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Submission #13117

# Submission time Handle Problem Language Result Execution time Memory
13117 2015-01-31T09:35:46 Z gs14004 K blocks (IZhO14_blocks) C++14
100 / 100
 227 ms 43248 KB 
#include <cstdio>
#include <cstring>
#include <stack>
#include <algorithm>
using namespace std;

int dp[105][100005];
int a[100005];
int n,k;

int main(){
    scanf("%d %d",&n,&k);
    int maxv = 0;
    memset(dp,0x3f,sizeof(dp));
    for (int i=1; i<=n; i++) {
        scanf("%d",&a[i]);
        maxv = max(maxv,a[i]);
        dp[1][i] = maxv;
    }
    for (int i=2; i<=k; i++) {
        stack<int> s1,s2;
        for (int j=1; j<=n; j++) {
            int my_dp = dp[i-1][j-1];
            while (!s1.empty() && s1.top() < a[j]) {
                my_dp = min(my_dp,s2.top());
                s1.pop();
                s2.pop();
            }
            if(s1.empty() || my_dp + a[j] < s1.top() + s2.top()){
                s1.push(a[j]);
                s2.push(my_dp);
            }
            if(j >= i) dp[i][j] = s1.top() + s2.top();
        }
    }
    printf("%d",dp[k][n]);
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 42988 KB Output is correct
2 Correct 4 ms 42988 KB Output is correct
3 Correct 3 ms 42988 KB Output is correct
4 Correct 3 ms 42988 KB Output is correct
5 Correct 0 ms 42988 KB Output is correct
6 Correct 4 ms 42988 KB Output is correct
7 Correct 3 ms 42988 KB Output is correct
8 Correct 4 ms 42988 KB Output is correct
9 Correct 0 ms 42988 KB Output is correct
10 Correct 3 ms 42988 KB Output is correct
11 Correct 4 ms 42988 KB Output is correct
12 Correct 0 ms 42988 KB Output is correct
13 Correct 4 ms 42988 KB Output is correct
14 Correct 0 ms 42988 KB Output is correct
15 Correct 3 ms 42988 KB Output is correct
16 Correct 9 ms 42988 KB Output is correct
17 Correct 0 ms 42988 KB Output is correct
18 Correct 4 ms 42988 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 42988 KB Output is correct
2 Correct 3 ms 42988 KB Output is correct
3 Correct 0 ms 42988 KB Output is correct
4 Correct 0 ms 42988 KB Output is correct
5 Correct 3 ms 42988 KB Output is correct
6 Correct 0 ms 42988 KB Output is correct
7 Correct 6 ms 42988 KB Output is correct
8 Correct 0 ms 42988 KB Output is correct
9 Correct 3 ms 42988 KB Output is correct
10 Correct 0 ms 42988 KB Output is correct
11 Correct 3 ms 42988 KB Output is correct
12 Correct 9 ms 42988 KB Output is correct
13 Correct 4 ms 42988 KB Output is correct
14 Correct 3 ms 42988 KB Output is correct
15 Correct 3 ms 42988 KB Output is correct
16 Correct 4 ms 42988 KB Output is correct
17 Correct 6 ms 42988 KB Output is correct
18 Correct 3 ms 42988 KB Output is correct
19 Correct 0 ms 42988 KB Output is correct
20 Correct 0 ms 42988 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 42988 KB Output is correct
2 Correct 0 ms 42988 KB Output is correct
3 Correct 0 ms 42988 KB Output is correct
4 Correct 0 ms 42988 KB Output is correct
5 Correct 3 ms 42988 KB Output is correct
6 Correct 0 ms 42988 KB Output is correct
7 Correct 3 ms 42988 KB Output is correct
8 Correct 4 ms 42988 KB Output is correct
9 Correct 4 ms 42988 KB Output is correct
10 Correct 3 ms 42988 KB Output is correct
11 Correct 0 ms 42988 KB Output is correct
12 Correct 3 ms 42988 KB Output is correct
13 Correct 0 ms 42988 KB Output is correct
14 Correct 4 ms 42988 KB Output is correct
15 Correct 5 ms 42988 KB Output is correct
16 Correct 0 ms 42988 KB Output is correct
17 Correct 0 ms 42988 KB Output is correct
18 Correct 0 ms 42988 KB Output is correct
19 Correct 0 ms 42988 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 42988 KB Output is correct
2 Correct 0 ms 42988 KB Output is correct
3 Correct 14 ms 42988 KB Output is correct
4 Correct 50 ms 42988 KB Output is correct
5 Correct 142 ms 42988 KB Output is correct
6 Correct 29 ms 42988 KB Output is correct
7 Correct 88 ms 42988 KB Output is correct
8 Correct 5 ms 42988 KB Output is correct
9 Correct 0 ms 42988 KB Output is correct
10 Correct 0 ms 42988 KB Output is correct
11 Correct 5 ms 42988 KB Output is correct
12 Correct 3 ms 42988 KB Output is correct
13 Correct 5 ms 42988 KB Output is correct
14 Correct 18 ms 42988 KB Output is correct
15 Correct 7 ms 42988 KB Output is correct
16 Correct 9 ms 42988 KB Output is correct
17 Correct 7 ms 42988 KB Output is correct
18 Correct 16 ms 42988 KB Output is correct
19 Correct 44 ms 42988 KB Output is correct
20 Correct 139 ms 42988 KB Output is correct
21 Correct 23 ms 42988 KB Output is correct
22 Correct 81 ms 42988 KB Output is correct
23 Correct 21 ms 42988 KB Output is correct
24 Correct 32 ms 42988 KB Output is correct
25 Correct 152 ms 42988 KB Output is correct
26 Correct 0 ms 42988 KB Output is correct
27 Correct 0 ms 42988 KB Output is correct
28 Correct 22 ms 42988 KB Output is correct
29 Correct 7 ms 42988 KB Output is correct
30 Correct 7 ms 42988 KB Output is correct
31 Correct 6 ms 42988 KB Output is correct
32 Correct 19 ms 43116 KB Output is correct
33 Correct 77 ms 43116 KB Output is correct
34 Correct 227 ms 43248 KB Output is correct
35 Correct 21 ms 43248 KB Output is correct
36 Correct 103 ms 43248 KB Output is correct
37 Correct 7 ms 42988 KB Output is correct
38 Correct 13 ms 42988 KB Output is correct
39 Correct 0 ms 42988 KB Output is correct
40 Correct 5 ms 42988 KB Output is correct
41 Correct 5 ms 42988 KB Output is correct
42 Correct 0 ms 42988 KB Output is correct