oj.uz

Submission #529951

# Submission time Handle Problem Language Result Execution time Memory
529951 2022-02-24T06:32:17 Z tht2005 K blocks (IZhO14_blocks) C++17
100 / 100
 99 ms 2928 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 100005;
const int INF = 0x3f3f3f3f;
int n, kk, a[N], L[N], f[N], g[N], h[N];

int main() {
    scanf("%d %d", &n, &kk);
    for(int i = 1; i <= n; ++i) {
        scanf("%d", a + i);
        int k = i - 1;
        while(k > 0 && a[i] >= a[k])
            k = L[k];
        L[i] = k;
    }
    f[0] = 0;
    for(int i = 1; i <= n; ++i)
        f[i] = max(f[i - 1], a[i]);
    for(int i = 2; i <= kk; ++i) {
        for(int j = 0; j <= n; ++j) {
            g[j] = f[j];
            f[j] = INF;
        }
        h[i - 1] = INF;
        for(int j = i; j <= n; ++j) {
            h[j] = g[j - 1];
            for(int k = j - 1; k > L[j]; k = L[k])
                h[j] = min(h[j], h[k]);
            f[j] = min(f[L[j]], h[j] + a[j]);
        }
    }
    printf("%d", f[n]);
    return 0;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     scanf("%d %d", &n, &kk);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
blocks.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf("%d", a + i);
      |         ~~~~~^~~~~~~~~~~~~

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 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 0 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 300 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 300 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 1 ms 204 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 304 KB Output is correct
11 Correct 0 ms 304 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 288 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 300 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 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 0 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 300 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 300 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 1 ms 204 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 304 KB Output is correct
29 Correct 0 ms 304 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 288 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 0 ms 300 KB Output is correct
39 Correct 1 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 1 ms 204 KB Output is correct
43 Correct 0 ms 208 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 280 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 304 KB Output is correct
50 Correct 1 ms 208 KB Output is correct
51 Correct 1 ms 208 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 0 ms 204 KB Output is correct
57 Correct 0 ms 204 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 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 0 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 300 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 300 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 1 ms 204 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 304 KB Output is correct
29 Correct 0 ms 304 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 288 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 0 ms 300 KB Output is correct
39 Correct 1 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 1 ms 204 KB Output is correct
43 Correct 0 ms 208 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 280 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 304 KB Output is correct
50 Correct 1 ms 208 KB Output is correct
51 Correct 1 ms 208 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 0 ms 204 KB Output is correct
57 Correct 0 ms 204 KB Output is correct
58 Correct 3 ms 464 KB Output is correct
59 Correct 5 ms 1112 KB Output is correct
60 Correct 7 ms 1460 KB Output is correct
61 Correct 26 ms 1472 KB Output is correct
62 Correct 76 ms 2920 KB Output is correct
63 Correct 12 ms 2896 KB Output is correct
64 Correct 39 ms 2888 KB Output is correct
65 Correct 1 ms 308 KB Output is correct
66 Correct 0 ms 208 KB Output is correct
67 Correct 1 ms 208 KB Output is correct
68 Correct 1 ms 220 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 1 ms 348 KB Output is correct
71 Correct 7 ms 472 KB Output is correct
72 Correct 1 ms 472 KB Output is correct
73 Correct 3 ms 472 KB Output is correct
74 Correct 5 ms 1116 KB Output is correct
75 Correct 7 ms 1492 KB Output is correct
76 Correct 32 ms 1472 KB Output is correct
77 Correct 99 ms 2888 KB Output is correct
78 Correct 13 ms 2860 KB Output is correct
79 Correct 49 ms 2844 KB Output is correct
80 Correct 12 ms 2128 KB Output is correct
81 Correct 19 ms 2896 KB Output is correct
82 Correct 95 ms 2928 KB Output is correct
83 Correct 1 ms 320 KB Output is correct
84 Correct 1 ms 344 KB Output is correct
85 Correct 6 ms 472 KB Output is correct
86 Correct 2 ms 476 KB Output is correct
87 Correct 3 ms 604 KB Output is correct
88 Correct 6 ms 1104 KB Output is correct
89 Correct 6 ms 1472 KB Output is correct
90 Correct 25 ms 1364 KB Output is correct
91 Correct 73 ms 2840 KB Output is correct
92 Correct 12 ms 2836 KB Output is correct
93 Correct 40 ms 2888 KB Output is correct
94 Correct 2 ms 592 KB Output is correct
95 Correct 6 ms 500 KB Output is correct
96 Correct 1 ms 336 KB Output is correct
97 Correct 1 ms 336 KB Output is correct
98 Correct 0 ms 208 KB Output is correct
99 Correct 0 ms 208 KB Output is correct