oj.uz

Submission #337236

# Submission time Handle Problem Language Result Execution time Memory
337236 2020-12-19T02:06:42 Z boykut K blocks (IZhO14_blocks) C++14
100 / 100
 342 ms 41356 KB 
#include <iostream>
#include <stack>
#include <vector>
#include <map>

using namespace std;

const int inf = 2e9;

int dp[100001][101];
int a[100001];

int32_t main() {
   ios::sync_with_stdio(0);
   cin.tie(0);
   int N, K;
   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;
      }
   }
   
   dp[0][0] = 0;
   dp[1][1] = a[1];
   for (int i = 2; i <= N; i++) {
      dp[i][1] = max(dp[i - 1][1], a[i]);
   }
   
   auto getmax = [&](int l, int r) -> int {
      int mx = a[l];
      for (int i = l; i <= r; i++) {
         mx = max(mx, a[i]);
      }
      return mx;
   };
   
   for (int k = 2; k <= K; k++) {
      stack < pair < int, int > > st;
      for (int i = 1; i <= N; i++) {
         int mn = dp[i - 1][k - 1];
         while (!st.empty() && a[st.top().first] <= a[i]) {
            mn = min(mn, st.top().second);
            st.pop();
         }
         if (!st.empty())
            dp[i][k] = min(dp[i][k], dp[st.top().first][k]);
         dp[i][k] = min(dp[i][k], mn + a[i]);
         st.push({i, mn});
      }
   }
   
   cout << dp[N][K] << '\n';
   
   return 0;
}

Compilation message

blocks.cpp: In function 'int32_t main()':
blocks.cpp:35:9: warning: variable 'getmax' set but not used [-Wunused-but-set-variable]
   35 |    auto getmax = [&](int l, int r) -> int {
      |         ^~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 0 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 0 ms 364 KB Output is correct
43 Correct 0 ms 364 KB Output is correct
44 Correct 0 ms 364 KB Output is correct
45 Correct 0 ms 364 KB Output is correct
46 Correct 0 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 0 ms 364 KB Output is correct
50 Correct 0 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 384 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 384 KB Output is correct
57 Correct 1 ms 364 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 0 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 0 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 0 ms 364 KB Output is correct
43 Correct 0 ms 364 KB Output is correct
44 Correct 0 ms 364 KB Output is correct
45 Correct 0 ms 364 KB Output is correct
46 Correct 0 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 0 ms 364 KB Output is correct
50 Correct 0 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 384 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 384 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 7 ms 4332 KB Output is correct
59 Correct 13 ms 18412 KB Output is correct
60 Correct 18 ms 18412 KB Output is correct
61 Correct 67 ms 18412 KB Output is correct
62 Correct 342 ms 40940 KB Output is correct
63 Correct 35 ms 40940 KB Output is correct
64 Correct 166 ms 40940 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 1 ms 364 KB Output is correct
68 Correct 1 ms 364 KB Output is correct
69 Correct 1 ms 748 KB Output is correct
70 Correct 1 ms 748 KB Output is correct
71 Correct 21 ms 4460 KB Output is correct
72 Correct 4 ms 4460 KB Output is correct
73 Correct 8 ms 4460 KB Output is correct
74 Correct 14 ms 18412 KB Output is correct
75 Correct 18 ms 18412 KB Output is correct
76 Correct 82 ms 18412 KB Output is correct
77 Correct 261 ms 40940 KB Output is correct
78 Correct 34 ms 41068 KB Output is correct
79 Correct 136 ms 40940 KB Output is correct
80 Correct 29 ms 40940 KB Output is correct
81 Correct 50 ms 40940 KB Output is correct
82 Correct 261 ms 40940 KB Output is correct
83 Correct 1 ms 748 KB Output is correct
84 Correct 1 ms 748 KB Output is correct
85 Correct 19 ms 4460 KB Output is correct
86 Correct 4 ms 4460 KB Output is correct
87 Correct 7 ms 4460 KB Output is correct
88 Correct 13 ms 18412 KB Output is correct
89 Correct 17 ms 18540 KB Output is correct
90 Correct 67 ms 18540 KB Output is correct
91 Correct 261 ms 41356 KB Output is correct
92 Correct 32 ms 41196 KB Output is correct
93 Correct 131 ms 41288 KB Output is correct
94 Correct 4 ms 4460 KB Output is correct
95 Correct 18 ms 4460 KB Output is correct
96 Correct 1 ms 748 KB Output is correct
97 Correct 1 ms 748 KB Output is correct
98 Correct 0 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct