oj.uz

Submission #714139

# Submission time Handle Problem Language Result Execution time Memory
714139 2023-03-24T03:02:52 Z 089487 Dango Maker (JOI18_dango_maker) C++14
33 / 100
 119 ms 98568 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> v[M];
int my[M];
bool vis[N];
bool dfs(int x){
	vis[x]=true;
	for(int i:v[x]){
		if(my[i]==-1||(!vis[my[i]]&&dfs(my[i]))){
			my[i]=x;
			return true;
		}
	}
	return false;
}
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;
				}
			}
		}
	}
	int e=0;
	rep(i,1,n){
		rep(j,1,m){
			if(col[i][j]&&row[i][j]){
				v[col[i][j]].eb(row[i][j]);
				e++;
			}
		}
	}
	fill(my,my+Cr+1,-1);
	int ans=0;
	rep(i,1,Cc){
		ans+=dfs(i);
		fill(vis,vis+Cc+1,0LL);
	}
	cout<<Cr+Cc-ans<<"\n";

	return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 70736 KB Output is correct
2 Correct 36 ms 70680 KB Output is correct
3 Correct 37 ms 70784 KB Output is correct
4 Correct 34 ms 70712 KB Output is correct
5 Correct 33 ms 70740 KB Output is correct
6 Correct 35 ms 70708 KB Output is correct
7 Correct 34 ms 70732 KB Output is correct
8 Correct 39 ms 70732 KB Output is correct
9 Correct 37 ms 70740 KB Output is correct
10 Correct 39 ms 70736 KB Output is correct
11 Correct 44 ms 70824 KB Output is correct
12 Correct 36 ms 70860 KB Output is correct
13 Correct 37 ms 70752 KB Output is correct
14 Correct 36 ms 70736 KB Output is correct
15 Correct 36 ms 70712 KB Output is correct
16 Correct 35 ms 70700 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 70736 KB Output is correct
2 Correct 36 ms 70680 KB Output is correct
3 Correct 37 ms 70784 KB Output is correct
4 Correct 34 ms 70712 KB Output is correct
5 Correct 33 ms 70740 KB Output is correct
6 Correct 35 ms 70708 KB Output is correct
7 Correct 34 ms 70732 KB Output is correct
8 Correct 39 ms 70732 KB Output is correct
9 Correct 37 ms 70740 KB Output is correct
10 Correct 39 ms 70736 KB Output is correct
11 Correct 44 ms 70824 KB Output is correct
12 Correct 36 ms 70860 KB Output is correct
13 Correct 37 ms 70752 KB Output is correct
14 Correct 36 ms 70736 KB Output is correct
15 Correct 36 ms 70712 KB Output is correct
16 Correct 35 ms 70700 KB Output is correct
17 Correct 38 ms 70732 KB Output is correct
18 Correct 44 ms 70724 KB Output is correct
19 Correct 37 ms 70824 KB Output is correct
20 Correct 41 ms 70748 KB Output is correct
21 Correct 36 ms 70836 KB Output is correct
22 Correct 35 ms 70880 KB Output is correct
23 Correct 36 ms 70768 KB Output is correct
24 Correct 41 ms 70728 KB Output is correct
25 Correct 38 ms 70692 KB Output is correct
26 Correct 43 ms 70712 KB Output is correct
27 Correct 45 ms 70924 KB Output is correct
28 Correct 38 ms 70876 KB Output is correct
29 Correct 39 ms 70884 KB Output is correct
30 Correct 36 ms 70792 KB Output is correct
31 Correct 37 ms 70740 KB Output is correct
32 Correct 40 ms 70732 KB Output is correct
33 Correct 44 ms 70864 KB Output is correct
34 Correct 37 ms 70868 KB Output is correct
35 Correct 38 ms 70844 KB Output is correct
36 Correct 36 ms 70988 KB Output is correct
37 Correct 37 ms 70876 KB Output is correct
38 Correct 37 ms 70860 KB Output is correct
39 Correct 38 ms 70776 KB Output is correct
40 Correct 38 ms 70880 KB Output is correct
41 Correct 46 ms 70868 KB Output is correct
42 Correct 37 ms 70872 KB Output is correct
43 Correct 36 ms 70856 KB Output is correct
44 Correct 38 ms 70792 KB Output is correct
45 Correct 36 ms 70912 KB Output is correct
46 Correct 36 ms 70856 KB Output is correct
47 Correct 38 ms 70916 KB Output is correct
48 Correct 43 ms 70840 KB Output is correct
49 Correct 41 ms 70860 KB Output is correct
50 Correct 44 ms 70884 KB Output is correct
51 Correct 43 ms 70844 KB Output is correct
52 Correct 36 ms 70864 KB Output is correct
53 Correct 45 ms 70928 KB Output is correct

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 70736 KB Output is correct
2 Correct 36 ms 70680 KB Output is correct
3 Correct 37 ms 70784 KB Output is correct
4 Correct 34 ms 70712 KB Output is correct
5 Correct 33 ms 70740 KB Output is correct
6 Correct 35 ms 70708 KB Output is correct
7 Correct 34 ms 70732 KB Output is correct
8 Correct 39 ms 70732 KB Output is correct
9 Correct 37 ms 70740 KB Output is correct
10 Correct 39 ms 70736 KB Output is correct
11 Correct 44 ms 70824 KB Output is correct
12 Correct 36 ms 70860 KB Output is correct
13 Correct 37 ms 70752 KB Output is correct
14 Correct 36 ms 70736 KB Output is correct
15 Correct 36 ms 70712 KB Output is correct
16 Correct 35 ms 70700 KB Output is correct
17 Correct 38 ms 70732 KB Output is correct
18 Correct 44 ms 70724 KB Output is correct
19 Correct 37 ms 70824 KB Output is correct
20 Correct 41 ms 70748 KB Output is correct
21 Correct 36 ms 70836 KB Output is correct
22 Correct 35 ms 70880 KB Output is correct
23 Correct 36 ms 70768 KB Output is correct
24 Correct 41 ms 70728 KB Output is correct
25 Correct 38 ms 70692 KB Output is correct
26 Correct 43 ms 70712 KB Output is correct
27 Correct 45 ms 70924 KB Output is correct
28 Correct 38 ms 70876 KB Output is correct
29 Correct 39 ms 70884 KB Output is correct
30 Correct 36 ms 70792 KB Output is correct
31 Correct 37 ms 70740 KB Output is correct
32 Correct 40 ms 70732 KB Output is correct
33 Correct 44 ms 70864 KB Output is correct
34 Correct 37 ms 70868 KB Output is correct
35 Correct 38 ms 70844 KB Output is correct
36 Correct 36 ms 70988 KB Output is correct
37 Correct 37 ms 70876 KB Output is correct
38 Correct 37 ms 70860 KB Output is correct
39 Correct 38 ms 70776 KB Output is correct
40 Correct 38 ms 70880 KB Output is correct
41 Correct 46 ms 70868 KB Output is correct
42 Correct 37 ms 70872 KB Output is correct
43 Correct 36 ms 70856 KB Output is correct
44 Correct 38 ms 70792 KB Output is correct
45 Correct 36 ms 70912 KB Output is correct
46 Correct 36 ms 70856 KB Output is correct
47 Correct 38 ms 70916 KB Output is correct
48 Correct 43 ms 70840 KB Output is correct
49 Correct 41 ms 70860 KB Output is correct
50 Correct 44 ms 70884 KB Output is correct
51 Correct 43 ms 70844 KB Output is correct
52 Correct 36 ms 70864 KB Output is correct
53 Correct 45 ms 70928 KB Output is correct
54 Correct 43 ms 70732 KB Output is correct
55 Correct 42 ms 81104 KB Output is correct
56 Correct 37 ms 71084 KB Output is correct
57 Correct 46 ms 89580 KB Output is correct
58 Incorrect 119 ms 98568 KB Output isn't correct
59 Halted 0 ms 0 KB -