oj.uz

Submission #1101416

# Submission time Handle Problem Language Result Execution time Memory
1101416 2024-10-16T08:20:52 Z tuan19a K blocks (IZhO14_blocks) C++14
53 / 100
 1000 ms 86608 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],rmq[N][25],lg2[N];

void kt()
{
    for (int i=2;i<=n;i++)
         lg2[i]=lg2[i>>1]+1;
    for (int i=1;i<=n;i++)
        rmq[i][0]=a[i];
    for (int k=1;(1<<k)<=n;k++)
        for (int i=1;i<=n-(1<<k)+1;i++)
          rmq[i][k]=max(rmq[i][k-1],rmq[i+(1<<(k-1))][k-1]);
}

ll get(int l,int r)
{
    int k=lg2[r-l+1];
    return max(rmq[l][k],rmq[r-(1<<k)+1][k]);
}

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];

    kt();

    memset(dp,0x3f,sizeof dp);

    dp[0][0]=0;
    for (int i=1;i<=k;i++)
      for (int j=i;j<=n;j++)
        for (int l=0;l<j;l++)
           dp[j][i]=min(dp[j][i],dp[l][i-1]+get(l+1,j));
    cout<<dp[n][k];
}
/**  /\_/\
 *  (= ._.)
 *  / >AC \>AC
**/

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:44:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |       freopen(FILE".inp","r",stdin);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:45:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |       freopen(FILE".out","w",stdout);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 84560 KB Output is correct
2 Correct 10 ms 84560 KB Output is correct
3 Correct 10 ms 84560 KB Output is correct
4 Correct 10 ms 84524 KB Output is correct
5 Correct 10 ms 84560 KB Output is correct
6 Correct 10 ms 84560 KB Output is correct
7 Correct 10 ms 84560 KB Output is correct
8 Correct 10 ms 84556 KB Output is correct
9 Correct 10 ms 84560 KB Output is correct
10 Correct 10 ms 84588 KB Output is correct
11 Correct 12 ms 84572 KB Output is correct
12 Correct 10 ms 84596 KB Output is correct
13 Correct 10 ms 84560 KB Output is correct
14 Correct 10 ms 84536 KB Output is correct
15 Correct 11 ms 84560 KB Output is correct
16 Correct 11 ms 84560 KB Output is correct
17 Correct 10 ms 84532 KB Output is correct
18 Correct 10 ms 84560 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 84560 KB Output is correct
2 Correct 10 ms 84560 KB Output is correct
3 Correct 10 ms 84472 KB Output is correct
4 Correct 10 ms 84560 KB Output is correct
5 Correct 10 ms 84728 KB Output is correct
6 Correct 11 ms 84560 KB Output is correct
7 Correct 10 ms 84560 KB Output is correct
8 Correct 12 ms 84484 KB Output is correct
9 Correct 11 ms 84576 KB Output is correct
10 Correct 11 ms 84560 KB Output is correct
11 Correct 11 ms 84728 KB Output is correct
12 Correct 12 ms 84560 KB Output is correct
13 Correct 11 ms 84572 KB Output is correct
14 Correct 11 ms 84540 KB Output is correct
15 Correct 11 ms 84560 KB Output is correct
16 Correct 11 ms 84560 KB Output is correct
17 Correct 11 ms 84560 KB Output is correct
18 Correct 11 ms 84560 KB Output is correct
19 Correct 11 ms 84560 KB Output is correct
20 Correct 11 ms 84568 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 84560 KB Output is correct
2 Correct 10 ms 84560 KB Output is correct
3 Correct 10 ms 84560 KB Output is correct
4 Correct 10 ms 84524 KB Output is correct
5 Correct 10 ms 84560 KB Output is correct
6 Correct 10 ms 84560 KB Output is correct
7 Correct 10 ms 84560 KB Output is correct
8 Correct 10 ms 84556 KB Output is correct
9 Correct 10 ms 84560 KB Output is correct
10 Correct 10 ms 84588 KB Output is correct
11 Correct 12 ms 84572 KB Output is correct
12 Correct 10 ms 84596 KB Output is correct
13 Correct 10 ms 84560 KB Output is correct
14 Correct 10 ms 84536 KB Output is correct
15 Correct 11 ms 84560 KB Output is correct
16 Correct 11 ms 84560 KB Output is correct
17 Correct 10 ms 84532 KB Output is correct
18 Correct 10 ms 84560 KB Output is correct
19 Correct 10 ms 84560 KB Output is correct
20 Correct 10 ms 84560 KB Output is correct
21 Correct 10 ms 84472 KB Output is correct
22 Correct 10 ms 84560 KB Output is correct
23 Correct 10 ms 84728 KB Output is correct
24 Correct 11 ms 84560 KB Output is correct
25 Correct 10 ms 84560 KB Output is correct
26 Correct 12 ms 84484 KB Output is correct
27 Correct 11 ms 84576 KB Output is correct
28 Correct 11 ms 84560 KB Output is correct
29 Correct 11 ms 84728 KB Output is correct
30 Correct 12 ms 84560 KB Output is correct
31 Correct 11 ms 84572 KB Output is correct
32 Correct 11 ms 84540 KB Output is correct
33 Correct 11 ms 84560 KB Output is correct
34 Correct 11 ms 84560 KB Output is correct
35 Correct 11 ms 84560 KB Output is correct
36 Correct 11 ms 84560 KB Output is correct
37 Correct 11 ms 84560 KB Output is correct
38 Correct 11 ms 84568 KB Output is correct
39 Correct 11 ms 84728 KB Output is correct
40 Correct 11 ms 84560 KB Output is correct
41 Correct 12 ms 84812 KB Output is correct
42 Correct 11 ms 84560 KB Output is correct
43 Correct 11 ms 84508 KB Output is correct
44 Correct 11 ms 84560 KB Output is correct
45 Correct 11 ms 84560 KB Output is correct
46 Correct 11 ms 84728 KB Output is correct
47 Correct 12 ms 84560 KB Output is correct
48 Correct 12 ms 84560 KB Output is correct
49 Correct 13 ms 84572 KB Output is correct
50 Correct 12 ms 84560 KB Output is correct
51 Correct 12 ms 84560 KB Output is correct
52 Correct 12 ms 84572 KB Output is correct
53 Correct 12 ms 84560 KB Output is correct
54 Correct 11 ms 84560 KB Output is correct
55 Correct 11 ms 84560 KB Output is correct
56 Correct 12 ms 84560 KB Output is correct
57 Correct 12 ms 84560 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 84560 KB Output is correct
2 Correct 10 ms 84560 KB Output is correct
3 Correct 10 ms 84560 KB Output is correct
4 Correct 10 ms 84524 KB Output is correct
5 Correct 10 ms 84560 KB Output is correct
6 Correct 10 ms 84560 KB Output is correct
7 Correct 10 ms 84560 KB Output is correct
8 Correct 10 ms 84556 KB Output is correct
9 Correct 10 ms 84560 KB Output is correct
10 Correct 10 ms 84588 KB Output is correct
11 Correct 12 ms 84572 KB Output is correct
12 Correct 10 ms 84596 KB Output is correct
13 Correct 10 ms 84560 KB Output is correct
14 Correct 10 ms 84536 KB Output is correct
15 Correct 11 ms 84560 KB Output is correct
16 Correct 11 ms 84560 KB Output is correct
17 Correct 10 ms 84532 KB Output is correct
18 Correct 10 ms 84560 KB Output is correct
19 Correct 10 ms 84560 KB Output is correct
20 Correct 10 ms 84560 KB Output is correct
21 Correct 10 ms 84472 KB Output is correct
22 Correct 10 ms 84560 KB Output is correct
23 Correct 10 ms 84728 KB Output is correct
24 Correct 11 ms 84560 KB Output is correct
25 Correct 10 ms 84560 KB Output is correct
26 Correct 12 ms 84484 KB Output is correct
27 Correct 11 ms 84576 KB Output is correct
28 Correct 11 ms 84560 KB Output is correct
29 Correct 11 ms 84728 KB Output is correct
30 Correct 12 ms 84560 KB Output is correct
31 Correct 11 ms 84572 KB Output is correct
32 Correct 11 ms 84540 KB Output is correct
33 Correct 11 ms 84560 KB Output is correct
34 Correct 11 ms 84560 KB Output is correct
35 Correct 11 ms 84560 KB Output is correct
36 Correct 11 ms 84560 KB Output is correct
37 Correct 11 ms 84560 KB Output is correct
38 Correct 11 ms 84568 KB Output is correct
39 Correct 11 ms 84728 KB Output is correct
40 Correct 11 ms 84560 KB Output is correct
41 Correct 12 ms 84812 KB Output is correct
42 Correct 11 ms 84560 KB Output is correct
43 Correct 11 ms 84508 KB Output is correct
44 Correct 11 ms 84560 KB Output is correct
45 Correct 11 ms 84560 KB Output is correct
46 Correct 11 ms 84728 KB Output is correct
47 Correct 12 ms 84560 KB Output is correct
48 Correct 12 ms 84560 KB Output is correct
49 Correct 13 ms 84572 KB Output is correct
50 Correct 12 ms 84560 KB Output is correct
51 Correct 12 ms 84560 KB Output is correct
52 Correct 12 ms 84572 KB Output is correct
53 Correct 12 ms 84560 KB Output is correct
54 Correct 11 ms 84560 KB Output is correct
55 Correct 11 ms 84560 KB Output is correct
56 Correct 12 ms 84560 KB Output is correct
57 Correct 12 ms 84560 KB Output is correct
58 Execution timed out 1057 ms 86608 KB Time limit exceeded
59 Halted 0 ms 0 KB -