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没有考虑相对位置 居然也过了 排序 N*long(N) 2200ms 飘过#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
struct snow{
int a[6];
bool operator <(const snow k) const
{
for(int i=0;i<6;i++)
if(a[i]!=k.a[i]) return a[i]<k.a[i];
return true;
}
}s[100001];
bool comp(const snow s1,const snow s2)
{
for(int i=0;i<6;i++)
if(s1.a[i] !=s2.a[i]) return false;
return true;
}
int main()
{
int n;
scanf("%d",&n);
for(int i=0;i<n;i++)
{
for(int j=0;j<6;j++)
scanf("%d",&s[i].a[j]);
sort(s[i].a,s[i].a+6);
}
sort(s,s+n);
for(int i=0;i<n-1;i++)
{
if(comp(s[i],s[i+1]))
{
printf("Twin snowflakes found.\n");
return 0;
}
}
printf("No two snowflakes are alike.\n");
return 0;
}
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