Submission #13526

#	Time	Username	Problem	Language	Result	Execution time	Memory
13526		woqja125	K blocks (IZhO14_blocks)	C++98	53 / 100	1000 ms	42100 KiB

blocks

#include<stdio.h>
int max(int a, int b){return a>b?a:b;}
int min(int a, int b){return a<b?a:b;}
int dp[101][100001];
int IT[300001];
int b = 1;
int a[100001];
void setT(int *dest, int *src, int s, int e, int f, int r);
int getmax(int f, int r)
{
	f+=b; r+=b;
	int re = 0;
	while(f<r)
	{
		if(f%2 == 1) re = max(re, IT[f++]);
		if(r%2 == 0) re = max(re, IT[r--]);
		f/=2; r/=2;
	}
	if(f==r) re = max(re, IT[f]);
	return re;
}
int main()
{
	int n, k;
	int i, j;
	scanf("%d%d", &n, &k);
	for(b=1; b<=n; b*=2);
	for(i=1; i<=n; i++)
	{
		scanf("%d", a+i);
		IT[b+i] = a[i];
	}
	for(i=b; i>=1; i--) IT[i] = max(IT[i*2], IT[i*2+1]);
	for(i=1; i<=n; i++) dp[1][i] = getmax(1, i);
	for(i=2; i<=k; i++)
	{
		for(j=i; j<=n; j++)
		{
			dp[i][j] = dp[i-1][i-1] + getmax(i, j);
			for(int k=i; k<=j-1; k++) dp[i][j] = min(dp[i][j], dp[i-1][k] + getmax(k+1, j));
		}
	}
	printf("%d", dp[k][n]);
	return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 0 / 47