oj.uz

Submission #161127

# Submission time Handle Problem Language Result Execution time Memory
161127 2019-10-31T15:09:32 Z Berted Collecting Mushrooms (NOI18_collectmushrooms) C++14
100 / 100
 72 ms 15308 KB 
#include <iostream>
#include <vector>
#define ll long long
using namespace std;
ll r,c,d,k,to=0;
vector<vector<ll>> mp;
vector<string> tmp;
void set(int y,int x,int d)
{
	int tly = max(y-d,1),tlx = max(x-d,1);
	int bry = min(y+d,(int)r),brx = min(x+d,(int)c);
	//cout<<tly<<" "<<tlx<<" "<<bry<<" "<<brx<<"\n";
	mp[tly][tlx] ++;
	mp[tly][brx+1] --;
	mp[bry+1][tlx] --;
	mp[bry+1][brx+1] ++; 
}
int main()
{
	cin>>r>>c>>d>>k;
	for (int i=0;i<r+2;i++)
	{
		mp.push_back(vector<ll>());
		for (int j=0;j<c+2;j++)
		{
			mp[i].push_back(0);
		}
	}
	string trsh = "";
	for (int i=0;i<c;i++)
	{
		trsh+=" ";
	}
	tmp.push_back(trsh);
	for (int i=0;i<r;i++)
	{
		string tp;cin>>tp;
		tp=" "+tp;tp+=" ";
		tmp.push_back(tp);
	}
	tmp.push_back(trsh);
	for (int i=1;i<=r;i++)
	{
		for (int j=1;j<=c;j++)
		{
			if (tmp[i][j]=='S') {set(i,j,d);}
		}
	}
	for (int i=1;i<=r;i++)
	{
		for (int j=1;j<=c;j++)
		{
			mp[i][j] += mp[i-1][j] + mp[i][j-1] - mp[i-1][j-1];
			if (tmp[i][j]=='M'&&mp[i][j]>=k) {to++;}
		}
	}
	cout<<to<<"\n";
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 392 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 392 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 3 ms 376 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 2424 KB Output is correct
2 Correct 19 ms 2680 KB Output is correct
3 Correct 23 ms 2888 KB Output is correct
4 Correct 19 ms 2424 KB Output is correct
5 Correct 21 ms 2808 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 15308 KB Output is correct
2 Correct 67 ms 15212 KB Output is correct
3 Correct 69 ms 15308 KB Output is correct
4 Correct 72 ms 15180 KB Output is correct
5 Correct 71 ms 15180 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 392 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 18 ms 2424 KB Output is correct
17 Correct 19 ms 2680 KB Output is correct
18 Correct 23 ms 2888 KB Output is correct
19 Correct 19 ms 2424 KB Output is correct
20 Correct 21 ms 2808 KB Output is correct
21 Correct 72 ms 15308 KB Output is correct
22 Correct 67 ms 15212 KB Output is correct
23 Correct 69 ms 15308 KB Output is correct
24 Correct 72 ms 15180 KB Output is correct
25 Correct 71 ms 15180 KB Output is correct
26 Correct 63 ms 9392 KB Output is correct
27 Correct 46 ms 6332 KB Output is correct
28 Correct 44 ms 5496 KB Output is correct
29 Correct 43 ms 5496 KB Output is correct
30 Correct 61 ms 10576 KB Output is correct