oj.uz

Submission #95251

# Submission time Handle Problem Language Result Execution time Memory
95251 2019-01-29T05:19:25 Z win11905 K blocks (IZhO14_blocks) C++11
100 / 100
 168 ms 43136 KB 
/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author win11905
 */

#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define vi vector<int>
#define iii tuple<int, int, int>
#define long long long
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const long MOD = 1e9+7, LINF = 1e18 + 1e16;
const int INF = 1e9+1;
const double EPS = 1e-10;
const int dx[4] = {-1, 0, 1, 0}, dy[4] = {0, 1, 0, -1};

const int N = 1e5+5;
const int K = 1e2+5;

class blocks {
private:
    int n, k;
    int dp[K][N];
    int A[N];
public:
    void solve(istream& cin, ostream& cout) {
        cin >> n >> k;
        for(int i = 1; i <= n; ++i) cin >> A[i];
        for(int i = 1; i <= n; ++i) dp[1][i] = max(dp[1][i-1], A[i]);
        for(int i = 2; i <= k; ++i) {
            stack<iii> stk;
            for(int j = i; j <= n; ++j) {
                int mn = dp[i-1][j-1];
                while(!stk.empty() && get<0>(stk.top()) <= A[j]) mn = min(mn, get<1>(stk.top())), stk.pop();
                stk.emplace(A[j], mn, min(mn + A[j], stk.empty() ? INF : get<2>(stk.top())));
                dp[i][j] = get<2>(stk.top());
            }
        }
        cout << dp[k][n] << endl;
    }
};

class Solver {
public:
    void solve(std::istream& in, std::ostream& out) {
        blocks *obj = new blocks();
        obj->solve(in, out);
    }
};

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    Solver solver;
    std::istream& in(std::cin);
    std::ostream& out(std::cout);
    solver.solve(in, out);
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41848 KB Output is correct
2 Correct 30 ms 41848 KB Output is correct
3 Correct 29 ms 41848 KB Output is correct
4 Correct 30 ms 41848 KB Output is correct
5 Correct 29 ms 41848 KB Output is correct
6 Correct 29 ms 41848 KB Output is correct
7 Correct 29 ms 41848 KB Output is correct
8 Correct 81 ms 41848 KB Output is correct
9 Correct 32 ms 41784 KB Output is correct
10 Correct 34 ms 41848 KB Output is correct
11 Correct 34 ms 41844 KB Output is correct
12 Correct 35 ms 41848 KB Output is correct
13 Correct 35 ms 41848 KB Output is correct
14 Correct 34 ms 41848 KB Output is correct
15 Correct 35 ms 41848 KB Output is correct
16 Correct 35 ms 41848 KB Output is correct
17 Correct 34 ms 41848 KB Output is correct
18 Correct 34 ms 41848 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 41848 KB Output is correct
2 Correct 34 ms 41820 KB Output is correct
3 Correct 34 ms 41848 KB Output is correct
4 Correct 34 ms 41848 KB Output is correct
5 Correct 30 ms 41848 KB Output is correct
6 Correct 35 ms 41796 KB Output is correct
7 Correct 35 ms 41848 KB Output is correct
8 Correct 36 ms 41848 KB Output is correct
9 Correct 30 ms 41848 KB Output is correct
10 Correct 29 ms 41848 KB Output is correct
11 Correct 30 ms 41848 KB Output is correct
12 Correct 29 ms 41848 KB Output is correct
13 Correct 57 ms 41976 KB Output is correct
14 Correct 34 ms 41848 KB Output is correct
15 Correct 29 ms 41848 KB Output is correct
16 Correct 35 ms 41848 KB Output is correct
17 Correct 34 ms 41848 KB Output is correct
18 Correct 34 ms 41848 KB Output is correct
19 Correct 35 ms 41848 KB Output is correct
20 Correct 35 ms 41848 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 41848 KB Output is correct
2 Correct 34 ms 41848 KB Output is correct
3 Correct 34 ms 41848 KB Output is correct
4 Correct 35 ms 41976 KB Output is correct
5 Correct 35 ms 41848 KB Output is correct
6 Correct 34 ms 41848 KB Output is correct
7 Correct 34 ms 41848 KB Output is correct
8 Correct 35 ms 41848 KB Output is correct
9 Correct 35 ms 41848 KB Output is correct
10 Correct 36 ms 41848 KB Output is correct
11 Correct 34 ms 41848 KB Output is correct
12 Correct 35 ms 41848 KB Output is correct
13 Correct 35 ms 41848 KB Output is correct
14 Correct 37 ms 41848 KB Output is correct
15 Correct 35 ms 41848 KB Output is correct
16 Correct 35 ms 41848 KB Output is correct
17 Correct 35 ms 41848 KB Output is correct
18 Correct 34 ms 41848 KB Output is correct
19 Correct 35 ms 41848 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 41848 KB Output is correct
2 Correct 39 ms 41848 KB Output is correct
3 Correct 43 ms 41848 KB Output is correct
4 Correct 73 ms 41860 KB Output is correct
5 Correct 137 ms 42616 KB Output is correct
6 Correct 46 ms 42588 KB Output is correct
7 Correct 83 ms 42616 KB Output is correct
8 Correct 35 ms 41848 KB Output is correct
9 Correct 35 ms 41848 KB Output is correct
10 Correct 35 ms 41848 KB Output is correct
11 Correct 35 ms 41976 KB Output is correct
12 Correct 35 ms 41848 KB Output is correct
13 Correct 35 ms 41848 KB Output is correct
14 Correct 47 ms 41992 KB Output is correct
15 Correct 35 ms 41848 KB Output is correct
16 Correct 40 ms 41932 KB Output is correct
17 Correct 39 ms 42104 KB Output is correct
18 Correct 42 ms 42104 KB Output is correct
19 Correct 79 ms 42104 KB Output is correct
20 Correct 162 ms 42592 KB Output is correct
21 Correct 48 ms 42532 KB Output is correct
22 Correct 98 ms 42616 KB Output is correct
23 Correct 44 ms 42616 KB Output is correct
24 Correct 55 ms 42572 KB Output is correct
25 Correct 163 ms 42668 KB Output is correct
26 Correct 34 ms 41860 KB Output is correct
27 Correct 34 ms 41976 KB Output is correct
28 Correct 47 ms 41976 KB Output is correct
29 Correct 31 ms 41980 KB Output is correct
30 Correct 39 ms 41976 KB Output is correct
31 Correct 39 ms 42232 KB Output is correct
32 Correct 43 ms 42360 KB Output is correct
33 Correct 79 ms 42424 KB Output is correct
34 Correct 168 ms 43136 KB Output is correct
35 Correct 46 ms 43000 KB Output is correct
36 Correct 101 ms 43052 KB Output is correct
37 Correct 36 ms 41976 KB Output is correct
38 Correct 45 ms 41848 KB Output is correct
39 Correct 34 ms 41848 KB Output is correct
40 Correct 81 ms 41848 KB Output is correct
41 Correct 29 ms 41848 KB Output is correct
42 Correct 29 ms 41848 KB Output is correct