oj.uz

Submission #156181

# Submission time Handle Problem Language Result Execution time Memory
156181 2019-10-04T09:37:31 Z theboatman Money (IZhO17_money) C++17
45 / 100
 1500 ms 40808 KB 
#include <bits/stdc++.h>

#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>

#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
#pragma comment(linker, "/stack:200000000")

#define y1 theboatman
#define make_struct(args...) {args}

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
template <typename T> using ordered_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

const long long INF = 1e18 + 10;
const int inf = 1e9 + 10;
const int N = 1e6 + 10;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(0);
    cout.tie(0);
    
    int n;
    cin >> n;

    vector <int> a(n);
    for(int i = 0; i < n; i++) {
        cin >> a[i];
    }

    int now = 0, x = 0;
    while(now < n && x <= a[now]) {
        x = a[now];
        now++;
    }

    ordered_set <int> bank;
    for(int i = 0; i < now; i++) {
        bank.insert(a[i]);
    }

    int ans = 0;
    for(int i = now; i < n; i++) {
        ans++;

        int l = *bank.begin(), r = *--bank.end();

        //cout << a[i] << " " << l << " " << r << "\n";
        if (a[i] >= r) {
            int x = 0;
            while(i < n && x <= a[i]) {
                x = a[i];
                bank.insert(x);
                i++;
            }
            i--;
        }
        else {
            vector <int> lazy;
            if (a[i] < l) {
                int x = 0;
                while(i < n && x <= a[i] && a[i] <= l) {
                    x = a[i];
                    lazy.push_back(x);
                    i++;
                }
                i--;
            }
            else {
                int x = 0;
                int les = *--bank.upper_bound(a[i]);

                while(i < n && x <= a[i]) {
                    auto more = bank.lower_bound(a[i]);
                    if (more == bank.end()) {
                        break;
                    }

                    int pos = bank.order_of_key(les);
                    int pos1 = bank.order_of_key(*more);

                    //cout << les << " " << *more << " " << pos << " " << pos1 << " " << i << "\n";

                    if (pos1 - pos <= 1) {
                        x = a[i];
                        lazy.push_back(x);
                        i++;
                    }
                    else {
                        break;
                    }
                }

                i--;
            }

            for(auto it : lazy) {
                bank.insert(it);
            }
        }
    }

    cout << ans + 1 << "\n";
    return 0;
}

/*
find_by_order(X) k -> элемент, нумерация с нуля
order_of_key(X) кол-во < чем X
*/

Compilation message

money.cpp:8:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker, "/stack:200000000")

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 0 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 0 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 252 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 0 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 252 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 3 ms 380 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 0 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 252 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 3 ms 380 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 99 ms 2296 KB Output is correct
40 Correct 185 ms 3448 KB Output is correct
41 Correct 78 ms 1788 KB Output is correct
42 Correct 86 ms 1656 KB Output is correct
43 Correct 63 ms 1272 KB Output is correct
44 Correct 220 ms 4216 KB Output is correct
45 Correct 209 ms 4216 KB Output is correct
46 Correct 217 ms 4216 KB Output is correct
47 Correct 186 ms 4344 KB Output is correct
48 Correct 186 ms 4216 KB Output is correct
49 Correct 1016 ms 22812 KB Output is correct
50 Correct 988 ms 22776 KB Output is correct
51 Correct 1254 ms 22792 KB Output is correct
52 Correct 1133 ms 22712 KB Output is correct
53 Correct 1098 ms 22948 KB Output is correct
54 Correct 1080 ms 22684 KB Output is correct
55 Execution timed out 1571 ms 40808 KB Time limit exceeded
56 Halted 0 ms 0 KB -