Red Huang

//====================================================================||  
//                                                                    ||  
//                                                                    ||  
//                         作者 : GCA                               ||  
//                  6AE7EE02212D47DAD26C32C0FE829006                  ||  
//====================================================================||  
#include <iostream>  
#include <cstdio>  
#include <cstring>  
#include <algorithm>  
#include <cmath>  
#include <climits>  
#include <vector>  
#include <set>  
#include <map>  
#include <queue>  
#include <cctype>  
#include <utility>  
using namespace std;  
#ifdef ONLINE\_JUDGE  
#define ll "%lld"  
#else  
#define ll "%I64d"  
#endif  
typedef unsigned int uint;  
typedef long long int Int;  
#define Set(a,s) memset(a,s,sizeof(a))  
#define Write(w) freopen(w,"w",stdout)  
#define Read(r) freopen(r,"r",stdin)  
#define Pln() printf("\\n")  
#define I\_de(x,n)for(int i=0;i<n;i++)printf("%d ",x\[i\]);Pln()  
#define De(x)printf(#x"%d\\n",x)  
#define For(i,x)for(int i=0;i<x;i++)  
#define CON(x,y) x##y  
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\\  
    printf("%d ",dp\[htx\]\[hty\]);}Pln();}  
#define M 410  
#define PII pair<int,int\>  
#define PB push\_back  
#define oo INT\_MAX  
#define Set\_oo 0x3f  
#define Is\_debug true  
#define debug(...) if(Is\_debug)printf("DEBUG: "),printf(\_\_VA\_ARGS\_\_)  
#define FOR(it,c) for(\_\_typeof((c).begin()) it=(c).begin();it!=(c).end();it++)  
#define eps 1e-6  
bool xdy(double x,double y){return x>y+eps;}  
bool xddy(double x,double y){return x>y-eps;}  
bool xcy(double x,double y){return x<y-eps;}  
bool xcdy(double x,double y){return x<y+eps;}  
int min3(int x,int y,int z){  
    int tmp=min(x,y);  
    return min(tmp,z);  
}  
int max3(int x,int y,int z){  
    int tmp=max(x,y);  
    return max(tmp,z);  
}  
enum{  
    START=408,  
    END=409  
};  
vector<int\> mz\[M\];  
char mzz\[M\]\[M\];  
int dx\[4\]={0,0,1,-1};  
int dy\[4\]={1,-1,0,0};  
int ny,nx;  
int all;  
int mx\[M\],my\[M\];  
int n;  
bool visty\[M\];  
void init(){  
    for(int i=0;i<M;i++){  
        mz\[i\].clear();  
    }  
    all=0;  
}  
bool dfs(int x){  
    FOR(it,mz\[x\]){  
        int y=(\*it);  
        if(!visty\[y\]){  
            visty\[y\]=true;  
            if(my\[y\]==-1||dfs(my\[y\])){  
                mx\[x\]=y;my\[y\]=x;  
                return true;  
            }  
        }  
    }  
    return false;  
}  
void solve(){  
    Set(mx,-1);  
    Set(my,-1);  
    int c=0;  
    for(int i=0;i<n;i++){  
        Set(visty,0);  
        if(dfs(i))c++;  
    }  
//    for(int i=0;i<n;i++){  
//        if(mx\[i\]!=-1)debug("%d %d\\n",i,mx\[i\]);  
//    }  
    int tmp=all-c\*2;  
    c+=tmp;  
    printf("%d\\n",c);  
}  
int main() {  
    ios\_base::sync\_with\_stdio(0);  
    int test;  
    scanf("%d",&test);  
    while(test--){  
        init();  
        scanf("%d%d%\*c",&ny,&nx);  
        for(int i=0;i<ny;i++){  
            scanf("%s",mzz\[i\]);  
        }  
        for(int i=0;i<ny;i++){  
            for(int j=0;j<nx;j++){  
                if(mzz\[i\]\[j\]=='\*')all++;  
                if(((i+j)&1)&&mzz\[i\]\[j\]=='\*'){  
                    for(int k=0;k<4;k++){  
                        int newx=j+dx\[k\];  
                        int newy=i+dy\[k\];  
                        if(newx<0||newx>=nx||newy<0||newy>=ny)continue;  
                        if(mzz\[newy\]\[newx\]!='\*')continue;  
                        mz\[i\*nx+j\].PB(newy\*nx+newx);  
//                        mz\[newy\*nx+newx\].PB(i\*nx+j);  
//                        debug("%d %d\\n",i\*nx+j,newy\*nx+newx);  
                    }  
                }  
            }  
        }  
        n=ny\*nx;  
        solve();  
    }  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
}