oj.uz

Submission #954526

# Submission time Handle Problem Language Result Execution time Memory
954526 2024-03-28T06:06:38 Z Trisanu_Das Sequence (APIO23_sequence) C++17
100 / 100
 779 ms 69704 KB 
#include "sequence.h"
#include<bits/stdc++.h>
#define re register
using namespace std;
int n,m,a[500002],ans,mx[2000002],mn[2000002],sum,tg[2000002],Mx,Mn,pmx[2000002],pmn[2000002],smx[2000002],smn[2000002],Q[500002],hd,tl;
vector<int>AA[500002];
inline void Add(re int p,re int x){
	mx[p]+=x,mn[p]+=x,tg[p]+=x;
}
inline void pd(re int p){
	if(tg[p])Add(p<<1,tg[p]),Add(p<<1|1,tg[p]),tg[p]=0;
}
inline void pu(re int p){
	mx[p]=max(mx[p<<1],mx[p<<1|1]);
	mn[p]=min(mn[p<<1],mn[p<<1|1]);
}
inline void add(re int p,re int l,re int r,re int x,re int y,re int z){
	if(l>=x&&r<=y)return Add(p,z);
	pd(p);
	re int mid=l+r>>1;
	if(x<=mid)add(p<<1,l,mid,x,y,z);
	if(y>mid)add(p<<1|1,mid+1,r,x,y,z);
	pu(p);
}
inline void ask(re int p,re int l,re int r,re int x,re int y){
	if(l>=x&&r<=y){
		Mx=max(Mx,mx[p]),Mn=min(Mn,mn[p]);
		return;
	}
	pd(p);
	re int mid=l+r>>1;
	if(x<=mid)ask(p<<1,l,mid,x,y);
	if(y>mid)ask(p<<1|1,mid+1,r,x,y);
}
int sequence(int N, std::vector<int> A){
	n=N;
	for(re int i=1;i<=n;++i)a[i]=A[i-1],AA[a[i]].push_back(i),add(1,0,n,i,n,1);
	for(re int i=1;i<=n;++i){
		for(auto z:AA[i])Mn=1e9,ask(1,0,n,0,z-1),pmn[z]=Mn,Mx=-1e9,ask(1,0,n,z,n),smx[z]=Mx;
		for(auto z:AA[i])add(1,0,n,z,n,-2);
		for(auto z:AA[i])Mx=-1e9,ask(1,0,n,0,z-1),pmx[z]=Mx,Mn=1e9,ask(1,0,n,z,n),smn[z]=Mn;
		hd=1,tl=0;
		for(auto z:AA[i]){
			Q[++tl]=z;
			while(hd<=tl&&1ll*(smx[z]-pmn[Q[hd]])*(smn[z]-pmx[Q[hd]])>0)++hd;
			ans=max(ans,tl-hd+1);
		}
	}
	return ans;
}

Compilation message

sequence.cpp:7:24: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
    7 | inline void Add(re int p,re int x){
      |                        ^
sequence.cpp:7:33: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
    7 | inline void Add(re int p,re int x){
      |                                 ^
sequence.cpp:10:23: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   10 | inline void pd(re int p){
      |                       ^
sequence.cpp:13:23: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   13 | inline void pu(re int p){
      |                       ^
sequence.cpp:17:24: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   17 | inline void add(re int p,re int l,re int r,re int x,re int y,re int z){
      |                        ^
sequence.cpp:17:33: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   17 | inline void add(re int p,re int l,re int r,re int x,re int y,re int z){
      |                                 ^
sequence.cpp:17:42: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   17 | inline void add(re int p,re int l,re int r,re int x,re int y,re int z){
      |                                          ^
sequence.cpp:17:51: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   17 | inline void add(re int p,re int l,re int r,re int x,re int y,re int z){
      |                                                   ^
sequence.cpp:17:60: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   17 | inline void add(re int p,re int l,re int r,re int x,re int y,re int z){
      |                                                            ^
sequence.cpp:17:69: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   17 | inline void add(re int p,re int l,re int r,re int x,re int y,re int z){
      |                                                                     ^
sequence.cpp: In function 'void add(int, int, int, int, int, int)':
sequence.cpp:20:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   20 |  re int mid=l+r>>1;
      |             ~^~
sequence.cpp:20:9: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   20 |  re int mid=l+r>>1;
      |         ^~~
sequence.cpp: At global scope:
sequence.cpp:25:24: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   25 | inline void ask(re int p,re int l,re int r,re int x,re int y){
      |                        ^
sequence.cpp:25:33: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   25 | inline void ask(re int p,re int l,re int r,re int x,re int y){
      |                                 ^
sequence.cpp:25:42: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   25 | inline void ask(re int p,re int l,re int r,re int x,re int y){
      |                                          ^
sequence.cpp:25:51: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   25 | inline void ask(re int p,re int l,re int r,re int x,re int y){
      |                                                   ^
sequence.cpp:25:60: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   25 | inline void ask(re int p,re int l,re int r,re int x,re int y){
      |                                                            ^
sequence.cpp: In function 'void ask(int, int, int, int, int)':
sequence.cpp:31:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |  re int mid=l+r>>1;
      |             ~^~
sequence.cpp:31:9: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   31 |  re int mid=l+r>>1;
      |         ^~~
sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:37:13: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   37 |  for(re int i=1;i<=n;++i)a[i]=A[i-1],AA[a[i]].push_back(i),add(1,0,n,i,n,1);
      |             ^
sequence.cpp:38:13: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   38 |  for(re int i=1;i<=n;++i){
      |             ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27224 KB Output is correct
2 Correct 5 ms 27228 KB Output is correct
3 Correct 6 ms 27292 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 5 ms 27228 KB Output is correct
6 Correct 5 ms 27228 KB Output is correct
7 Correct 5 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27304 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27224 KB Output is correct
2 Correct 5 ms 27228 KB Output is correct
3 Correct 6 ms 27292 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 5 ms 27228 KB Output is correct
6 Correct 5 ms 27228 KB Output is correct
7 Correct 5 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27304 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 7 ms 27224 KB Output is correct
14 Correct 7 ms 27228 KB Output is correct
15 Correct 7 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27224 KB Output is correct
18 Correct 6 ms 27224 KB Output is correct
19 Correct 6 ms 27224 KB Output is correct
20 Correct 7 ms 27224 KB Output is correct
21 Correct 7 ms 27228 KB Output is correct
22 Correct 7 ms 27228 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27224 KB Output is correct
2 Correct 403 ms 60416 KB Output is correct
3 Correct 407 ms 60244 KB Output is correct
4 Correct 367 ms 52584 KB Output is correct
5 Correct 409 ms 59220 KB Output is correct
6 Correct 450 ms 59468 KB Output is correct
7 Correct 362 ms 52960 KB Output is correct
8 Correct 406 ms 53096 KB Output is correct
9 Correct 369 ms 52468 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 422 ms 52692 KB Output is correct
3 Correct 404 ms 52592 KB Output is correct
4 Correct 390 ms 52676 KB Output is correct
5 Correct 386 ms 52736 KB Output is correct
6 Correct 379 ms 52668 KB Output is correct

Subtask #5
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 678 ms 66328 KB Output is correct
2 Correct 610 ms 66124 KB Output is correct
3 Correct 595 ms 65564 KB Output is correct
4 Correct 603 ms 65564 KB Output is correct
5 Correct 497 ms 62036 KB Output is correct
6 Correct 531 ms 62292 KB Output is correct
7 Correct 395 ms 61272 KB Output is correct
8 Correct 423 ms 60936 KB Output is correct

Subtask #6
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27224 KB Output is correct
2 Correct 5 ms 27228 KB Output is correct
3 Correct 6 ms 27292 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 5 ms 27228 KB Output is correct
6 Correct 5 ms 27228 KB Output is correct
7 Correct 5 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27304 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 7 ms 27224 KB Output is correct
14 Correct 7 ms 27228 KB Output is correct
15 Correct 7 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27224 KB Output is correct
18 Correct 6 ms 27224 KB Output is correct
19 Correct 6 ms 27224 KB Output is correct
20 Correct 7 ms 27224 KB Output is correct
21 Correct 7 ms 27228 KB Output is correct
22 Correct 7 ms 27228 KB Output is correct
23 Correct 90 ms 32336 KB Output is correct
24 Correct 93 ms 32584 KB Output is correct
25 Correct 91 ms 32584 KB Output is correct
26 Correct 76 ms 31580 KB Output is correct
27 Correct 79 ms 31576 KB Output is correct
28 Correct 76 ms 31576 KB Output is correct
29 Correct 61 ms 31320 KB Output is correct
30 Correct 61 ms 31312 KB Output is correct
31 Correct 57 ms 31436 KB Output is correct
32 Correct 60 ms 33368 KB Output is correct
33 Correct 91 ms 32188 KB Output is correct
34 Correct 94 ms 32340 KB Output is correct
35 Correct 91 ms 32344 KB Output is correct
36 Correct 86 ms 32172 KB Output is correct
37 Correct 87 ms 32228 KB Output is correct
38 Correct 96 ms 32336 KB Output is correct

Subtask #7
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27224 KB Output is correct
2 Correct 5 ms 27228 KB Output is correct
3 Correct 6 ms 27292 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 5 ms 27228 KB Output is correct
6 Correct 5 ms 27228 KB Output is correct
7 Correct 5 ms 27228 KB Output is correct
8 Correct 5 ms 27228 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct
10 Correct 6 ms 27304 KB Output is correct
11 Correct 5 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 7 ms 27224 KB Output is correct
14 Correct 7 ms 27228 KB Output is correct
15 Correct 7 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27224 KB Output is correct
18 Correct 6 ms 27224 KB Output is correct
19 Correct 6 ms 27224 KB Output is correct
20 Correct 7 ms 27224 KB Output is correct
21 Correct 7 ms 27228 KB Output is correct
22 Correct 7 ms 27228 KB Output is correct
23 Correct 403 ms 60416 KB Output is correct
24 Correct 407 ms 60244 KB Output is correct
25 Correct 367 ms 52584 KB Output is correct
26 Correct 409 ms 59220 KB Output is correct
27 Correct 450 ms 59468 KB Output is correct
28 Correct 362 ms 52960 KB Output is correct
29 Correct 406 ms 53096 KB Output is correct
30 Correct 369 ms 52468 KB Output is correct
31 Correct 422 ms 52692 KB Output is correct
32 Correct 404 ms 52592 KB Output is correct
33 Correct 390 ms 52676 KB Output is correct
34 Correct 386 ms 52736 KB Output is correct
35 Correct 379 ms 52668 KB Output is correct
36 Correct 678 ms 66328 KB Output is correct
37 Correct 610 ms 66124 KB Output is correct
38 Correct 595 ms 65564 KB Output is correct
39 Correct 603 ms 65564 KB Output is correct
40 Correct 497 ms 62036 KB Output is correct
41 Correct 531 ms 62292 KB Output is correct
42 Correct 395 ms 61272 KB Output is correct
43 Correct 423 ms 60936 KB Output is correct
44 Correct 90 ms 32336 KB Output is correct
45 Correct 93 ms 32584 KB Output is correct
46 Correct 91 ms 32584 KB Output is correct
47 Correct 76 ms 31580 KB Output is correct
48 Correct 79 ms 31576 KB Output is correct
49 Correct 76 ms 31576 KB Output is correct
50 Correct 61 ms 31320 KB Output is correct
51 Correct 61 ms 31312 KB Output is correct
52 Correct 57 ms 31436 KB Output is correct
53 Correct 60 ms 33368 KB Output is correct
54 Correct 91 ms 32188 KB Output is correct
55 Correct 94 ms 32340 KB Output is correct
56 Correct 91 ms 32344 KB Output is correct
57 Correct 86 ms 32172 KB Output is correct
58 Correct 87 ms 32228 KB Output is correct
59 Correct 96 ms 32336 KB Output is correct
60 Correct 765 ms 60180 KB Output is correct
61 Correct 766 ms 63504 KB Output is correct
62 Correct 779 ms 63740 KB Output is correct
63 Correct 618 ms 55376 KB Output is correct
64 Correct 627 ms 55664 KB Output is correct
65 Correct 620 ms 55380 KB Output is correct
66 Correct 435 ms 53708 KB Output is correct
67 Correct 405 ms 53856 KB Output is correct
68 Correct 368 ms 55992 KB Output is correct
69 Correct 412 ms 69704 KB Output is correct
70 Correct 755 ms 62924 KB Output is correct
71 Correct 721 ms 62412 KB Output is correct
72 Correct 687 ms 62132 KB Output is correct
73 Correct 698 ms 62480 KB Output is correct
74 Correct 730 ms 62152 KB Output is correct
75 Correct 710 ms 62668 KB Output is correct