oj.uz

Submission #7151

# Submission time Handle Problem Language Result Execution time Memory
7151 2014-07-26T15:20:12 Z baneling100 K blocks (IZhO14_blocks) C++
100 / 100
 192 ms 3148 KB 
#include <stdio.h>
#include <vector>
#define INF 0x7fffffff

using namespace std;

typedef pair <int,int> ppair;
vector <ppair> S;
int N, K, A[100001], D[2][100001];

void input(void)
{
    int i;

    scanf("%d %d",&N,&K);
    for(i=1 ; i<=N ; i++)
        scanf("%d",&A[i]);
}

void process(void)
{
    int i, j, x, y;

    for(i=1 ; i<=N ; i++)
    {
        D[1][i]=D[1][i-1];
        if(D[1][i]<A[i])
            D[1][i]=A[i];
    }
    for(i=2 ; i<=K ; i++)
    {
        S.clear();
        for(j=i ; j<=N ; j++)
        {
            y=D[1-(i%2)][j-1];
            while(!S.empty() && S.back().first<=A[j])
            {
                if(y>S.back().second)
                    y=S.back().second;
                S.pop_back();
            }
            if(S.empty())
                x=INF;
            else
                x=S.back().first+S.back().second;
            if(x>A[j]+y)
            {
                x=A[j]+y;
                S.push_back(make_pair(A[j],y));
            }
            D[i%2][j]=x;
        }
    }
}

void output(void)
{
    printf("%d",D[K%2][N]);
}

int main(void)
{
    input();
    process();
    output();

    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2376 KB Output is correct
2 Correct 0 ms 2376 KB Output is correct
3 Correct 0 ms 2376 KB Output is correct
4 Correct 0 ms 2376 KB Output is correct
5 Correct 0 ms 2376 KB Output is correct
6 Correct 0 ms 2376 KB Output is correct
7 Correct 0 ms 2376 KB Output is correct
8 Correct 0 ms 2376 KB Output is correct
9 Correct 0 ms 2376 KB Output is correct
10 Correct 0 ms 2376 KB Output is correct
11 Correct 0 ms 2376 KB Output is correct
12 Correct 0 ms 2376 KB Output is correct
13 Correct 0 ms 2376 KB Output is correct
14 Correct 0 ms 2376 KB Output is correct
15 Correct 0 ms 2376 KB Output is correct
16 Correct 0 ms 2376 KB Output is correct
17 Correct 0 ms 2376 KB Output is correct
18 Correct 0 ms 2376 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2376 KB Output is correct
2 Correct 0 ms 2376 KB Output is correct
3 Correct 0 ms 2376 KB Output is correct
4 Correct 0 ms 2376 KB Output is correct
5 Correct 0 ms 2376 KB Output is correct
6 Correct 0 ms 2376 KB Output is correct
7 Correct 0 ms 2376 KB Output is correct
8 Correct 0 ms 2376 KB Output is correct
9 Correct 0 ms 2376 KB Output is correct
10 Correct 0 ms 2376 KB Output is correct
11 Correct 0 ms 2376 KB Output is correct
12 Correct 0 ms 2376 KB Output is correct
13 Correct 0 ms 2376 KB Output is correct
14 Correct 0 ms 2376 KB Output is correct
15 Correct 0 ms 2376 KB Output is correct
16 Correct 0 ms 2376 KB Output is correct
17 Correct 0 ms 2376 KB Output is correct
18 Correct 0 ms 2376 KB Output is correct
19 Correct 0 ms 2376 KB Output is correct
20 Correct 0 ms 2376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2376 KB Output is correct
2 Correct 0 ms 2376 KB Output is correct
3 Correct 0 ms 2376 KB Output is correct
4 Correct 0 ms 2376 KB Output is correct
5 Correct 0 ms 2376 KB Output is correct
6 Correct 0 ms 2376 KB Output is correct
7 Correct 0 ms 2376 KB Output is correct
8 Correct 0 ms 2376 KB Output is correct
9 Correct 0 ms 2376 KB Output is correct
10 Correct 0 ms 2376 KB Output is correct
11 Correct 0 ms 2376 KB Output is correct
12 Correct 0 ms 2376 KB Output is correct
13 Correct 0 ms 2376 KB Output is correct
14 Correct 0 ms 2376 KB Output is correct
15 Correct 0 ms 2376 KB Output is correct
16 Correct 0 ms 2376 KB Output is correct
17 Correct 0 ms 2376 KB Output is correct
18 Correct 0 ms 2376 KB Output is correct
19 Correct 0 ms 2376 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2376 KB Output is correct
2 Correct 4 ms 2376 KB Output is correct
3 Correct 12 ms 2376 KB Output is correct
4 Correct 48 ms 2376 KB Output is correct
5 Correct 136 ms 2376 KB Output is correct
6 Correct 24 ms 2376 KB Output is correct
7 Correct 60 ms 2376 KB Output is correct
8 Correct 0 ms 2376 KB Output is correct
9 Correct 0 ms 2376 KB Output is correct
10 Correct 0 ms 2376 KB Output is correct
11 Correct 0 ms 2376 KB Output is correct
12 Correct 0 ms 2376 KB Output is correct
13 Correct 0 ms 2376 KB Output is correct
14 Correct 12 ms 2376 KB Output is correct
15 Correct 0 ms 2376 KB Output is correct
16 Correct 4 ms 2376 KB Output is correct
17 Correct 4 ms 2376 KB Output is correct
18 Correct 8 ms 2376 KB Output is correct
19 Correct 40 ms 2376 KB Output is correct
20 Correct 96 ms 2376 KB Output is correct
21 Correct 12 ms 2376 KB Output is correct
22 Correct 60 ms 2376 KB Output is correct
23 Correct 8 ms 2376 KB Output is correct
24 Correct 20 ms 2376 KB Output is correct
25 Correct 116 ms 2376 KB Output is correct
26 Correct 0 ms 2376 KB Output is correct
27 Correct 0 ms 2376 KB Output is correct
28 Correct 20 ms 2376 KB Output is correct
29 Correct 0 ms 2376 KB Output is correct
30 Correct 4 ms 2376 KB Output is correct
31 Correct 8 ms 2376 KB Output is correct
32 Correct 12 ms 2508 KB Output is correct
33 Correct 60 ms 2508 KB Output is correct
34 Correct 192 ms 3148 KB Output is correct
35 Correct 20 ms 3148 KB Output is correct
36 Correct 100 ms 3148 KB Output is correct
37 Correct 0 ms 2376 KB Output is correct
38 Correct 12 ms 2376 KB Output is correct
39 Correct 0 ms 2376 KB Output is correct
40 Correct 0 ms 2376 KB Output is correct
41 Correct 0 ms 2376 KB Output is correct
42 Correct 0 ms 2376 KB Output is correct