oj.uz

Submission #811641

# Submission time Handle Problem Language Result Execution time Memory
811641 2023-08-07T05:12:38 Z vjudge1 Financial Report (JOI21_financial) C++14
31 / 100
 1486 ms 33484 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define ll long long
using namespace std ;
const int N = (1 << 19) ;
int n, d, cnt, a[N + 1], dp[N + 1], mx[2 * N + 1] ;
set<int> s ;
map<int, int> mp ;
void update(int l, int r, int ind, int num, int v)
{
    if(l > ind || r < ind)
        return ;
    if(l == r)
    {
        mx[v] = num ;
        return ;
    }
    int mid = (l + r) >> 1 ;
    update(l, mid, ind, num, v * 2) ;
    update(mid + 1, r, ind, num, v * 2 + 1) ;
    mx[v] = max(mx[v * 2], mx[v * 2 + 1]) ;
}
int get_max(int l, int r,int l1, int r1, int v)
{
    if(l > r1 || r < l1)
        return 0 ;
    if(l1 <= l && r <= r1)
        return mx[v] ;
    int mid = (l + r) >> 1 ;
    return max(get_max(l, mid, l1, r1, v * 2), get_max(mid + 1, r, l1, r1, v * 2 + 1)) ;
}
signed main()
{
    ios_base::sync_with_stdio( 0 ) ;
    cin.tie( 0 ) ;
    cout.tie( 0 ) ;
    cin >> n >> d ;
    for(int i = 1 ; i <= n ; i++)
    {
        cin >> a[i] ;
        s.insert(a[i]) ;
    }
    for(int i : s)
    {
        cnt++ ;
        mp[i] = cnt ;
    }
    for(int i = 1 ; i <= n ; i++)
        a[i] = mp[a[i]] ;
    if(n <= 7000)
    {
        int ans = 0 ;
        for(int i = n ; i >= 1 ; i--)
        {
            int mx = 0, ls = i, now = a[i] ;
            pair<int, int> mn = {1e9, 1e9} ;
            for(int j = i + 1 ; j <= n ; j++)
            {
                mn = min(mn, {a[j], j}) ;
                if(a[j] > now)
                    mx = max(mx, dp[j]) ;
                if((j - ls) == d)
                {
                    ls = mn.se ;
                    now = max(now, mn.fi) ;
                    mn = {1e9, 1e9} ;
                }
            }
            dp[i] = mx + 1 ;
            ans = max(ans, dp[i]) ;
        }
        cout << ans ;
        return 0 ;
    }
    if(n <= 20)
    {
        int ans = 0 ;
        for(int i = 0 ; i < (1 << n) ; i++)
        {
            int now = 0, mx = -1, ls = 1e9 ;
            for(int j = 0 ; j < n ; j++)
                if(j - ls <= d && ((1 << j) & i))
                {
                    ls = j ;
                    if(mx < a[j + 1])
                        now++ ;
                    mx = max(mx, a[j + 1]) ;
                }
            ans = max(ans, now) ;
        }
        cout << ans ;
        return 0 ;
    }
    if(d == 1)
    {
        int ans = 0 ;
        for(int i = 1 ; i <= n ; i++)
            update(1, N, i, a[i], 1) ;
        for(int i = n ; i >= 1 ; i--)
        {
            int l = i, r = n + 1 ;
            while(l + 1 < r)
            {
                int mid = (l + r) >> 1 ;
                if(get_max(1, N, i, mid, 1) > a[i])
                    r = mid ;
                else
                    l = mid ;
            }
            dp[i] = dp[r] + 1 ;
            ans = max(ans, dp[i]) ;
        }
        cout << ans ;
        return 0 ;
    }
    if(d == n)
    {
        int ans = 0 ;
        for(int i = 1 ; i <= n ; i++)
        {
            int num = get_max(1, N, 1, a[i] - 1, 1) ;
            ans = max(ans, num + 1) ;
            update(1, N, a[i], num + 1, 1) ;
        }
        cout << ans ;
        return 0 ;
    }
    return 0 ;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Incorrect 1 ms 340 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Incorrect 1 ms 340 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1109 ms 5180 KB Output is correct
2 Correct 999 ms 5188 KB Output is correct
3 Correct 1042 ms 5196 KB Output is correct
4 Correct 1260 ms 29268 KB Output is correct
5 Correct 1146 ms 33484 KB Output is correct
6 Correct 1258 ms 33360 KB Output is correct
7 Correct 1059 ms 33292 KB Output is correct
8 Correct 1223 ms 33424 KB Output is correct
9 Correct 1078 ms 33476 KB Output is correct
10 Correct 1183 ms 33472 KB Output is correct
11 Correct 1184 ms 33396 KB Output is correct
12 Correct 1144 ms 33356 KB Output is correct
13 Correct 1202 ms 33380 KB Output is correct
14 Correct 1486 ms 33344 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 1492 KB Output is correct
2 Correct 97 ms 1500 KB Output is correct
3 Correct 140 ms 1840 KB Output is correct
4 Correct 377 ms 32048 KB Output is correct
5 Correct 364 ms 31968 KB Output is correct
6 Correct 452 ms 32064 KB Output is correct
7 Correct 216 ms 31952 KB Output is correct
8 Correct 230 ms 31944 KB Output is correct
9 Correct 222 ms 31804 KB Output is correct
10 Correct 303 ms 31848 KB Output is correct
11 Correct 361 ms 31936 KB Output is correct
12 Correct 299 ms 32020 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Incorrect 1 ms 340 KB Output isn't correct
29 Halted 0 ms 0 KB -