oj.uz

답안 #975287

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
975287 2024-05-04T17:04:05 Z LCJLY Financial Report (JOI21_financial) C++14
19 / 100
 2057 ms 68032 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define int long long 
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<long long,long long>pii;
typedef array<int,5>pi2;
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
 
int arr[300005];
int n,k;

inline pi2 combine(pi2 a, pi2 b){
	pi2 temp;
	temp[0]=max(a[0],b[0]);
	temp[1]=a[1];
	if(a[3]!=0){
		temp[1]=max(temp[1],a[3]+b[1]);
	}
	temp[2]=b[2];
	if(b[3]!=0){
		temp[2]=max(temp[2],b[3]+a[2]);
	}
	if(a[3]==0||b[3]==0) temp[3]=0;
	else temp[3]=a[3]+b[3];
	temp[4]=max({a[4],b[4],a[2]+b[1]});
	return temp;
}

struct node{
	int s,e,m;
	node *l,*r;
	pi2 v;
	
	node(int ss, int ee):s(ss),e(ee),m((s+e)>>1){
		v={0,0,0,0,0};
		if(s!=e){
			l=new node(s,m);
			r=new node(m+1,e);
		}
	}
	
	void upd(int x, int y){
		if(s==e){
			v[0]=y;
			v[1]=v[2]=v[3]=v[4]=1;
			return;
		}
		if(x<=m) l->upd(x,y);
		else r->upd(x,y);
		v=combine(l->v,r->v);
	}
	
	pi2 query(int x, int y){
		if(x<=s&&y>=e){
			return v;
		}
		if(y<=m) return l->query(x,y);
		if(x>m) return r->query(x,y);
		return combine(l->query(x,m),r->query(m+1,y));
	}
};

bool cmp(const pii a, const pii b){
	if(a.first==b.first){
		return a.second < b.second;
	}
	return a.first > b.first;
}
 
void solve(){
	cin >> n >> k;
	vector<pii>v;
	for(int x=1;x<=n;x++){
		cin >> arr[x];
		v.push_back({arr[x],x});
	}
	sort(v.begin(),v.end(),cmp);
	
	node st(0,n+5);
		
	int dp[n+5];
	memset(dp,0,sizeof(dp));
	int ans=0;
	for(int x=0;x<n;x++){
		int index=v[x].second;
		//show(index,index);
		int l=index+1;
		int r=n;
		int best=-1;
		int mid;
		while(l<=r){
			mid=(l+r)/2;
			pi2 hold=st.query(index,mid);
			if(hold[4]<=k){
				best=mid;
				l=mid+1;
			}
			else r=mid-1;
		}
		dp[index]=1;
		if(best!=-1){
			dp[index]=max(dp[index],st.query(index,best)[0]+1);
		}
		ans=max(ans,dp[index]);
		//show2(dp[index],dp[index],best,best);
		st.upd(index,dp[index]);
	}
	cout << ans;
}
 
int32_t main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int t=1;
	//freopen("in.txt","r",stdin);
	//cin >> t;
	while(t--){
		solve();
	}
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Incorrect 1 ms 348 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Incorrect 1 ms 348 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1333 ms 67764 KB Output is correct
2 Correct 1204 ms 66488 KB Output is correct
3 Incorrect 1993 ms 66232 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1322 ms 68032 KB Output is correct
2 Correct 1727 ms 67516 KB Output is correct
3 Correct 1995 ms 66336 KB Output is correct
4 Correct 2056 ms 66644 KB Output is correct
5 Correct 1872 ms 66232 KB Output is correct
6 Correct 2057 ms 66312 KB Output is correct
7 Correct 1362 ms 66092 KB Output is correct
8 Correct 1298 ms 66436 KB Output is correct
9 Correct 1413 ms 67000 KB Output is correct
10 Correct 1737 ms 67508 KB Output is correct
11 Correct 2012 ms 67256 KB Output is correct
12 Correct 1837 ms 66744 KB Output is correct

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Incorrect 1 ms 348 KB Output isn't correct
28 Halted 0 ms 0 KB -