oj.uz

Submission #879328

# Submission time Handle Problem Language Result Execution time Memory
879328 2023-11-27T07:02:40 Z KN200711 K blocks (IZhO14_blocks) C++14
100 / 100
 157 ms 41324 KB 
# include <bits/stdc++.h>
# define fi first
# define se second
using namespace std;

int dp[100001][101];
stack< pair<int, int> > S;

int main() {
	int N, K;
	scanf("%d %d", &N, &K);
	vector<int> arr(N + 1);
	for(int i=1;i<=N;i++) {
		scanf("%d", &arr[i]);
	}
	for(int i=0;i<=N;i++) {
		for(int k=0;k<=K;k++) dp[i][k] = 1e9;
	}
	dp[0][0] = 0;
	for(int k=1;k<=K;k++) {
		while(S.size()) S.pop();
		for(int c=k;c<=N;c++) {
			int res = dp[c - 1][k - 1];
		//	cout<<res<<endl;
			while(S.size() && arr[S.top().se] <= arr[c]) {
				res = min(res, S.top().fi);
				S.pop();
			}
			int j;
			if(S.size()) j = S.top().se;
			else j = 0;
			
		//	cout<<"j : "<<res<<" "<<j<<" "<<dp[j][k]<<endl;
			
			dp[c][k] = min(dp[j][k], res + arr[c]);
		//	cout<<"dp : "<<c<<" "<<k<<" "<<dp[c][k]<<endl;
			S.push(make_pair(res, c));
		}
	}
	printf("%d\n", dp[N][K]);
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  scanf("%d %d", &N, &K);
      |  ~~~~~^~~~~~~~~~~~~~~~~
blocks.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |   scanf("%d", &arr[i]);
      |   ~~~~~^~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 352 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 352 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 356 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 352 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 0 ms 352 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 356 KB Output is correct
39 Correct 0 ms 356 KB Output is correct
40 Correct 0 ms 356 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 356 KB Output is correct
43 Correct 0 ms 356 KB Output is correct
44 Correct 0 ms 352 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 1 ms 352 KB Output is correct
47 Correct 0 ms 356 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 352 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 0 ms 352 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 356 KB Output is correct
39 Correct 0 ms 356 KB Output is correct
40 Correct 0 ms 356 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 356 KB Output is correct
43 Correct 0 ms 356 KB Output is correct
44 Correct 0 ms 352 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 1 ms 352 KB Output is correct
47 Correct 0 ms 356 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 4 ms 4696 KB Output is correct
59 Correct 7 ms 19548 KB Output is correct
60 Correct 10 ms 19572 KB Output is correct
61 Correct 46 ms 19548 KB Output is correct
62 Correct 145 ms 41048 KB Output is correct
63 Correct 18 ms 40904 KB Output is correct
64 Correct 72 ms 41052 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 1 ms 2648 KB Output is correct
70 Correct 1 ms 2652 KB Output is correct
71 Correct 14 ms 4700 KB Output is correct
72 Correct 2 ms 4700 KB Output is correct
73 Correct 5 ms 4700 KB Output is correct
74 Correct 6 ms 19576 KB Output is correct
75 Correct 10 ms 19548 KB Output is correct
76 Correct 53 ms 19548 KB Output is correct
77 Correct 157 ms 41036 KB Output is correct
78 Correct 16 ms 40796 KB Output is correct
79 Correct 78 ms 41028 KB Output is correct
80 Correct 13 ms 41048 KB Output is correct
81 Correct 26 ms 41052 KB Output is correct
82 Correct 154 ms 41064 KB Output is correct
83 Correct 1 ms 2652 KB Output is correct
84 Correct 1 ms 2652 KB Output is correct
85 Correct 18 ms 4976 KB Output is correct
86 Correct 2 ms 4700 KB Output is correct
87 Correct 4 ms 4844 KB Output is correct
88 Correct 6 ms 19548 KB Output is correct
89 Correct 10 ms 19716 KB Output is correct
90 Correct 46 ms 19548 KB Output is correct
91 Correct 136 ms 41308 KB Output is correct
92 Correct 15 ms 41308 KB Output is correct
93 Correct 68 ms 41324 KB Output is correct
94 Correct 2 ms 4700 KB Output is correct
95 Correct 11 ms 4832 KB Output is correct
96 Correct 1 ms 2652 KB Output is correct
97 Correct 1 ms 2652 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 1 ms 348 KB Output is correct