EasyOCR

#include <cstdio>
using namespace std;
FILE *f=fopen("easyocr.in","r");
FILE *g=fopen("easyocr.out","w");
int n,m,i,j,aparitii[10],nrcif=0,nr,x,y,ok;
char a[1000][1000],c2,c5,c6;
struct el
{
    int x,y;
};

int coada(int x,int y,char a1,char b)
{
    register el coada1[30];
    register int ic=0,sf=0,i,
        x1[9]={-1,-1,0,1,1,1,0,-1},
        y1[9]={0,1,1,1,0,-1,-1,-1};
    nr++;
    ic=1;
    sf=1;
    coada1[sf].x=x;
    coada1[sf].y=y;
    a[x][y]=b;
    while(ic<=sf)
    {
        for(i=0;i<8;i++)
            if(a[coada1[ic].x+x1[i]][coada1[ic].y+y1[i]]==a1)
            {
                nr++;
                sf++;
                coada1[sf].x=coada1[ic].x+x1[i];
                coada1[sf].y=coada1[ic].y+y1[i];
                a[coada1[ic].x+x1[i]][coada1[ic].y+y1[i]]=b;
            }
        ic++;
    }
    return nr;
}

int main()
{
    fscanf(f,"%d %d\n",&n,&m);
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=m;j++)
            a[i][j]=fgetc(f);
        fgetc(f);
    }
    fclose(f);
    do
    {
        ok=0;
        for(i=1;i<=n&&ok==0;i++)
            for(j=1;j<=m&&ok==0;j++)
                if(a[i][j]=='1')
                {
                    ok=1;
                    x=i;
                    y=j;
                }
        c5=a[x+1][y];
        c2=a[x+4][y];
        c6=a[x+4][y];
        nr=0;
        coada(x,y,'1','0');
        switch(nr)
        {
            case 20: aparitii[0]++;nrcif++;break;
            case 8: aparitii[1]++;nrcif++;break;
            case 14: aparitii[4]++;nrcif++;break;
            case 11: aparitii[7]++;nrcif++;break;
            case 23: aparitii[8]++;nrcif++;break;
            case 19: if(c5=='1') {aparitii[5]++;nrcif++;}
                        else
                            if(c2=='1'){aparitii[2]++;nrcif++;}
                            else {aparitii[3]++;nrcif++;} break;
            case 21: if(c6=='1') {aparitii[6]++;nrcif++;}
                    else {aparitii[9]++;nrcif++;} break;
        }
    } while (ok==1);
    fprintf(g,"%d\n",nrcif);
    for(i=0;i<=9;i++)
        if(aparitii[i]!=0)
            fprintf(g,"%d %d ",i,aparitii[i]);
    fclose(g);
    return 0;
}