QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#657346#2788. HorsesPioneer#17 1286ms48680kbC++202.7kb2024-10-19 14:36:572024-10-19 14:36:58

Judging History

你现在查看的是最新测评结果

  • [2024-10-19 14:36:58]
  • 评测
  • 测评结果:17
  • 用时:1286ms
  • 内存:48680kb
  • [2024-10-19 14:36:57]
  • 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];

	segtree(){
		memset(mark,0,sizeof(mark));
	}

	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);
		mark[v]=(mark[2*v]|mark[2*v+1]);
		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;
	vec.push_back(*st.rbegin());
	st.erase(--st.end());
	while(!st.empty()){
		// assert(*st.rbegin()==vec.back()-1);
		int pos1=ty.get(1,1,n,*st.rbegin(),vec.back()-1).second;
		vec.push_back(*st.rbegin());
		st.erase(--st.end());
		pair<int,bool> bf=tx.get(1,1,n,pos1+1,pos);
		if(bf.second||bf.first*1ll*y[pos]>=mod)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]!=1){
			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();
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 17
Accepted

Test #1:

score: 17
Accepted
time: 2ms
memory: 12852kb

input:

1
2
3
0

output:

6

result:

ok single line: '6'

Test #2:

score: 17
Accepted
time: 2ms
memory: 11896kb

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: 12252kb

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: 0ms
memory: 12100kb

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: 1ms
memory: 12424kb

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: 2ms
memory: 13800kb

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: 12572kb

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: 0ms
memory: 13600kb

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: 2ms
memory: 13416kb

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: 0ms
memory: 12956kb

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: 2ms
memory: 13856kb

input:

2
2 5
9 7
0

output:

70

result:

ok single line: '70'

Test #12:

score: 17
Accepted
time: 2ms
memory: 13892kb

input:

1
1
1
0

output:

1

result:

ok single line: '1'

Test #13:

score: 17
Accepted
time: 0ms
memory: 11256kb

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: 12440kb

input:

1
10
10
0

output:

100

result:

ok single line: '100'

Test #15:

score: 17
Accepted
time: 1ms
memory: 12680kb

input:

2
1 4
7 2
0

output:

8

result:

ok single line: '8'

Test #16:

score: 17
Accepted
time: 0ms
memory: 12304kb

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: 11360kb

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: 1ms
memory: 12276kb

input:

4
1 2 4 8
8 4 2 1
0

output:

64

result:

ok single line: '64'

Test #19:

score: 17
Accepted
time: 1ms
memory: 11284kb

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: 0ms
memory: 12912kb

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: 17
Accepted
time: 1ms
memory: 12588kb

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
678813585
678813585
294225928
75803567

result:

ok 6 lines

Test #22:

score: 17
Accepted
time: 2ms
memory: 13828kb

input:

10
3 2 7 5 11 13 107 23 51 3
1 1 1 1 1000000000 1 1 1 1 1
16
1 1 1
1 2 1
1 0 1
1 8 1
1 7 1
1 9 1
1 1 25
1 8 123456789
1 4 1
1 6 1
1 3 1
1 5 1
1 5 12345
1 6 123456
1 7 1234567
2 4 3

output:

999983837
999991922
999998852
999999622
999999622
999999622
999999622
999990382
539408243
49037113
617280725
123456145
999999832
851238418
489396978
354709175
354709175

result:

ok 17 lines

Test #23:

score: 17
Accepted
time: 0ms
memory: 11524kb

input:

1000
179278145 423054674 671968267 409599985 828900464 393298292 569389961 360810107 205374067 618910650 76768983 62623743 225944805 498579132 917750714 600860488 642568763 21949846 852642376 283772010 299085842 669257630 544180666 249770466 320727298 612199337 15873453 726595389 219129403 876893450...

output:

394559852
394559852
394559852
394559852
868802752
868802752
868802752
868802752
165967503
244287754
244287754
270995710
270995710
270995710
247981131
247981131
237849527
24662481
24662481
451435926
989677577
989677577
704081481
704081481
704081481
704081481
704081481
631761803
631761803
631761803
80...

result:

ok 1001 lines

Test #24:

score: 17
Accepted
time: 0ms
memory: 12868kb

input:

1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:

858314903
362189740
362189740
362189740
362189740
362189740
347762296
347762296
347762296
347762296
347762296
347762296
297139175
297139175
56337247
56337247
56337247
919555391
919555391
223551221
223551221
223551221
674943421
674943421
674943421
674943421
674943421
160231649
160231649
242692758
242...

result:

ok 1001 lines

Test #25:

score: 17
Accepted
time: 3ms
memory: 13420kb

input:

1000
1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 100000000...

output:

426490853
426490853
426490853
426490853
224787023
224787023
110744712
110744712
110744712
682644373
841322190
841322190
594096835
973115198
7681374
712091041
712091041
712091041
712091041
712091041
712091041
712091041
326844140
326844140
163422070
326844140
326844140
326844140
163422070
163422070
16...

result:

ok 1001 lines

Test #26:

score: 17
Accepted
time: 2ms
memory: 12940kb

input:

1000
1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 100000000...

output:

426490853
224787023
110744712
110744712
110744712
110744712
110744712
110744712
110744712
110744712
841322190
188193663
188193663
973115198
973115198
486557599
486557599
486557599
501920347
501920347
214011381
214011381
214011381
214011381
214011381
214011381
214011381
214011381
540855521
81711035
8...

result:

ok 1001 lines

Test #27:

score: 0
Wrong Answer
time: 3ms
memory: 13712kb

input:

1000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:

1
111838200
2
2
2
4
4
8
8
8
8
8
8
8
8
8
8
16
16
16
16
16
32
64
128
256
256
256
256
128
256
256
512
1024
1024
1024
1024
1024
1024
1024
2048
2048
4096
4096
8192
8192
8192
8192
8192
8192
8192
16384
16384
16384
16384
16384
16384
16384
16384
16384
16384
16384
32768
65536
65536
131072
131072
262144
262144...

result:

wrong answer 3rd lines differ - expected: '111838200', found: '2'

Subtask #3:

score: 0
Wrong Answer

Test #33:

score: 0
Wrong Answer
time: 1286ms
memory: 48680kb

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
590416038
946135722
170737482
170737482
170737482
170737482
170737482
877695782
107743536
107743536
107743536
107743536
107743536
842685874
842685874
842685874
842685874
842685874
214274943
214274943
214274943
214274943
214274943
10116410
10116410
10116410
10116410
10116410
50714...

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%