oj.uz

Submission #1019274

# Submission time Handle Problem Language Result Execution time Memory
1019274 2024-07-10T16:44:40 Z andrewp K blocks (IZhO14_blocks) C++17
100 / 100
 142 ms 86424 KB 
//Dedicated to my love, ivaziva
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array
#define DBG(x) cout << #x << "= " << x << "\n"

const int mxN=5e5;
const ll inf=(ll)(1e18);
int n, k, a[mxN];
ll dp[mxN][105];

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]=inf;
    }
    int mx=a[1];
    for(int i=1; i<=n; ++i) {
        mx=max(mx, a[i]);
        dp[i][1]=mx;
    }
    for(int j=2; j<=k; ++j) {
        stack<ar<ll, 2>> stk;
        for(int i=1; i<=n; ++i) {
            ll upd=dp[i-1][j-1];
            while(!stk.empty()&&stk.top()[0]<a[i]) {
                upd=min(upd, stk.top()[1]);
                stk.pop();
            }
            if(stk.empty() || a[i]+upd<stk.top()[0]+stk.top()[1]) {
                stk.push({a[i], upd});
            }
            if(j>i) continue;
            dp[i][j]=stk.top()[0]+stk.top()[1];
        }
    }
    cout << dp[n][k] << "\n";
	return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2448 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2392 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2448 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2392 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2392 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 1 ms 2392 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 0 ms 2396 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 0 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 0 ms 2396 KB Output is correct
57 Correct 0 ms 2396 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2448 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2392 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2392 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 1 ms 2392 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 0 ms 2396 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 0 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 0 ms 2396 KB Output is correct
57 Correct 0 ms 2396 KB Output is correct
58 Correct 3 ms 10844 KB Output is correct
59 Correct 11 ms 38876 KB Output is correct
60 Correct 15 ms 39004 KB Output is correct
61 Correct 38 ms 38952 KB Output is correct
62 Correct 110 ms 84564 KB Output is correct
63 Correct 38 ms 85184 KB Output is correct
64 Correct 66 ms 85336 KB Output is correct
65 Correct 0 ms 2396 KB Output is correct
66 Correct 0 ms 2396 KB Output is correct
67 Correct 1 ms 2396 KB Output is correct
68 Correct 0 ms 2396 KB Output is correct
69 Correct 1 ms 4696 KB Output is correct
70 Correct 1 ms 4568 KB Output is correct
71 Correct 9 ms 10588 KB Output is correct
72 Correct 3 ms 10588 KB Output is correct
73 Correct 4 ms 10588 KB Output is correct
74 Correct 12 ms 39260 KB Output is correct
75 Correct 14 ms 39164 KB Output is correct
76 Correct 42 ms 39248 KB Output is correct
77 Correct 111 ms 85360 KB Output is correct
78 Correct 30 ms 85308 KB Output is correct
79 Correct 64 ms 85328 KB Output is correct
80 Correct 29 ms 85172 KB Output is correct
81 Correct 36 ms 85204 KB Output is correct
82 Correct 117 ms 85328 KB Output is correct
83 Correct 1 ms 4700 KB Output is correct
84 Correct 1 ms 4700 KB Output is correct
85 Correct 10 ms 10888 KB Output is correct
86 Correct 2 ms 10844 KB Output is correct
87 Correct 4 ms 10884 KB Output is correct
88 Correct 12 ms 39260 KB Output is correct
89 Correct 15 ms 39660 KB Output is correct
90 Correct 50 ms 39888 KB Output is correct
91 Correct 142 ms 86424 KB Output is correct
92 Correct 31 ms 85848 KB Output is correct
93 Correct 80 ms 86100 KB Output is correct
94 Correct 4 ms 10588 KB Output is correct
95 Correct 8 ms 10588 KB Output is correct
96 Correct 1 ms 4700 KB Output is correct
97 Correct 1 ms 4700 KB Output is correct
98 Correct 1 ms 2396 KB Output is correct
99 Correct 1 ms 2396 KB Output is correct