oj.uz

답안 #136313

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
136313 2019-07-25T06:41:04 Z KLPP Dango Maker (JOI18_dango_maker) C++14
13 / 100
 30 ms 23928 KB 
#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
typedef pair<lld,lld> pii;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define trav(a,v) for(auto a:v)
int has[3000][3000][2];
int n,m;
bool valid(int x, int y){
  if(x>=0 && x<n && y>=0 && y<m)return true;
  return false;
}
bool visited[10000000];
int size;
int independent;
vector<int> graph[1000000];
void DFS(int node, int parity){
  independent+=parity;
  visited[node]=true;
  size++;
  trav(v,graph[node]){
    if(!visited[v])DFS(v,(parity+1)%2);
  }
}
int main(){
  
  cin>>n>>m;
  string table[n];
  rep(i,0,n){
    cin>>table[i];
  }
  int V=0;
  int H=0;
  vector<pii> v;
  vector<pii> h;
  rep(i,0,n){
    rep(j,0,m){
      has[i][j][0]=-1;
      has[i][j][1]=-1;
      if(table[i][j]=='R'){
	if(i+2<n && table[i+1][j]=='G' && table[i+2][j]=='W'){
	  has[i][j][0]=V;
	  V++;
	  v.push_back(pii(i,j));
	}
	if(j+2<m && table[i][j+1]=='G' && table[i][j+2]=='W'){
	  has[i][j][1]=H;
	  H++;
	  h.push_back(pii(i,j));
	}
      }
    }
  }
  rep(i,0,n){
    rep(j,0,m){
      if(has[i][j][0]!=-1){
	if(has[i][j][1]!=-1){
	  graph[has[i][j][0]].push_back(has[i][j][1]+V);
	  graph[has[i][j][1]+V].push_back(has[i][j][0]);
	}
	if(valid(i+1,j-1) && has[i+1][j-1][1]!=-1){
	  graph[has[i][j][0]].push_back(has[i+1][j-1][1]+V);
	  graph[has[i+1][j-1][1]+V].push_back(has[i][j][0]);
	}
	if(valid(i+2,j-2) && has[i+2][j-2][1]!=-1){
	  graph[has[i][j][0]].push_back(has[i+2][j-2][1]+V);
	  graph[has[i+2][j-2][1]+V].push_back(has[i][j][0]);
	}
      }
    }
  }
  /*cout<<V+H<<endl;
  rep(i,0,V+H){
    trav(v,graph[i]){
      cout<<v<<" ";
    }
    cout<<endl;
  }*/
  rep(i,0,V+H){
    visited[i]=false;
  }
  int ans=0;
  rep(i,0,V+H){
    if(!visited[i]){
      size=0;
      independent=0;
      DFS(i,0);
      ans+=max(independent,size-independent);
    }
  }
  cout<<ans<<endl;
  return 0;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 23 ms 23800 KB Output is correct
4 Correct 24 ms 23800 KB Output is correct
5 Correct 24 ms 23800 KB Output is correct
6 Correct 28 ms 23800 KB Output is correct
7 Correct 29 ms 23800 KB Output is correct
8 Correct 30 ms 23800 KB Output is correct
9 Correct 28 ms 23804 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 24 ms 23800 KB Output is correct
12 Correct 28 ms 23928 KB Output is correct
13 Correct 24 ms 23800 KB Output is correct
14 Correct 24 ms 23800 KB Output is correct
15 Correct 24 ms 23800 KB Output is correct
16 Correct 24 ms 23800 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 23 ms 23800 KB Output is correct
4 Correct 24 ms 23800 KB Output is correct
5 Correct 24 ms 23800 KB Output is correct
6 Correct 28 ms 23800 KB Output is correct
7 Correct 29 ms 23800 KB Output is correct
8 Correct 30 ms 23800 KB Output is correct
9 Correct 28 ms 23804 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 24 ms 23800 KB Output is correct
12 Correct 28 ms 23928 KB Output is correct
13 Correct 24 ms 23800 KB Output is correct
14 Correct 24 ms 23800 KB Output is correct
15 Correct 24 ms 23800 KB Output is correct
16 Correct 24 ms 23800 KB Output is correct
17 Correct 24 ms 23800 KB Output is correct
18 Correct 25 ms 23900 KB Output is correct
19 Correct 24 ms 23772 KB Output is correct
20 Correct 24 ms 23928 KB Output is correct
21 Correct 24 ms 23800 KB Output is correct
22 Correct 24 ms 23928 KB Output is correct
23 Correct 24 ms 23904 KB Output is correct
24 Correct 24 ms 23928 KB Output is correct
25 Correct 23 ms 23800 KB Output is correct
26 Correct 29 ms 23800 KB Output is correct
27 Correct 24 ms 23848 KB Output is correct
28 Correct 23 ms 23928 KB Output is correct
29 Correct 24 ms 23800 KB Output is correct
30 Correct 24 ms 23900 KB Output is correct
31 Correct 24 ms 23928 KB Output is correct
32 Correct 24 ms 23800 KB Output is correct
33 Correct 24 ms 23928 KB Output is correct
34 Incorrect 24 ms 23928 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 23 ms 23800 KB Output is correct
4 Correct 24 ms 23800 KB Output is correct
5 Correct 24 ms 23800 KB Output is correct
6 Correct 28 ms 23800 KB Output is correct
7 Correct 29 ms 23800 KB Output is correct
8 Correct 30 ms 23800 KB Output is correct
9 Correct 28 ms 23804 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 24 ms 23800 KB Output is correct
12 Correct 28 ms 23928 KB Output is correct
13 Correct 24 ms 23800 KB Output is correct
14 Correct 24 ms 23800 KB Output is correct
15 Correct 24 ms 23800 KB Output is correct
16 Correct 24 ms 23800 KB Output is correct
17 Correct 24 ms 23800 KB Output is correct
18 Correct 25 ms 23900 KB Output is correct
19 Correct 24 ms 23772 KB Output is correct
20 Correct 24 ms 23928 KB Output is correct
21 Correct 24 ms 23800 KB Output is correct
22 Correct 24 ms 23928 KB Output is correct
23 Correct 24 ms 23904 KB Output is correct
24 Correct 24 ms 23928 KB Output is correct
25 Correct 23 ms 23800 KB Output is correct
26 Correct 29 ms 23800 KB Output is correct
27 Correct 24 ms 23848 KB Output is correct
28 Correct 23 ms 23928 KB Output is correct
29 Correct 24 ms 23800 KB Output is correct
30 Correct 24 ms 23900 KB Output is correct
31 Correct 24 ms 23928 KB Output is correct
32 Correct 24 ms 23800 KB Output is correct
33 Correct 24 ms 23928 KB Output is correct
34 Incorrect 24 ms 23928 KB Output isn't correct
35 Halted 0 ms 0 KB -