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Submission #5733

# Submission time Handle Problem Language Result Execution time Memory
5733 2014-05-15T02:28:02 Z kriii K blocks (IZhO14_blocks) C++
0 / 100
 48 ms 2408 KB 
#include <stdio.h>
#include <stack>
using namespace std;

int N,K,A[100001],prv[100001],nxt[100001];

int main()
{
	scanf ("%d %d",&N,&K);

	for (int i=1;i<=N;i++){
		scanf ("%d",&A[i]);
		prv[i] = 0x3fffffff;
	}

	for (int j=1;j<=K;j++){
		stack<pair<int, int> > S;
		S.push(make_pair(0,0x3fffffff));
		
		for (int i=j;i<=N;i++){
			int last = prv[i-1];
			while (S.top().second <= A[i]){
				last = S.top().first;
				S.pop();
			}
			if (S.top().first + S.top().second > last + A[i])
				S.push(make_pair(last,A[i]));
			nxt[i] = S.top().first + S.top().second;
		}
		for (int i=j;i<=N;i++) prv[i] = nxt[i];
	}

	printf ("%d\n",prv[N]);

	return 0;
}

Subtask #1
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2408 KB Output is correct
2 Correct 0 ms 2408 KB Output is correct
3 Correct 0 ms 2408 KB Output is correct
4 Correct 0 ms 2408 KB Output is correct
5 Correct 0 ms 2408 KB Output is correct
6 Correct 0 ms 2408 KB Output is correct
7 Correct 0 ms 2408 KB Output is correct
8 Correct 0 ms 2408 KB Output is correct
9 Correct 0 ms 2408 KB Output is correct
10 Correct 0 ms 2408 KB Output is correct
11 Incorrect 0 ms 2408 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #2
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2408 KB Output is correct
2 Correct 0 ms 2408 KB Output is correct
3 Correct 0 ms 2408 KB Output is correct
4 Correct 0 ms 2408 KB Output is correct
5 Correct 0 ms 2408 KB Output is correct
6 Correct 0 ms 2408 KB Output is correct
7 Correct 0 ms 2408 KB Output is correct
8 Correct 0 ms 2408 KB Output is correct
9 Correct 0 ms 2408 KB Output is correct
10 Correct 0 ms 2408 KB Output is correct
11 Incorrect 0 ms 2408 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #3
0.0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2408 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2408 KB Output is correct
2 Correct 8 ms 2408 KB Output is correct
3 Correct 8 ms 2408 KB Output is correct
4 Incorrect 48 ms 2408 KB Output isn't correct
5 Halted 0 ms 0 KB -