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Copy path#1474 拆字游戏(dfs,记录状态).cpp
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#1474 拆字游戏(dfs,记录状态).cpp
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//
// Created by SeeKHit on 2017/3/5.
//
#include "iostream"
#include "vector"
#include "algorithm"
#define MAX 505
using namespace std;
char a[MAX][MAX];
int di[4]={1,-1,0,0};
int dj[4]={0,0,1,-1};
int n,m;
int n1=0; //记录多少个块
vector<pair<int,int>> vv[500*505];//记录图形点的数组
void dfs(int i,int j,int id)
{
a[i][j]='x';
vv[id].push_back(make_pair(i-1,j-1));
int ar=1;
for(int ii=0;ii<4;ii++)
{
int ni=di[ii]+i,nj=dj[ii]+j;
if(a[ni][nj]=='1')
dfs(ni,nj,id);
}
}
int vvv[500][505]; //记录字块
void Print(int id)
{
int cow=0,rol=0;
int maxx=0,minx=1e9,maxy=0,miny=1e9;
for(int t=0;t<vv[id].size();t++)
{
maxx=max(maxx,vv[id][t].first);
minx=min(minx,vv[id][t].first);
maxy=max(maxy,vv[id][t].second);
miny=min(miny,vv[id][t].second);
int x=vv[id][t].first;
int y=vv[id][t].second;
}
rol=maxy-miny+1;
cow=maxx-minx+1;
cout<<cow<<" "<<rol<<endl;
for(int t=0;t<vv[id].size();t++)
{
int x=vv[id][t].first;
int y=vv[id][t].second;
vvv[x-minx][y-miny]=1;
}
for(int i=0;i<cow;i++)
{
for(int j=0;j<rol;j++)
{
cout<<vvv[i][j];
vvv[i][j]=0;
}
cout<<endl;
}
}
int main()
{
scanf("%d %d",&n,&m);
for(int i=0;i<n;i++)
scanf("%s",a[i+1]+1);
for(int j=1;j<=m;j++)
for(int i=1;i<=n;i++)
{
if(a[i][j]=='1')
{
n1++;
dfs(i,j,n1);
}
}
for(int i=1;i<=n1;i++)
{
Print(i);
}
}