oj.uz

Submission #515737

# Submission time Handle Problem Language Result Execution time Memory
515737 2022-01-19T14:51:43 Z goodluck2020 Financial Report (JOI21_financial) C++14
40 / 100
 301 ms 20004 KB 
#include <bits/stdc++.h>
#define task "JOI21_FINANCIAL"

using namespace std;
const int N = 3e5 + 5;
int n, A[N], D;
set < int > Set;
int CP[N], cnt;
void compress()
{
    for(int i = 1; i <= n; i++) Set.insert(A[i]);
    for(int j : Set) CP[++cnt] = j;
    for(int i = 1; i <= n; i++)
        A[i] = lower_bound(CP + 1, CP + cnt + 1, A[i]) - CP;
}
namespace sub2
{
    int dp[405][405], ans;
    void solve()
    {
        for(int i = 0; i <= n; i++)
        for(int j = 0; j <= n; j++) dp[i][j] = -1e9;
        dp[0][0] = 0;
        for(int i = 0; i < n; i++)
        {
            if(i)
            dp[i][A[i]] = max(dp[i][A[i]], 1);
            for(int j = 0; j <= n; j++)
                for(int t = i + 1; t <= i + D; t++)
                    if(t <= n)
                    dp[t][max(A[t], j)] = max(dp[t][max(A[t], j)], dp[i][j] + (A[t] > j));
        }
        for(int j = 0; j <= n; j++) ans = max(ans, dp[n][j]);
        cout << ans;
    }
}
namespace sub4
{
    int L[N], St[N], top, ans;
    priority_queue < int > pq;
    void solve()
    {
        for(int i = 1; i <= n; i++)
        {
            while(top && A[i] > A[St[top]]) top--;
            L[i] = St[top] + 1;
            St[++top] = i;
        }
        for(int i = n; i >= 1; i--)
        {
            pq.push(L[i]);
            while(pq.top() > i) pq.pop();
            ans = max(ans, (int)pq.size());
        }
        cout << ans;
    }
}
int main()
{
    if(fopen(task ".inp","r"))
    {
        freopen(task ".inp","r",stdin);
        freopen(task ".out","w",stdout);
    }
    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];
    compress();
    if(n <= 400) sub2::solve();
    else if(D == 1) sub4::solve();

}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         freopen(task ".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:63:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         freopen(task ".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 4 ms 972 KB Output is correct
29 Correct 5 ms 844 KB Output is correct
30 Correct 10 ms 844 KB Output is correct
31 Correct 44 ms 948 KB Output is correct
32 Correct 172 ms 968 KB Output is correct
33 Correct 3 ms 972 KB Output is correct
34 Correct 6 ms 972 KB Output is correct
35 Correct 7 ms 992 KB Output is correct
36 Correct 26 ms 972 KB Output is correct
37 Correct 4 ms 972 KB Output is correct
38 Correct 7 ms 976 KB Output is correct
39 Correct 9 ms 964 KB Output is correct
40 Correct 20 ms 972 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 4 ms 972 KB Output is correct
29 Correct 5 ms 844 KB Output is correct
30 Correct 10 ms 844 KB Output is correct
31 Correct 44 ms 948 KB Output is correct
32 Correct 172 ms 968 KB Output is correct
33 Correct 3 ms 972 KB Output is correct
34 Correct 6 ms 972 KB Output is correct
35 Correct 7 ms 992 KB Output is correct
36 Correct 26 ms 972 KB Output is correct
37 Correct 4 ms 972 KB Output is correct
38 Correct 7 ms 976 KB Output is correct
39 Correct 9 ms 964 KB Output is correct
40 Correct 20 ms 972 KB Output is correct
41 Correct 3 ms 516 KB Output is correct
42 Incorrect 3 ms 716 KB Output isn't correct
43 Halted 0 ms 0 KB -

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 3728 KB Output is correct
2 Correct 55 ms 2748 KB Output is correct
3 Correct 66 ms 2656 KB Output is correct
4 Correct 246 ms 15688 KB Output is correct
5 Correct 172 ms 17860 KB Output is correct
6 Correct 301 ms 17916 KB Output is correct
7 Correct 124 ms 20004 KB Output is correct
8 Correct 138 ms 18932 KB Output is correct
9 Correct 106 ms 19064 KB Output is correct
10 Correct 102 ms 18504 KB Output is correct
11 Correct 169 ms 17824 KB Output is correct
12 Correct 179 ms 17888 KB Output is correct
13 Correct 183 ms 17824 KB Output is correct
14 Correct 243 ms 17892 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 45 ms 1396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 4 ms 972 KB Output is correct
29 Correct 5 ms 844 KB Output is correct
30 Correct 10 ms 844 KB Output is correct
31 Correct 44 ms 948 KB Output is correct
32 Correct 172 ms 968 KB Output is correct
33 Correct 3 ms 972 KB Output is correct
34 Correct 6 ms 972 KB Output is correct
35 Correct 7 ms 992 KB Output is correct
36 Correct 26 ms 972 KB Output is correct
37 Correct 4 ms 972 KB Output is correct
38 Correct 7 ms 976 KB Output is correct
39 Correct 9 ms 964 KB Output is correct
40 Correct 20 ms 972 KB Output is correct
41 Correct 3 ms 516 KB Output is correct
42 Incorrect 3 ms 716 KB Output isn't correct
43 Halted 0 ms 0 KB -