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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#657132#2788. HorsesPioneer#17 361ms45888kbC++202.6kb2024-10-19 14:14:392024-10-19 14:14:39

Judging History

你现在查看的是最新测评结果

  • [2024-10-19 14:14:39]
  • 评测
  • 测评结果:17
  • 用时:361ms
  • 内存:45888kb
  • [2024-10-19 14:14:39]
  • 提交

answer

#include "horses.h"
#include <bits/stdc++.h>

#define ll long long
using namespace std;

const ll inf=1e9;
const int mod=1e9+7;
const int MAX=5e5+10;

struct segtree{
	int t[4*MAX];
	bool mark[4*MAX];

	void update(int v,int tl,int tr,int pos,int x){
		if(tl==tr){
			t[v]=x;
			return;
		}
		int tm=(tl+tr)/2;
		if(pos<=tm)update(2*v,tl,tm,pos,x);
		else update(2*v+1,tm+1,tr,pos,x);
		if(t[2*v]*1ll*t[2*v+1]>=mod){
			mark[v]=1;
		}
		t[v]=(t[2*v]*1ll*t[2*v+1])%mod;
	}

	pair<int,bool> mrg(pair<int,bool> a,pair<int,bool> b){
		pair<int,bool> res={a.first*1ll*b.first%mod,(a.second|b.second)};
		if(a.first*1ll*b.first>=mod){
			res.second=1;
		}
		return res;
	}

	pair<int,bool> get(int v,int tl,int tr,int l,int r){
		if(l>r||tl>r||l>tr)return {1,0};
		if(l<=tl&&tr<=r)return {t[v],mark[v]};
		int tm=(tl+tr)/2;
		return mrg(get(2*v,tl,tm,l,r),get(2*v+1,tm+1,tr,l,r));
	}
}tx;

struct segtreeMx{
	pair<int,int> t[MAX];

	pair<int,int> mrg(pair<int,int> a,pair<int,int> b){
		if(a.first>=b.first)return a;
		else return b;
	}

	void update(int v,int tl,int tr,int pos,int x){
		if(tl==tr){
			t[v]={x,tl};
			return;
		}
		int tm=(tl+tr)/2;
		if(pos<=tm)update(2*v,tl,tm,pos,x);
		else update(2*v+1,tm+1,tr,pos,x);
		t[v]=mrg(t[2*v],t[2*v+1]);
	}

	pair<int,int> get(int v,int tl,int tr,int l,int r){
		if(l>r||tl>r||l>tr)return {0,0};
		if(l<=tl&&tr<=r)return t[v];
		int tm=(tl+tr)/2;
		return mrg(get(2*v,tl,tm,l,r),get(2*v+1,tm+1,tr,l,r));
	}
}ty;

int n;
set<int> st;
int x[MAX];
int y[MAX];

int get(int pos){
	return tx.get(1,1,n,1,pos).first*1ll*y[pos]%mod;
}

int get(){
	if(st.empty())return ty.get(1,1,n,1,n).first;
	vector<int> vec;
	int pos=ty.get(1,1,n,*st.rbegin(),n).second;
	// cout<<*st.rbegin()<<" "<<n<<"\n";
	vec.push_back(*st.rbegin());
	st.erase(--st.end());
	while(!st.empty()){
		int pos1=ty.get(1,1,n,*st.rbegin(),vec.back()-1).second;
		// cerr<<pos<<" "<<pos1<<"\n";
		vec.push_back(*st.rbegin());
		st.erase(--st.end());
		pair<int,bool> bf=tx.get(1,1,n,pos1+1,pos);
		if(bf.second)break;
		if(bf.first*y[pos]<=y[pos1])pos=pos1;
	}
	for(int x:vec)st.insert(x);
	return get(pos);
}

int init(int N, int X[], int Y[]) {
	n=N;
	for(int i=0;i<N;i++){
		y[i+1]=Y[i];
		x[i+1]=X[i];
		tx.update(1,1,N,i+1,X[i]);
		ty.update(1,1,N,i+1,Y[i]);
		if(X[i]!=0){
			st.insert(i+1);
		}
	}
	return get();
}

int updateX(int pos, int val) {	
	pos++;
	if(x[pos]!=1)st.erase(pos);
	x[pos]=val;
	tx.update(1,1,n,pos,val);
	if(x[pos]!=1)st.insert(pos);
	return get();
}

int updateY(int pos, int val) {
	pos++;
	y[pos]=val;
	ty.update(1,1,n,pos,val);
	return get();
}

詳細信息

Subtask #1:

score: 17
Accepted

Test #1:

score: 17
Accepted
time: 2ms
memory: 9996kb

input:

1
2
3
0

output:

6

result:

ok single line: '6'

Test #2:

score: 17
Accepted
time: 1ms
memory: 10000kb

input:

10
2 1 1 5 2 1 1 10 5 1
3 5 7 9 4 1 4 10 10 9
0

output:

10000

result:

ok single line: '10000'

Test #3:

score: 17
Accepted
time: 0ms
memory: 9904kb

input:

10
10 10 10 1 1 1 1 1 1 1
2 3 4 2 7 6 5 4 3 2
0

output:

7000

result:

ok single line: '7000'

Test #4:

score: 17
Accepted
time: 1ms
memory: 7816kb

input:

10
9 1 1 1 1 1 1 1 1 2
4 1 1 1 1 1 1 1 1 2
0

output:

36

result:

ok single line: '36'

Test #5:

score: 17
Accepted
time: 0ms
memory: 7920kb

input:

10
1 1 1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 10
0

output:

10

result:

ok single line: '10'

Test #6:

score: 17
Accepted
time: 1ms
memory: 10160kb

input:

10
1 1 1 1 1 1 1 1 1 1
10 9 8 7 6 5 4 3 2 1
0

output:

10

result:

ok single line: '10'

Test #7:

score: 17
Accepted
time: 1ms
memory: 9972kb

input:

10
10 10 10 1 1 1 1 1 1 1
10 10 2 3 4 5 6 7 8 9
0

output:

9000

result:

ok single line: '9000'

Test #8:

score: 17
Accepted
time: 1ms
memory: 9900kb

input:

10
10 10 10 1 1 1 1 1 1 1
10 10 9 8 7 6 5 4 3 2
0

output:

9000

result:

ok single line: '9000'

Test #9:

score: 17
Accepted
time: 0ms
memory: 9904kb

input:

10
1 1 1 1 2 2 1 1 1 1
8 8 8 8 1 1 2 2 2 2
0

output:

8

result:

ok single line: '8'

Test #10:

score: 17
Accepted
time: 1ms
memory: 9908kb

input:

10
1 1 1 1 1 1 1 1 1 1
1 2 3 4 5 9 8 7 6 1
0

output:

9

result:

ok single line: '9'

Test #11:

score: 17
Accepted
time: 1ms
memory: 7856kb

input:

2
2 5
9 7
0

output:

70

result:

ok single line: '70'

Test #12:

score: 17
Accepted
time: 0ms
memory: 10192kb

input:

1
1
1
0

output:

1

result:

ok single line: '1'

Test #13:

score: 17
Accepted
time: 1ms
memory: 10196kb

input:

7
7 1 1 6 2 3 2
7 6 5 4 3 7 1
0

output:

1764

result:

ok single line: '1764'

Test #14:

score: 17
Accepted
time: 1ms
memory: 9904kb

input:

1
10
10
0

output:

100

result:

ok single line: '100'

Test #15:

score: 17
Accepted
time: 1ms
memory: 7864kb

input:

2
1 4
7 2
0

output:

8

result:

ok single line: '8'

Test #16:

score: 17
Accepted
time: 1ms
memory: 9956kb

input:

10
1 10 1 10 1 1 10 1 1 1
7 3 10 10 4 10 1 4 5 10
0

output:

10000

result:

ok single line: '10000'

Test #17:

score: 17
Accepted
time: 1ms
memory: 9904kb

input:

6
1 1 1 1 1 1
1 1 1 1 1 1
0

output:

1

result:

ok single line: '1'

Test #18:

score: 17
Accepted
time: 0ms
memory: 10000kb

input:

4
1 2 4 8
8 4 2 1
0

output:

64

result:

ok single line: '64'

Test #19:

score: 17
Accepted
time: 0ms
memory: 9904kb

input:

6
1 2 2 3 1 1
7 1 1 2 1 1
0

output:

24

result:

ok single line: '24'

Test #20:

score: 17
Accepted
time: 1ms
memory: 9944kb

input:

10
2 1 1 5 2 1 1 10 5 1
3 5 7 9 4 1 4 10 7 9
0

output:

9000

result:

ok single line: '9000'

Subtask #2:

score: 0
Wrong Answer

Dependency #1:

100%
Accepted

Test #21:

score: 0
Wrong Answer
time: 0ms
memory: 9900kb

input:

10
10 10 10 10 10 10 1 1 1 1
1 1 1 1 9 5 4 7 3 2
5
1 5 1
2 5 123456789
1 5 1
1 8 987654321
1 9 777777777

output:

7000000
900000
1000
1000
1000
75803567

result:

wrong answer 3rd lines differ - expected: '678813585', found: '1000'

Subtask #3:

score: 0
Wrong Answer

Test #33:

score: 0
Wrong Answer
time: 361ms
memory: 45888kb

input:

500000
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2...

output:

942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
942713367
...

result:

wrong answer 1st lines differ - expected: '967631222', found: '942713367'

Subtask #4:

score: 0
Skipped

Dependency #2:

0%

Subtask #5:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

0%