KB |
Output is correct |
| 31 |
Correct |
0 ms |
384 KB |
Output is correct |
| 32 |
Correct |
0 ms |
384 KB |
Output is correct |
| 33 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
3 ms |
640 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
512 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
3 ms |
640 KB |
Output is correct |
| 10 |
Correct |
3 ms |
640 KB |
Output is correct |
| 11 |
Correct |
0 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
0 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
640 KB |
Output is correct |
| 15 |
Correct |
2 ms |
640 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
640 KB |
Output is correct |
| 18 |
Correct |
2 ms |
640 KB |
Output is correct |
| 19 |
Correct |
3 ms |
640 KB |
Output is correct |
| 20 |
Correct |
2 ms |
640 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
512 KB |
Output is correct |
| 23 |
Correct |
2 ms |
640 KB |
Output is correct |
| 24 |
Correct |
2 ms |
640 KB |
Output is correct |
| 25 |
Correct |
3 ms |
512 KB |
Output is correct |
| 26 |
Correct |
3 ms |
640 KB |
Output is correct |
| 27 |
Correct |
2 ms |
640 KB |
Output is correct |
| 28 |
Correct |
0 ms |
384 KB |
Output is correct |
| 29 |
Correct |
0 ms |
384 KB |
Output is correct |
| 30 |
Correct |
0 ms |
384 KB |
Output is correct |
| 31 |
Correct |
0 ms |
384 KB |
Output is correct |
| 32 |
Correct |
0 ms |
384 KB |
Output is correct |
| 33 |
Correct |
0 ms |
384 KB |
Output is correct |
| 34 |
Correct |
0 ms |
384 KB |
Output is correct |
| 35 |
Correct |
0 ms |
384 KB |
Output is correct |
| 36 |
Correct |
0 ms |
384 KB |
Output is correct |
| 37 |
Correct |
0 ms |
384 KB |
Output is correct |
| 38 |
Correct |
0 ms |
384 KB |
Output is correct |
| 39 |
Correct |
0 ms |
384 KB |
Output is correct |
| 40 |
Correct |
0 ms |
384 KB |
Output is correct |
| 41 |
Correct |
0 ms |
384 KB |
Output is correct |
| 42 |
Correct |
0 ms |
384 KB |
Output is correct |
| 43 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
3 ms |
640 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
512 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
3 ms |
640 KB |
Output is correct |
| 10 |
Correct |
3 ms |
640 KB |
Output is correct |
| 11 |
Correct |
0 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
0 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
640 KB |
Output is correct |
| 15 |
Correct |
2 ms |
640 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
640 KB |
Output is correct |
| 18 |
Correct |
2 ms |
640 KB |
Output is correct |
| 19 |
Correct |
3 ms |
640 KB |
Output is correct |
| 20 |
Correct |
2 ms |
640 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
512 KB |
Output is correct |
| 23 |
Correct |
2 ms |
640 KB |
Output is correct |
| 24 |
Correct |
2 ms |
640 KB |
Output is correct |
| 25 |
Correct |
3 ms |
512 KB |
Output is correct |
| 26 |
Correct |
3 ms |
640 KB |
Output is correct |
| 27 |
Correct |
2 ms |
640 KB |
Output is correct |
| 28 |
Correct |
127 ms |
13032 KB |
Output is correct |
| 29 |
Correct |
27 ms |
1144 KB |
Output is correct |
| 30 |
Correct |
111 ms |
7024 KB |
Output is correct |
| 31 |
Correct |
123 ms |
7020 KB |
Output is correct |
| 32 |
Correct |
100 ms |
12648 KB |
Output is correct |
| 33 |
Correct |
101 ms |
12904 KB |
Output is correct |
| 34 |
Correct |
40 ms |
3312 KB |
Output is correct |
| 35 |
Correct |
33 ms |
3312 KB |
Output is correct |
| 36 |
Correct |
86 ms |
7788 KB |
Output is correct |
| 37 |
Correct |
21 ms |
1152 KB |
Output is correct |
| 38 |
Correct |
103 ms |
12908 KB |
Output is correct |
| 39 |
Correct |
108 ms |
12720 KB |
Output is correct |
| 40 |
Correct |
0 ms |
384 KB |
Output is correct |
| 41 |
Correct |
0 ms |
384 KB |
Output is correct |
| 42 |
Correct |
0 ms |
384 KB |
Output is correct |
| 43 |
Correct |
0 ms |
384 KB |
Output is correct |
| 44 |
Correct |
0 ms |
384 KB |
Output is correct |
| 45 |
Correct |
0 ms |
384 KB |
Output is correct |
| 46 |
Correct |
0 ms |
384 KB |
Output is correct |
| 47 |
Correct |
0 ms |
384 KB |
Output is correct |
| 48 |
Correct |
0 ms |
384 KB |
Output is correct |
| 49 |
Correct |
0 ms |
384 KB |
Output is correct |
| 50 |
Correct |
0 ms |
384 KB |
Output is correct |
| 51 |
Correct |
0 ms |
384 KB |
Output is correct |
| 52 |
Correct |
0 ms |
384 KB |
Output is correct |
| 53 |
Correct |
0 ms |
384 KB |
Output is correct |
| 54 |
Correct |
0 ms |
384 KB |
Output is correct |
| 55 |
Correct |
1 ms |
384 KB |
Output is correct |
