oj.uz

Submission #680989

# Submission time Handle Problem Language Result Execution time Memory
680989 2023-01-12T08:10:01 Z arnold518 Financial Report (JOI21_financial) C++17
100 / 100
 2066 ms 28088 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 3e5;
const int INF = 1e9+7;

int N, D;
int A[MAXN+10], P[MAXN+10];

struct UF
{
	int par[MAXN+10];
	int Find(int x)
	{
		if(x==par[x]) return x;
		return Find(par[x]);
	}
	void Union(int x, int y)
	{
		x=Find(x); y=Find(y);
		par[x]=y;
	}
}uf;

struct SEG
{
	int tree[MAXN*4+10];
	SEG()
	{
		fill(tree, tree+MAXN*4+10, -INF);
	}
	void update(int node, int tl, int tr, int p, int q)
	{
		tree[node]=max(tree[node], q);
		if(tl==tr) return;
		int mid=tl+tr>>1;
		if(p<=mid) update(node*2, tl, mid ,p, q);
		else update(node*2+1, mid+1, tr, p, q);
	}
	int query(int node, int tl, int tr, int l, int r)
	{
		if(l<=tl && tr<=r) return tree[node];
		if(r<tl || tr<l) return -INF;
		int mid=tl+tr>>1;
		return max(query(node*2, tl, mid, l, r), query(node*2+1, mid+1, tr, l, r));
	}
}seg;

int dp[MAXN+10];

int main()
{
	scanf("%d%d", &N, &D);
	for(int i=1; i<=N; i++) scanf("%d", &A[i]);

	vector<int> V;
	for(int i=1; i<=N; i++) V.push_back(i);
	sort(V.begin(), V.end(), [&](const int &p, const int &q)
	{
		if(A[p]==A[q]) return p>q;
		return A[p]<A[q];
	});
	
	for(int i=1; i<=N; i++) uf.par[i]=i;

	set<int> S;
	for(auto it : V)
	{
		auto jt=S.lower_bound(it);
		if(jt!=S.end() && *jt-it<=D) uf.Union(it, *jt);
		if(jt!=S.begin() && it-*prev(jt)<=D) uf.Union(*prev(jt), it);
		P[it]=uf.Find(it);
		S.insert(it);
	}

	int ans=1;

	sort(V.begin(), V.end(), [&](const int &p, const int &q)
	{
		if(A[p]==A[q]) return p<q;
		return A[p]>A[q];
	});

	for(auto it : V)
	{
		dp[it]=seg.query(1, 1, N, it, P[it]+D)+1;
		if(P[it]==N) dp[it]=max(dp[it], 1);
		seg.update(1, 1, N, it, dp[it]);
		ans=max(ans, dp[it]);
	}

	printf("%d\n", ans);
}

Compilation message

Main.cpp: In member function 'void SEG::update(int, int, int, int, int)':
Main.cpp:40:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   40 |   int mid=tl+tr>>1;
      |           ~~^~~
Main.cpp: In member function 'int SEG::query(int, int, int, int, int)':
Main.cpp:48:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   48 |   int mid=tl+tr>>1;
      |           ~~^~~
Main.cpp: In function 'int main()':
Main.cpp:57:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |  scanf("%d%d", &N, &D);
      |  ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:58:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |  for(int i=1; i<=N; i++) scanf("%d", &A[i]);
      |                          ~~~~~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5008 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 5008 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 5008 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 5012 KB Output is correct
18 Correct 3 ms 5012 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 4948 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 2 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5008 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 5008 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 5008 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 5012 KB Output is correct
18 Correct 3 ms 5012 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 4948 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 2 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 3 ms 5032 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 5016 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 3 ms 5012 KB Output is correct
40 Correct 3 ms 4948 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5008 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 5008 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 5008 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 5012 KB Output is correct
18 Correct 3 ms 5012 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 4948 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 2 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 3 ms 5032 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 5016 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 3 ms 5012 KB Output is correct
40 Correct 3 ms 4948 KB Output is correct
41 Correct 7 ms 5460 KB Output is correct
42 Correct 7 ms 5460 KB Output is correct
43 Correct 6 ms 5540 KB Output is correct
44 Correct 7 ms 5460 KB Output is correct
45 Correct 7 ms 5476 KB Output is correct
46 Correct 6 ms 5468 KB Output is correct
47 Correct 10 ms 5496 KB Output is correct
48 Correct 10 ms 5460 KB Output is correct
49 Correct 8 ms 5532 KB Output is correct
50 Correct 7 ms 5460 KB Output is correct
51 Correct 7 ms 5472 KB Output is correct
52 Correct 8 ms 5532 KB Output is correct
53 Correct 6 ms 5532 KB Output is correct
54 Correct 7 ms 5532 KB Output is correct
55 Correct 7 ms 5460 KB Output is correct
56 Correct 7 ms 5460 KB Output is correct
57 Correct 8 ms 5532 KB Output is correct
58 Correct 6 ms 5472 KB Output is correct
59 Correct 5 ms 5472 KB Output is correct
60 Correct 6 ms 5460 KB Output is correct
61 Correct 6 ms 5480 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 202 ms 27832 KB Output is correct
2 Correct 205 ms 27504 KB Output is correct
3 Correct 276 ms 27832 KB Output is correct
4 Correct 369 ms 27832 KB Output is correct
5 Correct 300 ms 27856 KB Output is correct
6 Correct 378 ms 27752 KB Output is correct
7 Correct 193 ms 27868 KB Output is correct
8 Correct 181 ms 27704 KB Output is correct
9 Correct 159 ms 27772 KB Output is correct
10 Correct 168 ms 27812 KB Output is correct
11 Correct 254 ms 27844 KB Output is correct
12 Correct 281 ms 27788 KB Output is correct
13 Correct 301 ms 27744 KB Output is correct
14 Correct 382 ms 27852 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 28088 KB Output is correct
2 Correct 283 ms 27696 KB Output is correct
3 Correct 334 ms 27740 KB Output is correct
4 Correct 351 ms 27844 KB Output is correct
5 Correct 292 ms 27776 KB Output is correct
6 Correct 351 ms 27860 KB Output is correct
7 Correct 192 ms 27892 KB Output is correct
8 Correct 202 ms 27832 KB Output is correct
9 Correct 211 ms 27656 KB Output is correct
10 Correct 279 ms 27672 KB Output is correct
11 Correct 454 ms 27752 KB Output is correct
12 Correct 329 ms 27856 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5008 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 5008 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 3 ms 5008 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 5012 KB Output is correct
18 Correct 3 ms 5012 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 3 ms 4948 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 2 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 3 ms 5032 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 5016 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 3 ms 5012 KB Output is correct
40 Correct 3 ms 4948 KB Output is correct
41 Correct 7 ms 5460 KB Output is correct
42 Correct 7 ms 5460 KB Output is correct
43 Correct 6 ms 5540 KB Output is correct
44 Correct 7 ms 5460 KB Output is correct
45 Correct 7 ms 5476 KB Output is correct
46 Correct 6 ms 5468 KB Output is correct
47 Correct 10 ms 5496 KB Output is correct
48 Correct 10 ms 5460 KB Output is correct
49 Correct 8 ms 5532 KB Output is correct
50 Correct 7 ms 5460 KB Output is correct
51 Correct 7 ms 5472 KB Output is correct
52 Correct 8 ms 5532 KB Output is correct
53 Correct 6 ms 5532 KB Output is correct
54 Correct 7 ms 5532 KB Output is correct
55 Correct 7 ms 5460 KB Output is correct
56 Correct 7 ms 5460 KB Output is correct
57 Correct 8 ms 5532 KB Output is correct
58 Correct 6 ms 5472 KB Output is correct
59 Correct 5 ms 5472 KB Output is correct
60 Correct 6 ms 5460 KB Output is correct
61 Correct 6 ms 5480 KB Output is correct
62 Correct 202 ms 27832 KB Output is correct
63 Correct 205 ms 27504 KB Output is correct
64 Correct 276 ms 27832 KB Output is correct
65 Correct 369 ms 27832 KB Output is correct
66 Correct 300 ms 27856 KB Output is correct
67 Correct 378 ms 27752 KB Output is correct
68 Correct 193 ms 27868 KB Output is correct
69 Correct 181 ms 27704 KB Output is correct
70 Correct 159 ms 27772 KB Output is correct
71 Correct 168 ms 27812 KB Output is correct
72 Correct 254 ms 27844 KB Output is correct
73 Correct 281 ms 27788 KB Output is correct
74 Correct 301 ms 27744 KB Output is correct
75 Correct 382 ms 27852 KB Output is correct
76 Correct 191 ms 28088 KB Output is correct
77 Correct 283 ms 27696 KB Output is correct
78 Correct 334 ms 27740 KB Output is correct
79 Correct 351 ms 27844 KB Output is correct
80 Correct 292 ms 27776 KB Output is correct
81 Correct 351 ms 27860 KB Output is correct
82 Correct 192 ms 27892 KB Output is correct
83 Correct 202 ms 27832 KB Output is correct
84 Correct 211 ms 27656 KB Output is correct
85 Correct 279 ms 27672 KB Output is correct
86 Correct 454 ms 27752 KB Output is correct
87 Correct 329 ms 27856 KB Output is correct
88 Correct 418 ms 27912 KB Output is correct
89 Correct 409 ms 27804 KB Output is correct
90 Correct 464 ms 27912 KB Output is correct
91 Correct 363 ms 27828 KB Output is correct
92 Correct 299 ms 27784 KB Output is correct
93 Correct 392 ms 27792 KB Output is correct
94 Correct 390 ms 27856 KB Output is correct
95 Correct 412 ms 27784 KB Output is correct
96 Correct 1693 ms 27856 KB Output is correct
97 Correct 401 ms 27860 KB Output is correct
98 Correct 368 ms 27856 KB Output is correct
99 Correct 360 ms 27788 KB Output is correct
100 Correct 389 ms 27760 KB Output is correct
101 Correct 177 ms 27780 KB Output is correct
102 Correct 212 ms 27848 KB Output is correct
103 Correct 246 ms 27920 KB Output is correct
104 Correct 261 ms 27788 KB Output is correct
105 Correct 336 ms 27980 KB Output is correct
106 Correct 245 ms 27816 KB Output is correct
107 Correct 257 ms 27944 KB Output is correct
108 Correct 361 ms 27944 KB Output is correct
109 Correct 304 ms 27784 KB Output is correct
110 Correct 394 ms 27896 KB Output is correct
111 Correct 400 ms 27764 KB Output is correct
112 Correct 2066 ms 27848 KB Output is correct
113 Correct 360 ms 27780 KB Output is correct
114 Correct 375 ms 27856 KB Output is correct
115 Correct 203 ms 27796 KB Output is correct
116 Correct 192 ms 27748 KB Output is correct
117 Correct 272 ms 27796 KB Output is correct
118 Correct 294 ms 27960 KB Output is correct
119 Correct 462 ms 27828 KB Output is correct
120 Correct 467 ms 27804 KB Output is correct