oj.uz

Submission #311860

# Submission time Handle Problem Language Result Execution time Memory
311860 2020-10-12T01:23:00 Z nikatamliani K blocks (IZhO14_blocks) C++14
100 / 100
 484 ms 59808 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10, K = 105, oo = 1e9;
int n, k, a[N], dp[N][K];
int main() {
  	ios::sync_with_stdio(0); cin.tie(0);
    cin >> n >> k;
    for(int i = 1; i <= n; ++i) {
        cin >> a[i];
    }
    for(int i = 0; i < N; ++i) {
        for(int j = 0; j < K; ++j) {
            dp[i][j] = oo;
        }
    }
    stack < int > st;
    dp[0][0] = 0;
    vector < int > v[k + 1];
    v[0].push_back(0);
    // for(int i = 0; i <= k; ++i) v[i].push_back(0);
    for(int i = 1; i <= n; ++i) {
        while(!st.empty() && a[st.top()] <= a[i]) st.pop();
        int x = 0;
        if(!st.empty()) x = st.top();
        for(int j = min(i, k); j >= 1; --j) {
            dp[i][j] = dp[x][j];
            int l = 0, r = (int)v[j - 1].size() - 1, ans = -1;
            while(r >= l) {
                int m = l + r >> 1;
                if(v[j - 1][m] >= x) {
                    ans = v[j - 1][m];
                    r = m - 1;
                } else {
                    l = m + 1;
                }
            }
            if(~ans)dp[i][j] = min(dp[ans][j - 1] + a[i], dp[i][j]);
            while(!v[j].empty() && dp[v[j].back()][j] >= dp[i][j]) v[j].pop_back();
            v[j].push_back(i);
        }
        st.push(i);
    }
    cout << dp[n][k] << '\n';
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:29:27: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |                 int m = l + r >> 1;
      |                         ~~^~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 41472 KB Output is correct
2 Correct 28 ms 41464 KB Output is correct
3 Correct 28 ms 41464 KB Output is correct
4 Correct 28 ms 41472 KB Output is correct
5 Correct 28 ms 41472 KB Output is correct
6 Correct 29 ms 41472 KB Output is correct
7 Correct 28 ms 41600 KB Output is correct
8 Correct 29 ms 41472 KB Output is correct
9 Correct 28 ms 41464 KB Output is correct
10 Correct 28 ms 41472 KB Output is correct
11 Correct 28 ms 41464 KB Output is correct
12 Correct 28 ms 41464 KB Output is correct
13 Correct 28 ms 41464 KB Output is correct
14 Correct 29 ms 41464 KB Output is correct
15 Correct 29 ms 41464 KB Output is correct
16 Correct 28 ms 41472 KB Output is correct
17 Correct 28 ms 41464 KB Output is correct
18 Correct 28 ms 41464 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 41464 KB Output is correct
2 Correct 28 ms 41472 KB Output is correct
3 Correct 29 ms 41472 KB Output is correct
4 Correct 28 ms 41464 KB Output is correct
5 Correct 28 ms 41472 KB Output is correct
6 Correct 28 ms 41464 KB Output is correct
7 Correct 28 ms 41416 KB Output is correct
8 Correct 28 ms 41464 KB Output is correct
9 Correct 28 ms 41472 KB Output is correct
10 Correct 28 ms 41472 KB Output is correct
11 Correct 29 ms 41472 KB Output is correct
12 Correct 28 ms 41464 KB Output is correct
13 Correct 28 ms 41472 KB Output is correct
14 Correct 28 ms 41472 KB Output is correct
15 Correct 29 ms 41472 KB Output is correct
16 Correct 29 ms 41464 KB Output is correct
17 Correct 28 ms 41488 KB Output is correct
18 Correct 28 ms 41472 KB Output is correct
19 Correct 28 ms 41464 KB Output is correct
20 Correct 29 ms 41472 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 41472 KB Output is correct
2 Correct 28 ms 41464 KB Output is correct
3 Correct 28 ms 41464 KB Output is correct
4 Correct 28 ms 41472 KB Output is correct
5 Correct 28 ms 41472 KB Output is correct
6 Correct 29 ms 41472 KB Output is correct
7 Correct 28 ms 41600 KB Output is correct
8 Correct 29 ms 41472 KB Output is correct
9 Correct 28 ms 41464 KB Output is correct
10 Correct 28 ms 41472 KB Output is correct
11 Correct 28 ms 41464 KB Output is correct
12 Correct 28 ms 41464 KB Output is correct
13 Correct 28 ms 41464 KB Output is correct
14 Correct 29 ms 41464 KB Output is correct
15 Correct 29 ms 41464 KB Output is correct
16 Correct 28 ms 41472 KB Output is correct
17 Correct 28 ms 41464 KB Output is correct
18 Correct 28 ms 41464 KB Output is correct
19 Correct 29 ms 41464 KB Output is correct
20 Correct 28 ms 41472 KB Output is correct
21 Correct 29 ms 41472 KB Output is correct
22 Correct 28 ms 41464 KB Output is correct
23 Correct 28 ms 41472 KB Output is correct
24 Correct 28 ms 41464 KB Output is correct
25 Correct 28 ms 41416 KB Output is correct
26 Correct 28 ms 41464 KB Output is correct
27 Correct 28 ms 41472 KB Output is correct
28 Correct 28 ms 41472 KB Output is correct
29 Correct 29 ms 41472 KB Output is correct
30 Correct 28 ms 41464 KB Output is correct
31 Correct 28 ms 41472 KB Output is correct
32 Correct 28 ms 41472 KB Output is correct
33 Correct 29 ms 41472 KB Output is correct
34 Correct 29 ms 41464 KB Output is correct
35 Correct 28 ms 41488 KB Output is correct
36 Correct 28 ms 41472 KB Output is correct
37 Correct 28 ms 41464 KB Output is correct
38 Correct 29 ms 41472 KB Output is correct
39 Correct 28 ms 41464 KB Output is correct
40 Correct 29 ms 41472 KB Output is correct
41 Correct 28 ms 41464 KB Output is correct
42 Correct 29 ms 41472 KB Output is correct
43 Correct 29 ms 41464 KB Output is correct
44 Correct 30 ms 41472 KB Output is correct
45 Correct 28 ms 41464 KB Output is correct
46 Correct 28 ms 41472 KB Output is correct
47 Correct 29 ms 41592 KB Output is correct
48 Correct 28 ms 41600 KB Output is correct
49 Correct 29 ms 41464 KB Output is correct
50 Correct 28 ms 41464 KB Output is correct
51 Correct 29 ms 41464 KB Output is correct
52 Correct 28 ms 41472 KB Output is correct
53 Correct 28 ms 41464 KB Output is correct
54 Correct 28 ms 41464 KB Output is correct
55 Correct 29 ms 41464 KB Output is correct
56 Correct 28 ms 41472 KB Output is correct
57 Correct 28 ms 41592 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 41472 KB Output is correct
2 Correct 28 ms 41464 KB Output is correct
3 Correct 28 ms 41464 KB Output is correct
4 Correct 28 ms 41472 KB Output is correct
5 Correct 28 ms 41472 KB Output is correct
6 Correct 29 ms 41472 KB Output is correct
7 Correct 28 ms 41600 KB Output is correct
8 Correct 29 ms 41472 KB Output is correct
9 Correct 28 ms 41464 KB Output is correct
10 Correct 28 ms 41472 KB Output is correct
11 Correct 28 ms 41464 KB Output is correct
12 Correct 28 ms 41464 KB Output is correct
13 Correct 28 ms 41464 KB Output is correct
14 Correct 29 ms 41464 KB Output is correct
15 Correct 29 ms 41464 KB Output is correct
16 Correct 28 ms 41472 KB Output is correct
17 Correct 28 ms 41464 KB Output is correct
18 Correct 28 ms 41464 KB Output is correct
19 Correct 29 ms 41464 KB Output is correct
20 Correct 28 ms 41472 KB Output is correct
21 Correct 29 ms 41472 KB Output is correct
22 Correct 28 ms 41464 KB Output is correct
23 Correct 28 ms 41472 KB Output is correct
24 Correct 28 ms 41464 KB Output is correct
25 Correct 28 ms 41416 KB Output is correct
26 Correct 28 ms 41464 KB Output is correct
27 Correct 28 ms 41472 KB Output is correct
28 Correct 28 ms 41472 KB Output is correct
29 Correct 29 ms 41472 KB Output is correct
30 Correct 28 ms 41464 KB Output is correct
31 Correct 28 ms 41472 KB Output is correct
32 Correct 28 ms 41472 KB Output is correct
33 Correct 29 ms 41472 KB Output is correct
34 Correct 29 ms 41464 KB Output is correct
35 Correct 28 ms 41488 KB Output is correct
36 Correct 28 ms 41472 KB Output is correct
37 Correct 28 ms 41464 KB Output is correct
38 Correct 29 ms 41472 KB Output is correct
39 Correct 28 ms 41464 KB Output is correct
40 Correct 29 ms 41472 KB Output is correct
41 Correct 28 ms 41464 KB Output is correct
42 Correct 29 ms 41472 KB Output is correct
43 Correct 29 ms 41464 KB Output is correct
44 Correct 30 ms 41472 KB Output is correct
45 Correct 28 ms 41464 KB Output is correct
46 Correct 28 ms 41472 KB Output is correct
47 Correct 29 ms 41592 KB Output is correct
48 Correct 28 ms 41600 KB Output is correct
49 Correct 29 ms 41464 KB Output is correct
50 Correct 28 ms 41464 KB Output is correct
51 Correct 29 ms 41464 KB Output is correct
52 Correct 28 ms 41472 KB Output is correct
53 Correct 28 ms 41464 KB Output is correct
54 Correct 28 ms 41464 KB Output is correct
55 Correct 29 ms 41464 KB Output is correct
56 Correct 28 ms 41472 KB Output is correct
57 Correct 28 ms 41592 KB Output is correct
58 Correct 37 ms 41948 KB Output is correct
59 Correct 35 ms 41976 KB Output is correct
60 Correct 43 ms 42364 KB Output is correct
61 Correct 143 ms 47096 KB Output is correct
62 Correct 484 ms 59808 KB Output is correct
63 Correct 50 ms 43128 KB Output is correct
64 Correct 201 ms 50452 KB Output is correct
65 Correct 28 ms 41464 KB Output is correct
66 Correct 28 ms 41464 KB Output is correct
67 Correct 28 ms 41464 KB Output is correct
68 Correct 30 ms 41464 KB Output is correct
69 Correct 29 ms 41464 KB Output is correct
70 Correct 29 ms 41464 KB Output is correct
71 Correct 49 ms 41592 KB Output is correct
72 Correct 30 ms 41600 KB Output is correct
73 Correct 35 ms 41600 KB Output is correct
74 Correct 36 ms 41848 KB Output is correct
75 Correct 43 ms 41888 KB Output is correct
76 Correct 100 ms 41976 KB Output is correct
77 Correct 243 ms 42708 KB Output is correct
78 Correct 49 ms 42492 KB Output is correct
79 Correct 139 ms 42488 KB Output is correct
80 Correct 42 ms 42488 KB Output is correct
81 Correct 65 ms 42488 KB Output is correct
82 Correct 229 ms 42588 KB Output is correct
83 Correct 28 ms 41464 KB Output is correct
84 Correct 29 ms 41472 KB Output is correct
85 Correct 41 ms 41612 KB Output is correct
86 Correct 32 ms 41592 KB Output is correct
87 Correct 33 ms 41600 KB Output is correct
88 Correct 34 ms 41984 KB Output is correct
89 Correct 41 ms 41980 KB Output is correct
90 Correct 75 ms 42104 KB Output is correct
91 Correct 152 ms 42744 KB Output is correct
92 Correct 48 ms 42616 KB Output is correct
93 Correct 97 ms 42616 KB Output is correct
94 Correct 30 ms 41600 KB Output is correct
95 Correct 59 ms 43260 KB Output is correct
96 Correct 29 ms 41472 KB Output is correct
97 Correct 28 ms 41464 KB Output is correct
98 Correct 29 ms 41464 KB Output is correct
99 Correct 28 ms 41440 KB Output is correct