oj.uz

Submission #241657

# Submission time Handle Problem Language Result Execution time Memory
241657 2020-06-25T03:08:29 Z dsjong Dango Maker (JOI18_dango_maker) C++14
13 / 100
 6 ms 384 KB 
#include <bits/stdc++.h>
using namespace std;
set<int>node[100];
bool vis[100];
char a[15][15];
vector<int>adj[100];
int odd, even;
void dfs(int x, int p){
	if(p%2==1) odd++;
	else even++;
	vis[x]=true;
	for(int y:adj[x]){
		if(vis[y]) continue;
		dfs(y, 1-p);
	}
}
int main(){
	int n, m;
	cin>>n>>m;
	for(int i=0;i<n;i++){
		for(int j=0;j<m;j++){
			cin>>a[i][j];
		}
	}
	int cnt=0;
	for(int i=0;i<n;i++){
		for(int j=0;j<m;j++){
			string s="";
			if(j+2<m){
				s=(s+a[i][j]+a[i][j+1]+a[i][j+2]);
				//cout<<s<<endl;
				if(s=="RGW"){
					node[cnt].insert(i*m+j);
					node[cnt].insert(i*m+j+1);
					node[cnt].insert(i*m+j+2);
					cnt++;
				}
			}
			if(i+2<n){
				s="";
				s=s+a[i][j]+a[i+1][j]+a[i+2][j];
				//cout<<s<<endl;
				if(s=="RGW"){
					node[cnt].insert(i*m+j);
					node[cnt].insert((i+1)*m+j);
					node[cnt].insert((i+2)*m+j);
					cnt++;
				}
			}
		}
	}
	for(int i=0;i<cnt;i++){
		for(int j=i+1;j<cnt;j++){
			set<int>s;
			for(int k:node[i]) s.insert(k);
			for(int k:node[j]) s.insert(k);
			if((int)s.size()!=6){
				adj[i].push_back(j);
				adj[j].push_back(i);
			}
		}
	}
	int ans=0;
	for(int i=0;i<cnt;i++){
		if(vis[i]) continue;
		odd=0, even=0;
		dfs(i, 0);
		ans+=max(odd, even);
	}
	cout<<ans;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 6 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 6 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 6 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Incorrect 5 ms 384 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 6 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 6 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Incorrect 5 ms 384 KB Output isn't correct
35 Halted 0 ms 0 KB -