oj.uz

Submission #421050

# Submission time Handle Problem Language Result Execution time Memory
421050 2021-06-08T16:53:06 Z davi_bart Financial Report (JOI21_financial) C++17
100 / 100
 2372 ms 229616 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define ld long double
#define pb push_back
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int N,D;
vector<int> v;
int memo[300010];
int val[300010];
int prev[300010];
const int dim=3000;
vector<int> ma(100000);
struct min_queue{
    deque<pair<int,int> >q;
    int top(){
        return q.front().fi;
    }
    void insert(int v,int t){
        while(q.size() && q.back().fi>=v)q.pop_back();
        q.pb({v,t});
    }
    void pop(int t){
        while(q.size() && q.front().se<=t)q.pop_front();
    }
}q;
struct fenwick{
    const int dim=1<<19;
    vector<int> f=vector<int> (dim,0);
    void upd(int pos,int val){
        pos+=10;
        for(int i=pos;i<dim;i+=i&(-i))f[i]=max(f[i],val);
    }
    int ma(int pos){
        pos+=10;
        int ans=0;
        for(int i=pos;i>0;i-=i&(-i))ans=max(ans,f[i]);
        return ans;
    }
};
vector<fenwick> z;
signed main(){
	ios::sync_with_stdio(false);cin.tie(0);
    cin>>N>>D;
    vector<int> p={0};
    v.pb(0);
    for(int i=0;i<N;i++){
        int a;cin>>a;
        v.pb(a);
        p.pb(a);
    }
    sort(p.begin(),p.end());
    p.resize(unique(p.begin(),p.end())-p.begin());
    map<int,int> l;
    for(int i=0;i<p.size();i++)l[p[i]]=i;
    for(int i=0;i<=N;i++)v[i]=l[v[i]];


    for(int i=0;i<=N;i++){
        if(i%dim==0)z.pb(fenwick());
    }
    for(int i=0;i<=N;i++){
        q.insert(v[i],i);
        q.pop(i-D);
        val[i]=q.top();
    }
    int ans=0;
    for(int i=1;i<=N;i++){
        memo[i]=1;
        int pos=i-i%dim;
        for(int j=pos;j>=0;j-=dim){
            if(ma[j/dim]<v[i]){
                memo[i]=max(memo[i],z[j/dim].ma(v[i]-1)+1);
            }else{
                for(int h=min(i-1,j+dim-1);h>=j;h--){
                    if(val[h]>=v[i])break;
                    if(v[h]<v[i]){
                        memo[i]=max(memo[i],memo[h]+1);
                    }
                }
                break;
            }
        }
        ans=max(ans,memo[i]);
        ma[i/dim]=max(ma[i/dim],val[i]);
        z[i/dim].upd(v[i],memo[i]);
    }
    cout<<ans<<endl;

}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:58:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |     for(int i=0;i<p.size();i++)l[p[i]]=i;
      |                 ~^~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2764 KB Output is correct
2 Correct 2 ms 2764 KB Output is correct
3 Correct 2 ms 2764 KB Output is correct
4 Correct 2 ms 2764 KB Output is correct
5 Correct 2 ms 2764 KB Output is correct
6 Correct 2 ms 2764 KB Output is correct
7 Correct 2 ms 2764 KB Output is correct
8 Correct 2 ms 2764 KB Output is correct
9 Correct 2 ms 2764 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 2 ms 2764 KB Output is correct
12 Correct 2 ms 2764 KB Output is correct
13 Correct 2 ms 2764 KB Output is correct
14 Correct 2 ms 2764 KB Output is correct
15 Correct 2 ms 2764 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 2 ms 2764 KB Output is correct
18 Correct 2 ms 2764 KB Output is correct
19 Correct 2 ms 2764 KB Output is correct
20 Correct 2 ms 2764 KB Output is correct
21 Correct 2 ms 2764 KB Output is correct
22 Correct 2 ms 2764 KB Output is correct
23 Correct 2 ms 2764 KB Output is correct
24 Correct 2 ms 2764 KB Output is correct
25 Correct 2 ms 2764 KB Output is correct
26 Correct 2 ms 2764 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2764 KB Output is correct
2 Correct 2 ms 2764 KB Output is correct
3 Correct 2 ms 2764 KB Output is correct
4 Correct 2 ms 2764 KB Output is correct
5 Correct 2 ms 2764 KB Output is correct
6 Correct 2 ms 2764 KB Output is correct
7 Correct 2 ms 2764 KB Output is correct
8 Correct 2 ms 2764 KB Output is correct
9 Correct 2 ms 2764 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 2 ms 2764 KB Output is correct
12 Correct 2 ms 2764 KB Output is correct
13 Correct 2 ms 2764 KB Output is correct
14 Correct 2 ms 2764 KB Output is correct
15 Correct 2 ms 2764 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 2 ms 2764 KB Output is correct
18 Correct 2 ms 2764 KB Output is correct
19 Correct 2 ms 2764 KB Output is correct
20 Correct 2 ms 2764 KB Output is correct
21 Correct 2 ms 2764 KB Output is correct
22 Correct 2 ms 2764 KB Output is correct
23 Correct 2 ms 2764 KB Output is correct
24 Correct 2 ms 2764 KB Output is correct
25 Correct 2 ms 2764 KB Output is correct
26 Correct 2 ms 2764 KB Output is correct
27 Correct 2 ms 2764 KB Output is correct
28 Correct 2 ms 2764 KB Output is correct
29 Correct 2 ms 2764 KB Output is correct
30 Correct 2 ms 2764 KB Output is correct
31 Correct 2 ms 2764 KB Output is correct
32 Correct 2 ms 2764 KB Output is correct
33 Correct 2 ms 2764 KB Output is correct
34 Correct 2 ms 2764 KB Output is correct
35 Correct 3 ms 2764 KB Output is correct
36 Correct 2 ms 2764 KB Output is correct
37 Correct 2 ms 2764 KB Output is correct
38 Correct 2 ms 2764 KB Output is correct
39 Correct 2 ms 2764 KB Output is correct
40 Correct 2 ms 2764 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2764 KB Output is correct
2 Correct 2 ms 2764 KB Output is correct
3 Correct 2 ms 2764 KB Output is correct
4 Correct 2 ms 2764 KB Output is correct
5 Correct 2 ms 2764 KB Output is correct
6 Correct 2 ms 2764 KB Output is correct
7 Correct 2 ms 2764 KB Output is correct
8 Correct 2 ms 2764 KB Output is correct
9 Correct 2 ms 2764 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 2 ms 2764 KB Output is correct
12 Correct 2 ms 2764 KB Output is correct
13 Correct 2 ms 2764 KB Output is correct
14 Correct 2 ms 2764 KB Output is correct
15 Correct 2 ms 2764 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 2 ms 2764 KB Output is correct
18 Correct 2 ms 2764 KB Output is correct
19 Correct 2 ms 2764 KB Output is correct
20 Correct 2 ms 2764 KB Output is correct
21 Correct 2 ms 2764 KB Output is correct
22 Correct 2 ms 2764 KB Output is correct
23 Correct 2 ms 2764 KB Output is correct
24 Correct 2 ms 2764 KB Output is correct
25 Correct 2 ms 2764 KB Output is correct
26 Correct 2 ms 2764 KB Output is correct
27 Correct 2 ms 2764 KB Output is correct
28 Correct 2 ms 2764 KB Output is correct
29 Correct 2 ms 2764 KB Output is correct
30 Correct 2 ms 2764 KB Output is correct
31 Correct 2 ms 2764 KB Output is correct
32 Correct 2 ms 2764 KB Output is correct
33 Correct 2 ms 2764 KB Output is correct
34 Correct 2 ms 2764 KB Output is correct
35 Correct 3 ms 2764 KB Output is correct
36 Correct 2 ms 2764 KB Output is correct
37 Correct 2 ms 2764 KB Output is correct
38 Correct 2 ms 2764 KB Output is correct
39 Correct 2 ms 2764 KB Output is correct
40 Correct 2 ms 2764 KB Output is correct
41 Correct 6 ms 6988 KB Output is correct
42 Correct 7 ms 7244 KB Output is correct
43 Correct 6 ms 6988 KB Output is correct
44 Correct 10 ms 7116 KB Output is correct
45 Correct 9 ms 7068 KB Output is correct
46 Correct 9 ms 7244 KB Output is correct
47 Correct 29 ms 7320 KB Output is correct
48 Correct 19 ms 7336 KB Output is correct
49 Correct 10 ms 7244 KB Output is correct
50 Correct 9 ms 7244 KB Output is correct
51 Correct 7 ms 7244 KB Output is correct
52 Correct 8 ms 7244 KB Output is correct
53 Correct 7 ms 7244 KB Output is correct
54 Correct 8 ms 7372 KB Output is correct
55 Correct 8 ms 7300 KB Output is correct
56 Correct 8 ms 7244 KB Output is correct
57 Correct 8 ms 7244 KB Output is correct
58 Correct 10 ms 7244 KB Output is correct
59 Correct 7 ms 7244 KB Output is correct
60 Correct 7 ms 7244 KB Output is correct
61 Correct 8 ms 7244 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 213232 KB Output is correct
2 Correct 163 ms 211208 KB Output is correct
3 Correct 205 ms 211148 KB Output is correct
4 Correct 462 ms 225052 KB Output is correct
5 Correct 428 ms 227152 KB Output is correct
6 Correct 461 ms 227172 KB Output is correct
7 Correct 674 ms 225000 KB Output is correct
8 Correct 245 ms 225060 KB Output is correct
9 Correct 517 ms 227156 KB Output is correct
10 Correct 250 ms 227116 KB Output is correct
11 Correct 325 ms 227272 KB Output is correct
12 Correct 337 ms 227112 KB Output is correct
13 Correct 625 ms 227084 KB Output is correct
14 Correct 488 ms 227156 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 286 ms 213220 KB Output is correct
2 Correct 313 ms 211152 KB Output is correct
3 Correct 500 ms 211240 KB Output is correct
4 Correct 2362 ms 227204 KB Output is correct
5 Correct 1859 ms 227160 KB Output is correct
6 Correct 2300 ms 227096 KB Output is correct
7 Correct 622 ms 229616 KB Output is correct
8 Correct 591 ms 227168 KB Output is correct
9 Correct 662 ms 225344 KB Output is correct
10 Correct 1185 ms 225192 KB Output is correct
11 Correct 2258 ms 227232 KB Output is correct
12 Correct 1611 ms 227112 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2764 KB Output is correct
2 Correct 2 ms 2764 KB Output is correct
3 Correct 2 ms 2764 KB Output is correct
4 Correct 2 ms 2764 KB Output is correct
5 Correct 2 ms 2764 KB Output is correct
6 Correct 2 ms 2764 KB Output is correct
7 Correct 2 ms 2764 KB Output is correct
8 Correct 2 ms 2764 KB Output is correct
9 Correct 2 ms 2764 KB Output is correct
10 Correct 2 ms 2764 KB Output is correct
11 Correct 2 ms 2764 KB Output is correct
12 Correct 2 ms 2764 KB Output is correct
13 Correct 2 ms 2764 KB Output is correct
14 Correct 2 ms 2764 KB Output is correct
15 Correct 2 ms 2764 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 2 ms 2764 KB Output is correct
18 Correct 2 ms 2764 KB Output is correct
19 Correct 2 ms 2764 KB Output is correct
20 Correct 2 ms 2764 KB Output is correct
21 Correct 2 ms 2764 KB Output is correct
22 Correct 2 ms 2764 KB Output is correct
23 Correct 2 ms 2764 KB Output is correct
24 Correct 2 ms 2764 KB Output is correct
25 Correct 2 ms 2764 KB Output is correct
26 Correct 2 ms 2764 KB Output is correct
27 Correct 2 ms 2764 KB Output is correct
28 Correct 2 ms 2764 KB Output is correct
29 Correct 2 ms 2764 KB Output is correct
30 Correct 2 ms 2764 KB Output is correct
31 Correct 2 ms 2764 KB Output is correct
32 Correct 2 ms 2764 KB Output is correct
33 Correct 2 ms 2764 KB Output is correct
34 Correct 2 ms 2764 KB Output is correct
35 Correct 3 ms 2764 KB Output is correct
36 Correct 2 ms 2764 KB Output is correct
37 Correct 2 ms 2764 KB Output is correct
38 Correct 2 ms 2764 KB Output is correct
39 Correct 2 ms 2764 KB Output is correct
40 Correct 2 ms 2764 KB Output is correct
41 Correct 6 ms 6988 KB Output is correct
42 Correct 7 ms 7244 KB Output is correct
43 Correct 6 ms 6988 KB Output is correct
44 Correct 10 ms 7116 KB Output is correct
45 Correct 9 ms 7068 KB Output is correct
46 Correct 9 ms 7244 KB Output is correct
47 Correct 29 ms 7320 KB Output is correct
48 Correct 19 ms 7336 KB Output is correct
49 Correct 10 ms 7244 KB Output is correct
50 Correct 9 ms 7244 KB Output is correct
51 Correct 7 ms 7244 KB Output is correct
52 Correct 8 ms 7244 KB Output is correct
53 Correct 7 ms 7244 KB Output is correct
54 Correct 8 ms 7372 KB Output is correct
55 Correct 8 ms 7300 KB Output is correct
56 Correct 8 ms 7244 KB Output is correct
57 Correct 8 ms 7244 KB Output is correct
58 Correct 10 ms 7244 KB Output is correct
59 Correct 7 ms 7244 KB Output is correct
60 Correct 7 ms 7244 KB Output is correct
61 Correct 8 ms 7244 KB Output is correct
62 Correct 161 ms 213232 KB Output is correct
63 Correct 163 ms 211208 KB Output is correct
64 Correct 205 ms 211148 KB Output is correct
65 Correct 462 ms 225052 KB Output is correct
66 Correct 428 ms 227152 KB Output is correct
67 Correct 461 ms 227172 KB Output is correct
68 Correct 674 ms 225000 KB Output is correct
69 Correct 245 ms 225060 KB Output is correct
70 Correct 517 ms 227156 KB Output is correct
71 Correct 250 ms 227116 KB Output is correct
72 Correct 325 ms 227272 KB Output is correct
73 Correct 337 ms 227112 KB Output is correct
74 Correct 625 ms 227084 KB Output is correct
75 Correct 488 ms 227156 KB Output is correct
76 Correct 286 ms 213220 KB Output is correct
77 Correct 313 ms 211152 KB Output is correct
78 Correct 500 ms 211240 KB Output is correct
79 Correct 2362 ms 227204 KB Output is correct
80 Correct 1859 ms 227160 KB Output is correct
81 Correct 2300 ms 227096 KB Output is correct
82 Correct 622 ms 229616 KB Output is correct
83 Correct 591 ms 227168 KB Output is correct
84 Correct 662 ms 225344 KB Output is correct
85 Correct 1185 ms 225192 KB Output is correct
86 Correct 2258 ms 227232 KB Output is correct
87 Correct 1611 ms 227112 KB Output is correct
88 Correct 238 ms 213200 KB Output is correct
89 Correct 547 ms 226544 KB Output is correct
90 Correct 850 ms 215260 KB Output is correct
91 Correct 2270 ms 227152 KB Output is correct
92 Correct 292 ms 213348 KB Output is correct
93 Correct 471 ms 213280 KB Output is correct
94 Correct 2169 ms 222992 KB Output is correct
95 Correct 482 ms 225256 KB Output is correct
96 Correct 1378 ms 225240 KB Output is correct
97 Correct 1672 ms 225128 KB Output is correct
98 Correct 2217 ms 225348 KB Output is correct
99 Correct 2361 ms 225160 KB Output is correct
100 Correct 2372 ms 225396 KB Output is correct
101 Correct 538 ms 227172 KB Output is correct
102 Correct 680 ms 227232 KB Output is correct
103 Correct 676 ms 227128 KB Output is correct
104 Correct 764 ms 227112 KB Output is correct
105 Correct 1775 ms 227220 KB Output is correct
106 Correct 1204 ms 227172 KB Output is correct
107 Correct 871 ms 227168 KB Output is correct
108 Correct 2156 ms 227172 KB Output is correct
109 Correct 374 ms 225028 KB Output is correct
110 Correct 1682 ms 225140 KB Output is correct
111 Correct 2068 ms 225148 KB Output is correct
112 Correct 1262 ms 225204 KB Output is correct
113 Correct 2232 ms 225112 KB Output is correct
114 Correct 2259 ms 225160 KB Output is correct
115 Correct 615 ms 227068 KB Output is correct
116 Correct 608 ms 227216 KB Output is correct
117 Correct 638 ms 227228 KB Output is correct
118 Correct 645 ms 227232 KB Output is correct
119 Correct 1873 ms 225208 KB Output is correct
120 Correct 1904 ms 225184 KB Output is correct