oj.uz

Submission #516919

# Submission time Handle Problem Language Result Execution time Memory
516919 2022-01-22T08:22:25 Z Be_dos K blocks (IZhO14_blocks) C++17
100 / 100
 212 ms 2572 KB 
#include <iostream>
#include <cmath>
#include <cctype>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <deque>
#include <stack>
#include <unordered_set>
#include <sstream>
#include <cstring>
#include <iomanip>
#include <queue>
#include <unordered_map>
#include <random>
#include <cfloat>
#include <chrono>
#include <bitset>
#include <complex>
#include <immintrin.h>
#include <cassert>

#define INF 1'000'000'000

struct Segment {
    int32_t val;
    int32_t dp_min;

    int32_t stack_min;

    Segment(int32_t val_, int32_t dp_min_, int32_t stack_min_) {
        val = val_;
        dp_min = dp_min_;
        stack_min = stack_min_;
    }
};

int32_t* arr;
void advance(int32_t n, int32_t* dp, int32_t* dp2) {
    dp2[0] = INF;
    std::stack<Segment> segments;
    for(int32_t i = 1; i <= n; i++) {
        int32_t min_new = dp[i - 1];
        while(segments.size() > 0 && segments.top().val <= arr[i - 1]) {
            min_new = std::min(min_new, segments.top().dp_min);
            segments.pop();
        }
        segments.emplace(arr[i - 1], min_new, std::min(min_new + arr[i - 1], segments.empty() ? INF : segments.top().stack_min));

        dp2[i] = segments.top().stack_min;
    }
}

int main() {
    int32_t n, k;
    std::cin >> n >> k;

    arr = new int32_t[n];
    std::mt19937 rng;
    for(int32_t i = 0; i < n; i++)
        std::cin >> arr[i];
        //arr[i] = rng() % 100;

    int32_t* dp = new int32_t[n + 1];
    dp[0] = 0;
    for(int32_t i = 1; i <= n; i++)
        dp[i] = std::max(dp[i - 1], arr[i - 1]);
    dp[0] = INF;

    int32_t* dp2 = new int32_t[n + 1];
    for(int32_t i = 1; i < k; i++) {
        advance(n, dp, dp2);

        int32_t* tmp = dp;
        dp = dp2;
        dp2 = tmp;
    }

    std::cout << dp[n];
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct

Subtask #2
18.0 / 18.0

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

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 7 ms 384 KB Output is correct
59 Correct 14 ms 936 KB Output is correct
60 Correct 16 ms 1032 KB Output is correct
61 Correct 61 ms 1220 KB Output is correct
62 Correct 160 ms 2116 KB Output is correct
63 Correct 33 ms 2124 KB Output is correct
64 Correct 86 ms 2116 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 0 ms 292 KB Output is correct
67 Correct 0 ms 204 KB Output is correct
68 Correct 0 ms 204 KB Output is correct
69 Correct 1 ms 204 KB Output is correct
70 Correct 2 ms 204 KB Output is correct
71 Correct 22 ms 352 KB Output is correct
72 Correct 4 ms 452 KB Output is correct
73 Correct 8 ms 344 KB Output is correct
74 Correct 14 ms 944 KB Output is correct
75 Correct 16 ms 1116 KB Output is correct
76 Correct 73 ms 1064 KB Output is correct
77 Correct 209 ms 2260 KB Output is correct
78 Correct 34 ms 2104 KB Output is correct
79 Correct 116 ms 2116 KB Output is correct
80 Correct 31 ms 1712 KB Output is correct
81 Correct 52 ms 2124 KB Output is correct
82 Correct 209 ms 2152 KB Output is correct
83 Correct 2 ms 272 KB Output is correct
84 Correct 1 ms 288 KB Output is correct
85 Correct 17 ms 496 KB Output is correct
86 Correct 6 ms 512 KB Output is correct
87 Correct 10 ms 476 KB Output is correct
88 Correct 18 ms 928 KB Output is correct
89 Correct 17 ms 1300 KB Output is correct
90 Correct 69 ms 1292 KB Output is correct
91 Correct 212 ms 2568 KB Output is correct
92 Correct 34 ms 2552 KB Output is correct
93 Correct 99 ms 2572 KB Output is correct
94 Correct 5 ms 348 KB Output is correct
95 Correct 28 ms 460 KB Output is correct
96 Correct 1 ms 204 KB Output is correct
97 Correct 1 ms 204 KB Output is correct
98 Correct 1 ms 204 KB Output is correct
99 Correct 1 ms 204 KB Output is correct