oj.uz

Submission #116101

# Submission time Handle Problem Language Result Execution time Memory
116101 2019-06-10T15:24:34 Z faustaadp Dango Maker (JOI18_dango_maker) C++17
13 / 100
 4 ms 384 KB 
#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n,m,i,j,has;
char a[3030][3030];
int p[9000010];
int x[9000010];
int y[9000010];
int X[9000010];
int Y[9000010];
ll car(ll aa)
{
	if(p[aa]==aa)
		return aa;
	else
		return p[aa]=car(p[aa]);
}
void gab(ll aa,ll bb)
{
	p[car(aa)]=car(bb);
}
int main()
{
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n>>m;
	for(i=1;i<=n;i++)
		for(j=1;j<=m;j++)
		{
			p[(i-1)*m+j]=(i-1)*m+j;
			cin>>a[i][j];
		}
	for(i=1;i<=n;i++)
		for(j=1;j<=m;j++)
		{
			if(j+2<=m&&a[i][j]=='R'&&a[i][j+1]=='G'&&a[i][j+2]=='W')
			{
				has++;
				x[(i-1)*m+j]++;
				gab((i-1)*m+j,(i-1)*m+j+1);
				gab((i-1)*m+j,(i-1)*m+j+2);
				gab((i-1)*m+j+1,(i-1)*m+j+2);
			}
			if(i+2<=n&&a[i][j]=='R'&&a[i+1][j]=='G'&&a[i+2][j]=='W')
			{
				has++;
				y[(i-1)*m+j]++;
				gab((i-1)*m+j,i*m+j);
				gab((i+1)*m+j,i*m+j);
				gab((i-1)*m+j,i*m+(j+1));
			}				
		}
	for(i=1;i<=n*m;i++)
	{
		X[car(i)]+=x[i];
		Y[car(i)]+=y[i];
	}
	for(i=1;i<=n*m;i++)
		has-=min(X[i],Y[i]);
	cout<<has<<"\n";
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Incorrect 2 ms 384 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Incorrect 2 ms 384 KB Output isn't correct
20 Halted 0 ms 0 KB -