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Re:map不是更快么?In Reply To:直接排序才是王道啊~~~ Posted by:xwbsw at 2008-07-16 21:26:03 #include <iostream>
#include <map>
#include <algorithm>
using namespace std;
int n, a[5];
long long int s=0;
int main()
{
map<long long int, int>::iterator itr;
while(scanf("%d", &n) && n!=0)
{
int max=0, result=0;
map<long long int, int> _map;
for(int t=0; t<n; t++)
{
for(int i=0; i<5; i++)
scanf("%d", &a[i]);
s=0;
sort(a, a+5);
for(int i=0; i<5; i++)
s=s*1000+a[i];
_map[s]++;
if(_map[s]>max)
max=_map[s];
}
for(itr=_map.begin(); itr!=_map.end(); itr++)
if(itr->second==max)
result+=max;
printf("%d\n", result);
}
return 0;
}
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