hiho week 57 register

Ended

Participants:308

Verdict:Accepted
Score:100 / 100
Submitted:2015-08-02 16:35:21

Lang:G++

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#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
const int N = 35;
int dx[]={1,-1,0,0};
int dy[]={0,0,1,-1};
int a[N][N],b[N][N],tt[N];
int ans,n=30;
char s[N];
void write(int m)
{
    int y=m%6;
    if(!y) y=6;
    int x=(m-y)/6+1;
    printf("%d %d\n",x,y);
}
void guass()
{
    for(int i=1;i<=n;i++)
    {
        for(int j=i;j<=n;j++)
            if(a[j][i]) 
            {
                for(int k=1;k<=n+1;k++)
                {
                    swap(a[j][k],a[i][k]);
                    swap(b[j][k],b[i][k]);
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