cf 1015 E1. Stars Drawing (Easy Edition)

#includeusing namespace std;
char graph[110][110];
int vis[110][110];
int xx[10010];
int yy[10010];
int si[10010];
int tot;
int n,m;
bool check(int i,int j,int k)
{
    if(i-k1||i+k>n||j-k1||j+k>m)
      return false;
    return true;
}
int main()
{
    scanf("%d%d",&n,&m);
    for(int i=1;i)
    {
        getchar();
        for(int j=1;j)
        {
            scanf("%c",&graph[i][j]);
        }
    }
    for(int i=1;i)
    {
        for(int j=1;j)
        {
            if(graph[i][j]==‘*‘)
            {
                int index=-1;
                for(int k=1;check(i,j,k);k++)
                {
                    if(graph[i+k][j]==‘*‘&&graph[i-k][j]==‘*‘&&graph[i][j+k]==‘*‘&&graph[i][j-k]==‘*‘)
                    {
                        index=k;
                        vis[i][j]=vis[i+k][j]=vis[i-k][j]=vis[i][j+k]=vis[i][j-k]=1;
                    }
                    else
                      break;    
                }    
                if(index!=-1)
                {
                    xx[++tot]=i;
                    yy[tot]=j;
                    si[tot]=index;
                }
            }    
        }
    }
    for(int i=1;i)
    {
        for(int j=1;j)
        {
            if(graph[i][j]==‘*‘&&vis[i][j]==0)
            {
                printf("-1\n");
                return 0;
            }
        }
    }
    printf("%d\n",tot);
    for(int i=1;i)
       printf("%d %d %d\n",xx[i],yy[i],si[i]);
}