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好弱的代码啊:int main()
{
int order[5];
scanf("%d%d%d%d%d%d%d%d",&a1,&b1,&a2,&b2,&a3,&b3,&a4,&b4);
top=0;
for(int mask=0;mask<16;mask++)
{
order[0]=1;
order[1]=2;
order[2]=3;
order[3]=4;
for(int i=0;i<24;i++)
{
solve(mask,order[0],order[1],order[2],order[3]);
next_permutation(order,order+4);
}
}
sort(ans,ans+top);
top=unique(ans,ans+top)-ans;
printf("%d\n",ans[0].S);
for(int i=0;i<top;i++)
{
if(ans[i].S!=ans[0].S)break;
printf("%d %d\n",ans[i].f1,ans[i].f2);
}
}
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