oj.uz

Submission #503356

# Submission time Handle Problem Language Result Execution time Memory
503356 2022-01-07T17:31:47 Z lukameladze K blocks (IZhO14_blocks) C++14
100 / 100
 436 ms 168504 KB 
# include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define int long long
#define pii pair <int, int> 
using namespace std;
const int N = 1e5 + 5;
int a[N],n,k,cur,pr[N];
pair <int, int > dp[N][105];
stack < pii > st;
main() {
    cin>>n>>k;
    for (int i = 1; i <= n; i++) {
        cin>>a[i];
    }
    dp[0][0] = {0,0};
    for (int i = 1; i <= n; i++) {
        dp[i][0] = {1e9,1e9};
    }
    for (int i = 1; i <= n; i++) {
        cur = i - 1;
        while (a[cur] <= a[i] && cur) {
            cur = pr[cur];
        }
        pr[i] = cur;
    }
    for (int i = 1; i <= k; i++) {
        while (st.size()) st.pop();
        for (int j = i; j <= n; j++) {
            dp[j][i] = {dp[j - 1][i - 1].f + dp[j - 1][i - 1].s, a[j]};
            while (st.size() && st.top().s <= a[j]) {
                if (dp[j][i].f + dp[j][i].s > st.top().f + a[j]) {
                    dp[j][i] = {st.top().f, a[j]};
                }
                st.pop();
            }
            if (pr[j] && pr[j] >= i) {
                if (dp[pr[j]][i].f + dp[pr[j]][i].s < dp[j][i].f + dp[j][i].s) {
                    dp[j][i] = dp[pr[j]][i];
                }
            }
            st.push(dp[j][i]);
        }
    }
    cout<<dp[n][k].f + dp[n][k].s<<endl;
}

Compilation message

blocks.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main() {
      | ^~~~

Subtask #1
14.0 / 14.0

# 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 0 ms 204 KB Output is correct
5 Correct 0 ms 296 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 432 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 1 ms 460 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 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 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 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 0 ms 300 KB Output is correct
19 Correct 0 ms 304 KB Output is correct
20 Correct 0 ms 332 KB Output is correct

Subtask #3
21.0 / 21.0

# 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 0 ms 204 KB Output is correct
5 Correct 0 ms 296 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 432 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 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 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 0 ms 300 KB Output is correct
37 Correct 0 ms 304 KB Output is correct
38 Correct 0 ms 332 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 1 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 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 424 KB Output is correct
52 Correct 1 ms 460 KB Output is correct
53 Correct 1 ms 412 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 460 KB Output is correct
56 Correct 1 ms 460 KB Output is correct
57 Correct 1 ms 432 KB Output is correct

Subtask #4
47.0 / 47.0

# 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 0 ms 204 KB Output is correct
5 Correct 0 ms 296 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 432 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 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 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 0 ms 300 KB Output is correct
37 Correct 0 ms 304 KB Output is correct
38 Correct 0 ms 332 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 1 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 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 424 KB Output is correct
52 Correct 1 ms 460 KB Output is correct
53 Correct 1 ms 412 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 460 KB Output is correct
56 Correct 1 ms 460 KB Output is correct
57 Correct 1 ms 432 KB Output is correct
58 Correct 15 ms 16972 KB Output is correct
59 Correct 42 ms 74292 KB Output is correct
60 Correct 50 ms 74312 KB Output is correct
61 Correct 116 ms 74468 KB Output is correct
62 Correct 434 ms 166852 KB Output is correct
63 Correct 96 ms 166832 KB Output is correct
64 Correct 233 ms 166832 KB Output is correct
65 Correct 1 ms 460 KB Output is correct
66 Correct 0 ms 460 KB Output is correct
67 Correct 1 ms 428 KB Output is correct
68 Correct 1 ms 420 KB Output is correct
69 Correct 2 ms 1996 KB Output is correct
70 Correct 2 ms 1872 KB Output is correct
71 Correct 31 ms 17104 KB Output is correct
72 Correct 10 ms 17100 KB Output is correct
73 Correct 15 ms 17024 KB Output is correct
74 Correct 44 ms 74484 KB Output is correct
75 Correct 49 ms 74996 KB Output is correct
76 Correct 115 ms 74944 KB Output is correct
77 Correct 436 ms 167492 KB Output is correct
78 Correct 95 ms 167440 KB Output is correct
79 Correct 221 ms 167768 KB Output is correct
80 Correct 92 ms 167220 KB Output is correct
81 Correct 117 ms 167216 KB Output is correct
82 Correct 372 ms 167412 KB Output is correct
83 Correct 1 ms 1972 KB Output is correct
84 Correct 2 ms 1996 KB Output is correct
85 Correct 29 ms 17076 KB Output is correct
86 Correct 10 ms 17100 KB Output is correct
87 Correct 14 ms 17140 KB Output is correct
88 Correct 43 ms 75056 KB Output is correct
89 Correct 49 ms 75052 KB Output is correct
90 Correct 125 ms 75076 KB Output is correct
91 Correct 410 ms 168496 KB Output is correct
92 Correct 97 ms 168496 KB Output is correct
93 Correct 231 ms 168504 KB Output is correct
94 Correct 10 ms 16972 KB Output is correct
95 Correct 28 ms 16844 KB Output is correct
96 Correct 2 ms 1868 KB Output is correct
97 Correct 1 ms 1836 KB Output is correct
98 Correct 0 ms 292 KB Output is correct
99 Correct 0 ms 332 KB Output is correct