oj.uz

Submission #1101528

# Submission time Handle Problem Language Result Execution time Memory
1101528 2024-10-16T09:25:29 Z tuan19a K blocks (IZhO14_blocks) C++14
100 / 100
 149 ms 83456 KB 
#include <bits/stdc++.h>
#define ll long long
#define int long long
#define el "\n"
#define FILE "test1"
#define fi first
#define se second
#define pb push_back
#define pii pair<int,int>
#define bit(mask,i) ((mask>>i) & 1)
const int N=1e5+2;
const ll oo=1e18;
const int mod=1e9+7;
const int base=31;
const int dx[4]={0, 0, 1, -1};
const int dy[4]={1, -1, 0, 0};
using namespace std;

int n,k,a[N],dp[N][102],l[N],rmq[N][25];

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    if (fopen(FILE".inp","r"))
    {
      freopen(FILE".inp","r",stdin);
      freopen(FILE".out","w",stdout);
    }

    cin>>n>>k;
    for (int i=1;i<=n;i++)
        cin>>a[i];

    memset(dp,0x3f,sizeof dp);

    dp[0][1]=0;
    for (int i=1;i<=n;i++) dp[i][1]=max(dp[i-1][1],a[i]);



    for (int i=2;i<=k;i++)
      {
          stack <pii> s;
          for (int j=i;j<=n;j++)
          {
              int minn=dp[j-1][i-1];
              while (!s.empty() && a[j]>=a[s.top().se]) minn=min(minn,s.top().fi),s.pop();
              int pos=0;
              if (!s.empty()) pos=s.top().se;
              dp[j][i]=min(dp[pos][i],minn+a[j]);
              s.push({minn,j});
          }
      }
    cout<<dp[n][k];
}
/**  /\_/\
 *  (= ._.)
 *  / >AC \>AC
**/

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:27:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |       freopen(FILE".inp","r",stdin);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:28:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |       freopen(FILE".out","w",stdout);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 82540 KB Output is correct
2 Correct 12 ms 82512 KB Output is correct
3 Correct 11 ms 82456 KB Output is correct
4 Correct 11 ms 82520 KB Output is correct
5 Correct 11 ms 82512 KB Output is correct
6 Correct 13 ms 82512 KB Output is correct
7 Correct 11 ms 82404 KB Output is correct
8 Correct 12 ms 82512 KB Output is correct
9 Correct 12 ms 82408 KB Output is correct
10 Correct 13 ms 82512 KB Output is correct
11 Correct 12 ms 82512 KB Output is correct
12 Correct 12 ms 82512 KB Output is correct
13 Correct 13 ms 82476 KB Output is correct
14 Correct 11 ms 82508 KB Output is correct
15 Correct 11 ms 82512 KB Output is correct
16 Correct 11 ms 82680 KB Output is correct
17 Correct 13 ms 82512 KB Output is correct
18 Correct 12 ms 82512 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 82512 KB Output is correct
2 Correct 11 ms 82512 KB Output is correct
3 Correct 11 ms 82512 KB Output is correct
4 Correct 13 ms 82512 KB Output is correct
5 Correct 12 ms 82680 KB Output is correct
6 Correct 15 ms 82512 KB Output is correct
7 Correct 11 ms 82512 KB Output is correct
8 Correct 11 ms 82512 KB Output is correct
9 Correct 13 ms 82512 KB Output is correct
10 Correct 12 ms 82476 KB Output is correct
11 Correct 11 ms 82512 KB Output is correct
12 Correct 11 ms 82512 KB Output is correct
13 Correct 11 ms 82512 KB Output is correct
14 Correct 12 ms 82512 KB Output is correct
15 Correct 10 ms 82516 KB Output is correct
16 Correct 10 ms 82408 KB Output is correct
17 Correct 10 ms 82512 KB Output is correct
18 Correct 10 ms 82516 KB Output is correct
19 Correct 10 ms 82512 KB Output is correct
20 Correct 10 ms 82516 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 82540 KB Output is correct
2 Correct 12 ms 82512 KB Output is correct
3 Correct 11 ms 82456 KB Output is correct
4 Correct 11 ms 82520 KB Output is correct
5 Correct 11 ms 82512 KB Output is correct
6 Correct 13 ms 82512 KB Output is correct
7 Correct 11 ms 82404 KB Output is correct
8 Correct 12 ms 82512 KB Output is correct
9 Correct 12 ms 82408 KB Output is correct
10 Correct 13 ms 82512 KB Output is correct
11 Correct 12 ms 82512 KB Output is correct
12 Correct 12 ms 82512 KB Output is correct
13 Correct 13 ms 82476 KB Output is correct
14 Correct 11 ms 82508 KB Output is correct
15 Correct 11 ms 82512 KB Output is correct
16 Correct 11 ms 82680 KB Output is correct
17 Correct 13 ms 82512 KB Output is correct
18 Correct 12 ms 82512 KB Output is correct
19 Correct 11 ms 82512 KB Output is correct
20 Correct 11 ms 82512 KB Output is correct
21 Correct 11 ms 82512 KB Output is correct
22 Correct 13 ms 82512 KB Output is correct
23 Correct 12 ms 82680 KB Output is correct
24 Correct 15 ms 82512 KB Output is correct
25 Correct 11 ms 82512 KB Output is correct
26 Correct 11 ms 82512 KB Output is correct
27 Correct 13 ms 82512 KB Output is correct
28 Correct 12 ms 82476 KB Output is correct
29 Correct 11 ms 82512 KB Output is correct
30 Correct 11 ms 82512 KB Output is correct
31 Correct 11 ms 82512 KB Output is correct
32 Correct 12 ms 82512 KB Output is correct
33 Correct 10 ms 82516 KB Output is correct
34 Correct 10 ms 82408 KB Output is correct
35 Correct 10 ms 82512 KB Output is correct
36 Correct 10 ms 82516 KB Output is correct
37 Correct 10 ms 82512 KB Output is correct
38 Correct 10 ms 82516 KB Output is correct
39 Correct 11 ms 82412 KB Output is correct
40 Correct 10 ms 82452 KB Output is correct
41 Correct 11 ms 82512 KB Output is correct
42 Correct 12 ms 82512 KB Output is correct
43 Correct 11 ms 82512 KB Output is correct
44 Correct 12 ms 82512 KB Output is correct
45 Correct 10 ms 82480 KB Output is correct
46 Correct 10 ms 82512 KB Output is correct
47 Correct 10 ms 82680 KB Output is correct
48 Correct 11 ms 82512 KB Output is correct
49 Correct 13 ms 82512 KB Output is correct
50 Correct 11 ms 82528 KB Output is correct
51 Correct 12 ms 82512 KB Output is correct
52 Correct 11 ms 82512 KB Output is correct
53 Correct 13 ms 82512 KB Output is correct
54 Correct 12 ms 82532 KB Output is correct
55 Correct 12 ms 82512 KB Output is correct
56 Correct 11 ms 82512 KB Output is correct
57 Correct 13 ms 82512 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 82540 KB Output is correct
2 Correct 12 ms 82512 KB Output is correct
3 Correct 11 ms 82456 KB Output is correct
4 Correct 11 ms 82520 KB Output is correct
5 Correct 11 ms 82512 KB Output is correct
6 Correct 13 ms 82512 KB Output is correct
7 Correct 11 ms 82404 KB Output is correct
8 Correct 12 ms 82512 KB Output is correct
9 Correct 12 ms 82408 KB Output is correct
10 Correct 13 ms 82512 KB Output is correct
11 Correct 12 ms 82512 KB Output is correct
12 Correct 12 ms 82512 KB Output is correct
13 Correct 13 ms 82476 KB Output is correct
14 Correct 11 ms 82508 KB Output is correct
15 Correct 11 ms 82512 KB Output is correct
16 Correct 11 ms 82680 KB Output is correct
17 Correct 13 ms 82512 KB Output is correct
18 Correct 12 ms 82512 KB Output is correct
19 Correct 11 ms 82512 KB Output is correct
20 Correct 11 ms 82512 KB Output is correct
21 Correct 11 ms 82512 KB Output is correct
22 Correct 13 ms 82512 KB Output is correct
23 Correct 12 ms 82680 KB Output is correct
24 Correct 15 ms 82512 KB Output is correct
25 Correct 11 ms 82512 KB Output is correct
26 Correct 11 ms 82512 KB Output is correct
27 Correct 13 ms 82512 KB Output is correct
28 Correct 12 ms 82476 KB Output is correct
29 Correct 11 ms 82512 KB Output is correct
30 Correct 11 ms 82512 KB Output is correct
31 Correct 11 ms 82512 KB Output is correct
32 Correct 12 ms 82512 KB Output is correct
33 Correct 10 ms 82516 KB Output is correct
34 Correct 10 ms 82408 KB Output is correct
35 Correct 10 ms 82512 KB Output is correct
36 Correct 10 ms 82516 KB Output is correct
37 Correct 10 ms 82512 KB Output is correct
38 Correct 10 ms 82516 KB Output is correct
39 Correct 11 ms 82412 KB Output is correct
40 Correct 10 ms 82452 KB Output is correct
41 Correct 11 ms 82512 KB Output is correct
42 Correct 12 ms 82512 KB Output is correct
43 Correct 11 ms 82512 KB Output is correct
44 Correct 12 ms 82512 KB Output is correct
45 Correct 10 ms 82480 KB Output is correct
46 Correct 10 ms 82512 KB Output is correct
47 Correct 10 ms 82680 KB Output is correct
48 Correct 11 ms 82512 KB Output is correct
49 Correct 13 ms 82512 KB Output is correct
50 Correct 11 ms 82528 KB Output is correct
51 Correct 12 ms 82512 KB Output is correct
52 Correct 11 ms 82512 KB Output is correct
53 Correct 13 ms 82512 KB Output is correct
54 Correct 12 ms 82532 KB Output is correct
55 Correct 12 ms 82512 KB Output is correct
56 Correct 11 ms 82512 KB Output is correct
57 Correct 13 ms 82512 KB Output is correct
58 Correct 17 ms 82512 KB Output is correct
59 Correct 18 ms 82528 KB Output is correct
60 Correct 14 ms 82512 KB Output is correct
61 Correct 55 ms 82536 KB Output is correct
62 Correct 110 ms 82688 KB Output is correct
63 Correct 20 ms 82768 KB Output is correct
64 Correct 65 ms 82768 KB Output is correct
65 Correct 13 ms 82512 KB Output is correct
66 Correct 11 ms 82512 KB Output is correct
67 Correct 13 ms 82444 KB Output is correct
68 Correct 12 ms 82512 KB Output is correct
69 Correct 13 ms 82472 KB Output is correct
70 Correct 13 ms 82532 KB Output is correct
71 Correct 27 ms 82512 KB Output is correct
72 Correct 12 ms 82440 KB Output is correct
73 Correct 14 ms 82512 KB Output is correct
74 Correct 15 ms 82388 KB Output is correct
75 Correct 16 ms 82512 KB Output is correct
76 Correct 58 ms 82536 KB Output is correct
77 Correct 141 ms 82648 KB Output is correct
78 Correct 20 ms 82796 KB Output is correct
79 Correct 73 ms 82684 KB Output is correct
80 Correct 18 ms 82792 KB Output is correct
81 Correct 27 ms 82728 KB Output is correct
82 Correct 130 ms 82784 KB Output is correct
83 Correct 12 ms 82512 KB Output is correct
84 Correct 14 ms 82512 KB Output is correct
85 Correct 23 ms 82460 KB Output is correct
86 Correct 14 ms 82512 KB Output is correct
87 Correct 17 ms 82516 KB Output is correct
88 Correct 15 ms 82512 KB Output is correct
89 Correct 18 ms 82716 KB Output is correct
90 Correct 52 ms 82812 KB Output is correct
91 Correct 149 ms 83384 KB Output is correct
92 Correct 24 ms 83344 KB Output is correct
93 Correct 81 ms 83456 KB Output is correct
94 Correct 12 ms 82512 KB Output is correct
95 Correct 23 ms 82608 KB Output is correct
96 Correct 12 ms 82512 KB Output is correct
97 Correct 12 ms 82512 KB Output is correct
98 Correct 11 ms 82432 KB Output is correct
99 Correct 12 ms 82528 KB Output is correct