oj.uz

Submission #714134

# Submission time Handle Problem Language Result Execution time Memory
714134 2023-03-24T02:29:48 Z 089487 Dango Maker (JOI18_dango_maker) C++14
13 / 100
 39 ms 70884 KB 
#include<bits/stdc++.h>
#define int long long
#define quick ios::sync_with_stdio(0);cin.tie(0);
#define rep(x,a,b) for(int x=a;x<=b;x++)
#define repd(x,a,b) for(int x=a;x>=b;x--)
#define lowbit(x) (x&-x)
#define sz(x) (int)(x.size())
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define mp make_pair
#define eb emplace_back
using namespace std;
typedef pair<int,int> pii;
void debug(){
    cout<<"\n";
}
template <class T,class ... U >
void debug(T a, U ... b){
    cout<<a<<" ",debug(b...);
}
const int N=3e3+7;
const int INF=1e18;
char c[N][N];
int col[N][N];
int row[N][N];
const int M=3e6+7;
vector<int> v3[M];
int color[M];
int w;
int b;
void add_edge(int a,int b){
	v3[a].eb(b);
	v3[b].eb(a);
}
void dfs(int x,int pnt=1){
	if(color[x]) return;
	color[x]=pnt;
	if(pnt==1) w++;
	else b++;
	for(int i:v3[x]){
		dfs(i,-pnt);
	}
}
signed main(){
	quick
	int n,m;
	cin>>n>>m;
	rep(i,1,n){
		rep(j,1,m) cin>>c[i][j];
	}
	int Cc=0;
	int Cr=0;
	rep(i,1,n){
		rep(j,1,m){
			if(j+2<=m&&c[i][j]=='R'&&c[i][j+1]=='G'&&c[i][j+2]=='W'){
				++Cc;
				rep(jx,j,j+2){
					col[i][jx]=Cc;
				}
			}
			if(i+2<=n&&c[i][j]=='R'&&c[i+1][j]=='G'&&c[i+2][j]=='W'){
				++Cr;
				rep(ix,i,i+2){
					row[ix][j]=Cr;
				}
			}
		}
	}
	rep(i,1,n){
		rep(j,1,m){
			if(col[i][j]&&row[i][j]){
				add_edge(col[i][j],row[i][j]+Cc);
			}
		}
	}
	int n2=Cc+Cr;
	int ans=0;
	rep(i,1,n2){
		if(!color[i]){
			b=w=0;
			dfs(i,1);
			ans+=max(b,w);
		}
	}
	cout<<ans<<"\n";

	return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 70740 KB Output is correct
2 Correct 35 ms 70680 KB Output is correct
3 Correct 36 ms 70784 KB Output is correct
4 Correct 36 ms 70732 KB Output is correct
5 Correct 35 ms 70764 KB Output is correct
6 Correct 39 ms 70704 KB Output is correct
7 Correct 38 ms 70808 KB Output is correct
8 Correct 35 ms 70804 KB Output is correct
9 Correct 36 ms 70676 KB Output is correct
10 Correct 35 ms 70740 KB Output is correct
11 Correct 35 ms 70776 KB Output is correct
12 Correct 35 ms 70776 KB Output is correct
13 Correct 38 ms 70716 KB Output is correct
14 Correct 37 ms 70776 KB Output is correct
15 Correct 35 ms 70740 KB Output is correct
16 Correct 39 ms 70740 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 70740 KB Output is correct
2 Correct 35 ms 70680 KB Output is correct
3 Correct 36 ms 70784 KB Output is correct
4 Correct 36 ms 70732 KB Output is correct
5 Correct 35 ms 70764 KB Output is correct
6 Correct 39 ms 70704 KB Output is correct
7 Correct 38 ms 70808 KB Output is correct
8 Correct 35 ms 70804 KB Output is correct
9 Correct 36 ms 70676 KB Output is correct
10 Correct 35 ms 70740 KB Output is correct
11 Correct 35 ms 70776 KB Output is correct
12 Correct 35 ms 70776 KB Output is correct
13 Correct 38 ms 70716 KB Output is correct
14 Correct 37 ms 70776 KB Output is correct
15 Correct 35 ms 70740 KB Output is correct
16 Correct 39 ms 70740 KB Output is correct
17 Correct 37 ms 70800 KB Output is correct
18 Correct 36 ms 70728 KB Output is correct
19 Correct 36 ms 70780 KB Output is correct
20 Correct 36 ms 70784 KB Output is correct
21 Correct 37 ms 70844 KB Output is correct
22 Correct 38 ms 70808 KB Output is correct
23 Correct 36 ms 70740 KB Output is correct
24 Correct 36 ms 70768 KB Output is correct
25 Correct 36 ms 70680 KB Output is correct
26 Correct 37 ms 70676 KB Output is correct
27 Correct 35 ms 70772 KB Output is correct
28 Correct 36 ms 70884 KB Output is correct
29 Correct 37 ms 70820 KB Output is correct
30 Correct 36 ms 70828 KB Output is correct
31 Correct 39 ms 70768 KB Output is correct
32 Correct 38 ms 70720 KB Output is correct
33 Correct 36 ms 70856 KB Output is correct
34 Incorrect 35 ms 70832 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 70740 KB Output is correct
2 Correct 35 ms 70680 KB Output is correct
3 Correct 36 ms 70784 KB Output is correct
4 Correct 36 ms 70732 KB Output is correct
5 Correct 35 ms 70764 KB Output is correct
6 Correct 39 ms 70704 KB Output is correct
7 Correct 38 ms 70808 KB Output is correct
8 Correct 35 ms 70804 KB Output is correct
9 Correct 36 ms 70676 KB Output is correct
10 Correct 35 ms 70740 KB Output is correct
11 Correct 35 ms 70776 KB Output is correct
12 Correct 35 ms 70776 KB Output is correct
13 Correct 38 ms 70716 KB Output is correct
14 Correct 37 ms 70776 KB Output is correct
15 Correct 35 ms 70740 KB Output is correct
16 Correct 39 ms 70740 KB Output is correct
17 Correct 37 ms 70800 KB Output is correct
18 Correct 36 ms 70728 KB Output is correct
19 Correct 36 ms 70780 KB Output is correct
20 Correct 36 ms 70784 KB Output is correct
21 Correct 37 ms 70844 KB Output is correct
22 Correct 38 ms 70808 KB Output is correct
23 Correct 36 ms 70740 KB Output is correct
24 Correct 36 ms 70768 KB Output is correct
25 Correct 36 ms 70680 KB Output is correct
26 Correct 37 ms 70676 KB Output is correct
27 Correct 35 ms 70772 KB Output is correct
28 Correct 36 ms 70884 KB Output is correct
29 Correct 37 ms 70820 KB Output is correct
30 Correct 36 ms 70828 KB Output is correct
31 Correct 39 ms 70768 KB Output is correct
32 Correct 38 ms 70720 KB Output is correct
33 Correct 36 ms 70856 KB Output is correct
34 Incorrect 35 ms 70832 KB Output isn't correct
35 Halted 0 ms 0 KB -