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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; } Followed by:
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