oj.uz

Submission #841392

# Submission time Handle Problem Language Result Execution time Memory
841392 2023-09-01T15:20:02 Z alex_2008 K blocks (IZhO14_blocks) C++17
100 / 100
 226 ms 41684 KB 
#include <iostream>
using namespace std;
const int N = 100100, K = 101;
int dp[N][K], a[N], prevv[N], mn[N];
int main() {
	int n, k;
	scanf("%d%d", &n, &k);
	a[0] = 1e6 + 10;
	for (int i = 1; i <= n; i++) {
		scanf("%d", &a[i]);
		int j = i - 1;
		while (a[j] < a[i]) {
			j = prevv[j];
		}
		prevv[i] = j;
	}
	dp[0][1] = 1e9 + 10;
	dp[1][1]  = a[1];
	for (int i = 2; i <= n; i++) {
		dp[i][1] = max(dp[i - 1][1], a[i]);
	}
	for (int j = 2; j <= k; j++) {
		mn[0] = 1e9 + 10;
		for (int i = 1; i <= n; i++) {
			mn[i] = 1e9 + 10;
			int x = i - 1;
			while (x != prevv[i]) {
				mn[i] = min(mn[i], mn[x]);
			    mn[i] = min(mn[i], dp[x][j - 1]);
				x = prevv[x];
			}
			mn[i] = min(mn[i], dp[prevv[i]][j - 1]);
		}
		for (int i = 0; i <= n; i++) {
			if (i < j) dp[i][j] = 1e9 + 10;
			else {
				dp[i][j] = dp[prevv[i]][j];
				dp[i][j] = min(dp[i][j], mn[i] + a[i]);
			}
		}
	}
	printf("%d\n", dp[n][k]);
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  scanf("%d%d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~
blocks.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   scanf("%d", &a[i]);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 312 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 308 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 312 KB Output is correct
46 Correct 0 ms 308 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 312 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 312 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 0 ms 312 KB Output is correct
56 Correct 1 ms 312 KB Output is correct
57 Correct 0 ms 340 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 308 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 312 KB Output is correct
46 Correct 0 ms 308 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 312 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 312 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 0 ms 312 KB Output is correct
56 Correct 1 ms 312 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 4 ms 4436 KB Output is correct
59 Correct 9 ms 18452 KB Output is correct
60 Correct 13 ms 18664 KB Output is correct
61 Correct 50 ms 18644 KB Output is correct
62 Correct 156 ms 41680 KB Output is correct
63 Correct 25 ms 41684 KB Output is correct
64 Correct 89 ms 41672 KB Output is correct
65 Correct 0 ms 340 KB Output is correct
66 Correct 0 ms 340 KB Output is correct
67 Correct 0 ms 312 KB Output is correct
68 Correct 0 ms 340 KB Output is correct
69 Correct 1 ms 688 KB Output is correct
70 Correct 1 ms 724 KB Output is correct
71 Correct 12 ms 4436 KB Output is correct
72 Correct 2 ms 4436 KB Output is correct
73 Correct 5 ms 4436 KB Output is correct
74 Correct 10 ms 18488 KB Output is correct
75 Correct 13 ms 18644 KB Output is correct
76 Correct 56 ms 18644 KB Output is correct
77 Correct 226 ms 41668 KB Output is correct
78 Correct 25 ms 41664 KB Output is correct
79 Correct 98 ms 41684 KB Output is correct
80 Correct 23 ms 41252 KB Output is correct
81 Correct 36 ms 41588 KB Output is correct
82 Correct 172 ms 41576 KB Output is correct
83 Correct 1 ms 724 KB Output is correct
84 Correct 1 ms 724 KB Output is correct
85 Correct 10 ms 4436 KB Output is correct
86 Correct 2 ms 4436 KB Output is correct
87 Correct 4 ms 4436 KB Output is correct
88 Correct 9 ms 18544 KB Output is correct
89 Correct 12 ms 18724 KB Output is correct
90 Correct 46 ms 18644 KB Output is correct
91 Correct 175 ms 41684 KB Output is correct
92 Correct 25 ms 41628 KB Output is correct
93 Correct 95 ms 41672 KB Output is correct
94 Correct 4 ms 4436 KB Output is correct
95 Correct 11 ms 4420 KB Output is correct
96 Correct 1 ms 700 KB Output is correct
97 Correct 1 ms 724 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 1 ms 312 KB Output is correct