oj.uz

Submission #971536

# Submission time Handle Problem Language Result Execution time Memory
971536 2024-04-28T19:16:18 Z CyberCow The short shank; Redemption (BOI21_prison) C++17
55 / 100
 2000 ms 12884 KB 
#include <random>
#include <algorithm>
#include <bitset>
#include <chrono>
#include <cmath>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <chrono>
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((x).size())
typedef long long ll;
using ull = unsigned long long;
using namespace std;
mt19937 rnd(348502);
ll mod1 = 998244353;
ll mod = 1e9 + 7;
const ll N = 500010;

int a[N], lr[N];
int han[N];
int ans[N];
int achqisjoga[N];

void solve()
{
    int n, d, k, t;
    cin >> n >> d >> t;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        if (a[i] <= t)
            lr[i] = min(t - a[i] + i, n);
    }
    int obshi = 0;
    int ma = 0, qaq = 0;
    for (int h = 0; h < d; h++)
    {
        obshi = 0;
        stack<pair<int, int>> se;
        for (int i = 1; i <= n; i++)
        {
            se.push({ i, lr[i] });
            while (!se.empty() && se.top().second < i)
            {
                se.pop();
            }
            if (!se.empty())
            {
                han[i] = se.top().first;
                achqisjoga[se.top().first]++;
                achqisjoga[i]--;
                obshi++;
            }
        }
        ma = 0, qaq = 0;
        int hanind = 0;
        for (int i = 1; i <= n; i++)
        {
            qaq += achqisjoga[i];
            if (ma < qaq)
            {
                ma = max(ma, qaq);
                hanind = i;
            }
        }
        for (int hh = 0; hh <= hanind; hh++)
        {
            lr[hh] = min(lr[hh], hanind);
        }
        for (int hh = 0; hh <= N; hh++)
        {
            achqisjoga[hh] = 0;
        }
    }
    cout << obshi - ma;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int tt = 1;
    //cin >> tt;
    while (tt--) {
        solve();
    }
    return 0;
}

Compilation message

prison.cpp: In function 'void solve()':
prison.cpp:38:15: warning: unused variable 'k' [-Wunused-variable]
   38 |     int n, d, k, t;
      |               ^
prison.cpp:84:28: warning: iteration 500010 invokes undefined behavior [-Waggressive-loop-optimizations]
   84 |             achqisjoga[hh] = 0;
      |             ~~~~~~~~~~~~~~~^~~
prison.cpp:82:29: note: within this loop
   82 |         for (int hh = 0; hh <= N; hh++)
      |                          ~~~^~~~
prison.cpp:84:28: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [2000040, 2000043] is out of the bounds [0, 2000040] of object 'achqisjoga' with type 'int [500010]' [-Warray-bounds]
   84 |             achqisjoga[hh] = 0;
      |             ~~~~~~~~~~~~~~~^~~
prison.cpp:34:5: note: 'achqisjoga' declared here
   34 | int achqisjoga[N];
      |     ^~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 2 ms 8792 KB Output is correct
4 Correct 3 ms 8796 KB Output is correct
5 Correct 5 ms 8796 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 3 ms 8796 KB Output is correct
8 Correct 2 ms 8792 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 4 ms 8796 KB Output is correct
11 Correct 5 ms 8796 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Correct 46 ms 12196 KB Output is correct
3 Correct 45 ms 12884 KB Output is correct
4 Correct 43 ms 11860 KB Output is correct
5 Correct 30 ms 10068 KB Output is correct
6 Correct 38 ms 10072 KB Output is correct
7 Correct 36 ms 9972 KB Output is correct
8 Correct 44 ms 10144 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 2 ms 8792 KB Output is correct
4 Correct 3 ms 8796 KB Output is correct
5 Correct 5 ms 8796 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 3 ms 8796 KB Output is correct
8 Correct 2 ms 8792 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 4 ms 8796 KB Output is correct
11 Correct 5 ms 8796 KB Output is correct
12 Correct 1 ms 8792 KB Output is correct
13 Correct 2 ms 8796 KB Output is correct
14 Correct 2 ms 8796 KB Output is correct
15 Correct 3 ms 8840 KB Output is correct
16 Correct 5 ms 8868 KB Output is correct
17 Correct 2 ms 8792 KB Output is correct
18 Correct 3 ms 8796 KB Output is correct
19 Correct 2 ms 8860 KB Output is correct
20 Correct 2 ms 8796 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 5 ms 8796 KB Output is correct
23 Correct 8 ms 8796 KB Output is correct
24 Correct 15 ms 8796 KB Output is correct
25 Correct 20 ms 8904 KB Output is correct
26 Correct 25 ms 8796 KB Output is correct
27 Correct 30 ms 8880 KB Output is correct
28 Correct 6 ms 8792 KB Output is correct
29 Correct 8 ms 8676 KB Output is correct
30 Correct 8 ms 8796 KB Output is correct
31 Correct 15 ms 8876 KB Output is correct
32 Correct 7 ms 8792 KB Output is correct
33 Correct 7 ms 8700 KB Output is correct
34 Correct 5 ms 8796 KB Output is correct
35 Correct 30 ms 8888 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Correct 18 ms 9052 KB Output is correct
3 Correct 19 ms 9820 KB Output is correct
4 Correct 17 ms 9564 KB Output is correct
5 Correct 12 ms 9660 KB Output is correct
6 Correct 13 ms 9564 KB Output is correct
7 Correct 14 ms 9308 KB Output is correct
8 Correct 13 ms 9376 KB Output is correct
9 Correct 12 ms 9308 KB Output is correct
10 Correct 12 ms 9384 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 2 ms 8792 KB Output is correct
4 Correct 3 ms 8796 KB Output is correct
5 Correct 5 ms 8796 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 3 ms 8796 KB Output is correct
8 Correct 2 ms 8792 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 4 ms 8796 KB Output is correct
11 Correct 5 ms 8796 KB Output is correct
12 Correct 1 ms 8792 KB Output is correct
13 Correct 2 ms 8796 KB Output is correct
14 Correct 2 ms 8796 KB Output is correct
15 Correct 3 ms 8840 KB Output is correct
16 Correct 5 ms 8868 KB Output is correct
17 Correct 2 ms 8792 KB Output is correct
18 Correct 3 ms 8796 KB Output is correct
19 Correct 2 ms 8860 KB Output is correct
20 Correct 2 ms 8796 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 5 ms 8796 KB Output is correct
23 Correct 8 ms 8796 KB Output is correct
24 Correct 15 ms 8796 KB Output is correct
25 Correct 20 ms 8904 KB Output is correct
26 Correct 25 ms 8796 KB Output is correct
27 Correct 30 ms 8880 KB Output is correct
28 Correct 6 ms 8792 KB Output is correct
29 Correct 8 ms 8676 KB Output is correct
30 Correct 8 ms 8796 KB Output is correct
31 Correct 15 ms 8876 KB Output is correct
32 Correct 7 ms 8792 KB Output is correct
33 Correct 7 ms 8700 KB Output is correct
34 Correct 5 ms 8796 KB Output is correct
35 Correct 30 ms 8888 KB Output is correct
36 Correct 1 ms 8796 KB Output is correct
37 Correct 18 ms 9052 KB Output is correct
38 Correct 19 ms 9820 KB Output is correct
39 Correct 17 ms 9564 KB Output is correct
40 Correct 12 ms 9660 KB Output is correct
41 Correct 13 ms 9564 KB Output is correct
42 Correct 14 ms 9308 KB Output is correct
43 Correct 13 ms 9376 KB Output is correct
44 Correct 12 ms 9308 KB Output is correct
45 Correct 12 ms 9384 KB Output is correct
46 Correct 1 ms 8796 KB Output is correct
47 Correct 2 ms 8796 KB Output is correct
48 Correct 4 ms 8796 KB Output is correct
49 Correct 4 ms 8660 KB Output is correct
50 Correct 5 ms 8796 KB Output is correct
51 Correct 1 ms 8680 KB Output is correct
52 Correct 3 ms 8792 KB Output is correct
53 Correct 2 ms 8792 KB Output is correct
54 Correct 2 ms 8796 KB Output is correct
55 Correct 3 ms 8656 KB Output is correct
56 Correct 5 ms 8792 KB Output is correct
57 Correct 9 ms 8796 KB Output is correct
58 Correct 14 ms 8912 KB Output is correct
59 Correct 19 ms 8796 KB Output is correct
60 Correct 26 ms 8796 KB Output is correct
61 Correct 29 ms 8796 KB Output is correct
62 Correct 7 ms 8708 KB Output is correct
63 Correct 6 ms 8796 KB Output is correct
64 Correct 8 ms 8796 KB Output is correct
65 Correct 15 ms 8880 KB Output is correct
66 Correct 8 ms 8796 KB Output is correct
67 Correct 8 ms 8792 KB Output is correct
68 Correct 5 ms 8792 KB Output is correct
69 Correct 29 ms 8796 KB Output is correct
70 Correct 1 ms 8796 KB Output is correct
71 Correct 18 ms 9780 KB Output is correct
72 Correct 19 ms 9816 KB Output is correct
73 Correct 14 ms 9308 KB Output is correct
74 Correct 12 ms 9560 KB Output is correct
75 Correct 15 ms 9560 KB Output is correct
76 Correct 14 ms 9288 KB Output is correct
77 Correct 14 ms 9304 KB Output is correct
78 Correct 13 ms 9308 KB Output is correct
79 Correct 18 ms 9296 KB Output is correct
80 Execution timed out 2051 ms 9744 KB Time limit exceeded
81 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8796 KB Output is correct
2 Correct 2 ms 8796 KB Output is correct
3 Correct 2 ms 8792 KB Output is correct
4 Correct 3 ms 8796 KB Output is correct
5 Correct 5 ms 8796 KB Output is correct
6 Correct 2 ms 8796 KB Output is correct
7 Correct 3 ms 8796 KB Output is correct
8 Correct 2 ms 8792 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 4 ms 8796 KB Output is correct
11 Correct 5 ms 8796 KB Output is correct
12 Correct 1 ms 8796 KB Output is correct
13 Correct 46 ms 12196 KB Output is correct
14 Correct 45 ms 12884 KB Output is correct
15 Correct 43 ms 11860 KB Output is correct
16 Correct 30 ms 10068 KB Output is correct
17 Correct 38 ms 10072 KB Output is correct
18 Correct 36 ms 9972 KB Output is correct
19 Correct 44 ms 10144 KB Output is correct
20 Correct 1 ms 8792 KB Output is correct
21 Correct 2 ms 8796 KB Output is correct
22 Correct 2 ms 8796 KB Output is correct
23 Correct 3 ms 8840 KB Output is correct
24 Correct 5 ms 8868 KB Output is correct
25 Correct 2 ms 8792 KB Output is correct
26 Correct 3 ms 8796 KB Output is correct
27 Correct 2 ms 8860 KB Output is correct
28 Correct 2 ms 8796 KB Output is correct
29 Correct 4 ms 8796 KB Output is correct
30 Correct 5 ms 8796 KB Output is correct
31 Correct 8 ms 8796 KB Output is correct
32 Correct 15 ms 8796 KB Output is correct
33 Correct 20 ms 8904 KB Output is correct
34 Correct 25 ms 8796 KB Output is correct
35 Correct 30 ms 8880 KB Output is correct
36 Correct 6 ms 8792 KB Output is correct
37 Correct 8 ms 8676 KB Output is correct
38 Correct 8 ms 8796 KB Output is correct
39 Correct 15 ms 8876 KB Output is correct
40 Correct 7 ms 8792 KB Output is correct
41 Correct 7 ms 8700 KB Output is correct
42 Correct 5 ms 8796 KB Output is correct
43 Correct 30 ms 8888 KB Output is correct
44 Correct 1 ms 8796 KB Output is correct
45 Correct 18 ms 9052 KB Output is correct
46 Correct 19 ms 9820 KB Output is correct
47 Correct 17 ms 9564 KB Output is correct
48 Correct 12 ms 9660 KB Output is correct
49 Correct 13 ms 9564 KB Output is correct
50 Correct 14 ms 9308 KB Output is correct
51 Correct 13 ms 9376 KB Output is correct
52 Correct 12 ms 9308 KB Output is correct
53 Correct 12 ms 9384 KB Output is correct
54 Correct 1 ms 8796 KB Output is correct
55 Correct 2 ms 8796 KB Output is correct
56 Correct 4 ms 8796 KB Output is correct
57 Correct 4 ms 8660 KB Output is correct
58 Correct 5 ms 8796 KB Output is correct
59 Correct 1 ms 8680 KB Output is correct
60 Correct 3 ms 8792 KB Output is correct
61 Correct 2 ms 8792 KB Output is correct
62 Correct 2 ms 8796 KB Output is correct
63 Correct 3 ms 8656 KB Output is correct
64 Correct 5 ms 8792 KB Output is correct
65 Correct 9 ms 8796 KB Output is correct
66 Correct 14 ms 8912 KB Output is correct
67 Correct 19 ms 8796 KB Output is correct
68 Correct 26 ms 8796 KB Output is correct
69 Correct 29 ms 8796 KB Output is correct
70 Correct 7 ms 8708 KB Output is correct
71 Correct 6 ms 8796 KB Output is correct
72 Correct 8 ms 8796 KB Output is correct
73 Correct 15 ms 8880 KB Output is correct
74 Correct 8 ms 8796 KB Output is correct
75 Correct 8 ms 8792 KB Output is correct
76 Correct 5 ms 8792 KB Output is correct
77 Correct 29 ms 8796 KB Output is correct
78 Correct 1 ms 8796 KB Output is correct
79 Correct 18 ms 9780 KB Output is correct
80 Correct 19 ms 9816 KB Output is correct
81 Correct 14 ms 9308 KB Output is correct
82 Correct 12 ms 9560 KB Output is correct
83 Correct 15 ms 9560 KB Output is correct
84 Correct 14 ms 9288 KB Output is correct
85 Correct 14 ms 9304 KB Output is correct
86 Correct 13 ms 9308 KB Output is correct
87 Correct 18 ms 9296 KB Output is correct
88 Execution timed out 2051 ms 9744 KB Time limit exceeded
89 Halted 0 ms 0 KB -