oj.uz

Submission #102799

# Submission time Handle Problem Language Result Execution time Memory
102799 2019-03-27T14:43:08 Z brcode K blocks (IZhO14_blocks) C++14
100 / 100
 266 ms 41460 KB 
#include <iostream>
#include <stack>
using namespace std;
const int MAXN = 1e5+5;
int arr[MAXN];
int dp[110][MAXN];
int main(){
    int n,k;
    cin>>n>>k;
    for(int i=0;i<=n;i++){
        for(int j=0;j<=k;j++){
            dp[j][i] = 1e9;
        }
    }
    dp[1][0] = 0;
    for(int i=1;i<=n;i++){
        cin>>arr[i];
        
        dp[1][i] = 0;
        dp[1][i] =max(dp[1][i-1],arr[i]);
        
    }
    dp[1][0] = 1e9;
    for(int i=2;i<=k;i++){
        stack<int> s1,s2;
        for(int j=1;j<=n;j++){
            int tempdp = dp[i-1][j-1];
           
            while(s1.size() && s1.top()<arr[j]){
                tempdp = min(tempdp,s2.top());
                s1.pop();
                s2.pop();
            }
            if(s1.empty()||tempdp+arr[j]<s1.top()+s2.top()){
                s1.push(arr[j]);
                s2.push(tempdp);
               // cout<<arr[j]<<" "<<tempdp<<endl;
            }
            if(j>=i){
                dp[i][j] = s1.top()+s2.top();
                
                //cout<<dp[i][j]<<endl;
            }
        }
    }
    cout<<dp[k][n]<<endl;
}

Subtask #1
14.0 / 14.0

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

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 512 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 640 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 2 ms 896 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 2 ms 640 KB Output is correct
18 Correct 3 ms 896 KB Output is correct
19 Correct 2 ms 896 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1536 KB Output is correct
2 Correct 20 ms 1280 KB Output is correct
3 Correct 28 ms 2176 KB Output is correct
4 Correct 81 ms 14584 KB Output is correct
5 Correct 193 ms 40952 KB Output is correct
6 Correct 46 ms 2936 KB Output is correct
7 Correct 102 ms 19324 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 640 KB Output is correct
10 Correct 3 ms 640 KB Output is correct
11 Correct 3 ms 768 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 23 ms 4864 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 9 ms 1536 KB Output is correct
17 Correct 19 ms 1152 KB Output is correct
18 Correct 22 ms 2176 KB Output is correct
19 Correct 68 ms 14460 KB Output is correct
20 Correct 183 ms 41008 KB Output is correct
21 Correct 39 ms 2936 KB Output is correct
22 Correct 95 ms 19424 KB Output is correct
23 Correct 44 ms 2172 KB Output is correct
24 Correct 57 ms 5772 KB Output is correct
25 Correct 180 ms 41000 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 29 ms 4864 KB Output is correct
29 Correct 7 ms 588 KB Output is correct
30 Correct 12 ms 1536 KB Output is correct
31 Correct 19 ms 1152 KB Output is correct
32 Correct 24 ms 2400 KB Output is correct
33 Correct 96 ms 14876 KB Output is correct
34 Correct 266 ms 41460 KB Output is correct
35 Correct 57 ms 3320 KB Output is correct
36 Correct 169 ms 19928 KB Output is correct
37 Correct 7 ms 640 KB Output is correct
38 Correct 24 ms 4864 KB Output is correct
39 Correct 3 ms 384 KB Output is correct
40 Correct 3 ms 384 KB Output is correct
41 Correct 2 ms 384 KB Output is correct
42 Correct 2 ms 384 KB Output is correct