Submission #4759

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
4759	2014-01-01T08:07:58 Z	cki86201	Luxury burrow (IZhO13_burrow)	C++	88 / 100	916 ms	9176 KB

burrow

#include<stdio.h>
#include<algorithm>
#include<vector>
using namespace std;

int n,m,k,ans2;
int inp[1010][1010];
int tmp[1010][1010];

typedef pair<int,int> Pi;
#define X first
#define Y second

vector <Pi> v;

bool check(int x)
{
	if(x==5){
		x++;
		x--;
	}
	int i,j;
	for(i=0;i<n;i++){
		tmp[i][0]=0;
		for(j=1;j<m;j++)
			if(inp[i][j]>=x)tmp[i][j]=tmp[i][j-1]+1;
			else tmp[i][j]=0;
	}
	int mx = 0;
	for(j=0;j<m;j++){
		v.clear();
		for(i=0;i<=n;i++){
			int a = i;
			while(!v.empty() && v.back().Y >= tmp[i][j]){
				a=v.back().X;
				mx = max(mx,v.back().Y * (i - a));
				v.pop_back();
			}
			v.push_back(Pi(a,tmp[i][j]));
		}
	}
	if(mx>=k){ans2=mx;return true;}
	return false;
}

int main(){
	scanf("%d%d%d",&n,&m,&k);
	int i,j;
	for(i=0;i<n;i++){
		for(j=0;j<m;j++)scanf("%d",inp[i]+j);
	}
	int st=1,en=1e9,mi,ans;
	while(st<=en){
		mi = (st+en)>>1;
		if(check(mi))st=mi+1,ans=mi;
		else en=mi-1;
	}
	printf("%d %d",ans,ans2);
	return 0;
}

Subtask #1

88.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	9176 KB	Output isn't correct
2	Incorrect	0 ms	9176 KB	Output isn't correct
3	Correct	0 ms	9176 KB	Output is correct
4	Correct	0 ms	9176 KB	Output is correct
5	Correct	0 ms	9176 KB	Output is correct
6	Correct	0 ms	9176 KB	Output is correct
7	Correct	0 ms	9176 KB	Output is correct
8	Correct	4 ms	9176 KB	Output is correct
9	Correct	8 ms	9176 KB	Output is correct
10	Correct	28 ms	9176 KB	Output is correct
11	Correct	56 ms	9176 KB	Output is correct
12	Correct	36 ms	9176 KB	Output is correct
13	Correct	40 ms	9176 KB	Output is correct
14	Correct	108 ms	9176 KB	Output is correct
15	Correct	112 ms	9176 KB	Output is correct
16	Correct	116 ms	9176 KB	Output is correct
17	Correct	148 ms	9176 KB	Output is correct
18	Correct	288 ms	9176 KB	Output is correct
19	Correct	380 ms	9176 KB	Output is correct
20	Correct	620 ms	9176 KB	Output is correct
21	Correct	664 ms	9176 KB	Output is correct
22	Incorrect	860 ms	9176 KB	Output isn't correct
23	Correct	916 ms	9176 KB	Output is correct
24	Correct	636 ms	9176 KB	Output is correct
25	Correct	792 ms	9176 KB	Output is correct