oj.uz

답안 #714133

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
714133 2023-03-24T02:28:17 Z 089487 Dango Maker (JOI18_dango_maker) C++14
13 / 100
 48 ms 70952 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[N];
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

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 70732 KB Output is correct
2 Correct 38 ms 70732 KB Output is correct
3 Correct 37 ms 70780 KB Output is correct
4 Correct 42 ms 70772 KB Output is correct
5 Correct 44 ms 70732 KB Output is correct
6 Correct 39 ms 70740 KB Output is correct
7 Correct 38 ms 70804 KB Output is correct
8 Correct 42 ms 70764 KB Output is correct
9 Correct 38 ms 70788 KB Output is correct
10 Correct 39 ms 70696 KB Output is correct
11 Correct 38 ms 70724 KB Output is correct
12 Correct 38 ms 70740 KB Output is correct
13 Correct 38 ms 70768 KB Output is correct
14 Correct 46 ms 70848 KB Output is correct
15 Correct 39 ms 70708 KB Output is correct
16 Correct 40 ms 70768 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 70732 KB Output is correct
2 Correct 38 ms 70732 KB Output is correct
3 Correct 37 ms 70780 KB Output is correct
4 Correct 42 ms 70772 KB Output is correct
5 Correct 44 ms 70732 KB Output is correct
6 Correct 39 ms 70740 KB Output is correct
7 Correct 38 ms 70804 KB Output is correct
8 Correct 42 ms 70764 KB Output is correct
9 Correct 38 ms 70788 KB Output is correct
10 Correct 39 ms 70696 KB Output is correct
11 Correct 38 ms 70724 KB Output is correct
12 Correct 38 ms 70740 KB Output is correct
13 Correct 38 ms 70768 KB Output is correct
14 Correct 46 ms 70848 KB Output is correct
15 Correct 39 ms 70708 KB Output is correct
16 Correct 40 ms 70768 KB Output is correct
17 Correct 38 ms 70744 KB Output is correct
18 Correct 40 ms 70732 KB Output is correct
19 Correct 40 ms 70828 KB Output is correct
20 Correct 37 ms 70864 KB Output is correct
21 Correct 44 ms 70852 KB Output is correct
22 Correct 48 ms 70840 KB Output is correct
23 Correct 37 ms 70740 KB Output is correct
24 Correct 38 ms 70732 KB Output is correct
25 Correct 41 ms 70740 KB Output is correct
26 Correct 38 ms 70736 KB Output is correct
27 Correct 41 ms 70800 KB Output is correct
28 Correct 41 ms 70952 KB Output is correct
29 Correct 39 ms 70884 KB Output is correct
30 Correct 38 ms 70736 KB Output is correct
31 Correct 37 ms 70760 KB Output is correct
32 Correct 45 ms 70732 KB Output is correct
33 Correct 35 ms 70776 KB Output is correct
34 Incorrect 37 ms 70812 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# 결과 실행 시간 메모리 Grader output
1 Correct 40 ms 70732 KB Output is correct
2 Correct 38 ms 70732 KB Output is correct
3 Correct 37 ms 70780 KB Output is correct
4 Correct 42 ms 70772 KB Output is correct
5 Correct 44 ms 70732 KB Output is correct
6 Correct 39 ms 70740 KB Output is correct
7 Correct 38 ms 70804 KB Output is correct
8 Correct 42 ms 70764 KB Output is correct
9 Correct 38 ms 70788 KB Output is correct
10 Correct 39 ms 70696 KB Output is correct
11 Correct 38 ms 70724 KB Output is correct
12 Correct 38 ms 70740 KB Output is correct
13 Correct 38 ms 70768 KB Output is correct
14 Correct 46 ms 70848 KB Output is correct
15 Correct 39 ms 70708 KB Output is correct
16 Correct 40 ms 70768 KB Output is correct
17 Correct 38 ms 70744 KB Output is correct
18 Correct 40 ms 70732 KB Output is correct
19 Correct 40 ms 70828 KB Output is correct
20 Correct 37 ms 70864 KB Output is correct
21 Correct 44 ms 70852 KB Output is correct
22 Correct 48 ms 70840 KB Output is correct
23 Correct 37 ms 70740 KB Output is correct
24 Correct 38 ms 70732 KB Output is correct
25 Correct 41 ms 70740 KB Output is correct
26 Correct 38 ms 70736 KB Output is correct
27 Correct 41 ms 70800 KB Output is correct
28 Correct 41 ms 70952 KB Output is correct
29 Correct 39 ms 70884 KB Output is correct
30 Correct 38 ms 70736 KB Output is correct
31 Correct 37 ms 70760 KB Output is correct
32 Correct 45 ms 70732 KB Output is correct
33 Correct 35 ms 70776 KB Output is correct
34 Incorrect 37 ms 70812 KB Output isn't correct
35 Halted 0 ms 0 KB -