OJ Board

#include<cstdio>
#include<cstring>
char s[100][100];
int n,c;
bool isvalid(int i,int j)
{
return i>=0 && i<n && j>=0 && j<n;
}

int dx[]={0,0,1,-1,1,-1,-1,1};
int dy[]={1,-1,0,0,1,-1,1,-1};


void floodfill(int i,int j)
{int k;
if(!isvalid(i,j))
return ;

else if(s[i][j]=='0')
return ;
else ...

#pragma warning (disable:4786)
#include<cstdio>
#include<vector>
#include<map>
#include<string>
#include<cstring>
using namespace std;
vector <int> adj[105];
int col[105];
char str[205][100];
map <string,int> M;
void topo(int u)
{
int i;
if(col ==0)
{
for(i=0;i<adj .size();i++)
{
topo(adj ...