oj.uz

Submission #811867

# Submission time Handle Problem Language Result Execution time Memory
811867 2023-08-07T06:11:38 Z vjudge1 Financial Report (JOI21_financial) C++17
17 / 100
 1666 ms 975000 KB 
#ifdef Home
#define _GLIBCXX_DEBUG
#endif // Home

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

const int N = 300300;

int dp[N], arr[N];

struct SlideWin{
    stack < int > L, R, S;

    void add(int x) {
        R.push(max(R.empty() ? 0 : R.top(), x));
        S.push(x);
    }

    void del() {
        if(L.empty()) {
            for(; !S.empty();) {
                L.push(max(L.empty() ? 0 : L.top(), S.top()));
                S.pop();
                R.pop();
            }
        }
        L.pop();
    }

    int get_max() {
        return max(L.empty() ? 0 : L.top(),
                   R.empty() ? 0 : R.top());
    }
};

map < int, SlideWin > mp;

struct node{
    int l, r, mx = 0;
    node *left = NULL, *right = NULL;

    node(int _l, int _r):l(_l), r(_r) {};
};

void check(node *x) {
    if(x->left == NULL) {
        x->left = new node(x->l, (x->l + x->r) / 2);
    }
    if(x->right == NULL) {
        x->right = new node((x->l + x->r) / 2, x->r);
    }
}

void update(int pos, node *x) {
    if(x->l + 1 == x->r) {
        x->mx = mp[x->l].get_max();
        return;
    }
    check(x);
    pos < x->left->r ?
    update(pos, x->left)  :
    update(pos, x->right) ;

    x->mx = max(x->left->mx, x->right->mx);
}

int get(int r, node *x) {
    if(x->r <= r || x->mx == 0) {
        return x->mx;
    }
    check(x);
    int res = get(r, x->left);
    if(x->right->l < r) {
        res = max(res, get(r, x->right));
    }
    return res;
}

main() {
#ifdef Home
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif // Home
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n, m, d;
    cin >> n >> d;
    stack < int > st;
    node *root = new node(0, (1<<30));
    for(int i = 1; i <= n; ++ i) {
        cin >> arr[i];
        if(i > d + 1) {
            mp[arr[i - d - 1]].del();
            update(arr[i - d - 1], root);
        }
        dp[i] = get(arr[i], root) + 1;
        for(; !st.empty() && arr[st.top()] <= arr[i]; st.pop()) {
            dp[i] = max(dp[i], dp[st.top()] + (arr[st.top()] < arr[i]));
        }
        st.push(i);
        mp[arr[i]].add(dp[i]);
        update(arr[i], root);
    }

    int mx = 0;
    for(; !st.empty(); st.pop()) {
        mx = max(mx, dp[st.top()]);
    }
    cout << mx;
}

Compilation message

Main.cpp:84:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   84 | main() {
      | ^~~~
Main.cpp: In function 'int main()':
Main.cpp:92:12: warning: unused variable 'm' [-Wunused-variable]
   92 |     int n, m, d;
      |            ^

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 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 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Incorrect 0 ms 340 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 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 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Incorrect 0 ms 340 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 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 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Incorrect 0 ms 340 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 194 ms 2620 KB Output is correct
2 Correct 174 ms 2628 KB Output is correct
3 Correct 244 ms 3072 KB Output is correct
4 Correct 1666 ms 821408 KB Output is correct
5 Correct 1296 ms 955436 KB Output is correct
6 Correct 1622 ms 955416 KB Output is correct
7 Correct 944 ms 967404 KB Output is correct
8 Correct 923 ms 971768 KB Output is correct
9 Correct 984 ms 960404 KB Output is correct
10 Correct 920 ms 958792 KB Output is correct
11 Correct 1481 ms 955216 KB Output is correct
12 Correct 1294 ms 955276 KB Output is correct
13 Correct 1375 ms 955452 KB Output is correct
14 Correct 1474 ms 955448 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 5068 KB Output is correct
2 Correct 164 ms 5520 KB Output is correct
3 Correct 316 ms 16624 KB Output is correct
4 Correct 1359 ms 955492 KB Output is correct
5 Correct 1213 ms 955396 KB Output is correct
6 Correct 1358 ms 954788 KB Output is correct
7 Correct 809 ms 973784 KB Output is correct
8 Correct 1191 ms 975000 KB Output is correct
9 Correct 856 ms 949440 KB Output is correct
10 Correct 1031 ms 952344 KB Output is correct
11 Correct 1597 ms 955444 KB Output is correct
12 Correct 1390 ms 955356 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 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 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Incorrect 0 ms 340 KB Output isn't correct
22 Halted 0 ms 0 KB -