#include <set>#include <map>#include <cctype>#include <cstdio>#include <string>#include <algorithm>using namespace std;const int SS = 1, MM = 60 * SS, HH = 60 * MM, DD = 24 * HH, TEN = 10;const int DIFF = 6 * HH;inline int CharToInt(const char ch){ return ch - '0';}inline int TimeToInt(const char* const Time){ return CharToInt(Time[0]) * TEN * DD + CharToInt(Time[1]) * DD + CharToInt(Time[3]) * TEN * HH + CharToInt(Time[4]) * HH + CharToInt(Time[6]) * TEN * MM + CharToInt(Time[7]) * MM + CharToInt(Time[9]) * TEN * SS + CharToInt(Time[10]) * SS;}inline void ToLower(string& str){ for (size_t i = 0; i < str.length(); i++) if(isupper(str[i])) str[i] = tolower(str[i]);}struct Address{ const string topDomain; const string Domain; map<string, pair<int, pair<int, int> > >* const Records; Address(const string& atopDomain, const string& aDomain) : topDomain(atopDomain), Domain(aDomain), Records(new map<string, pair<int, pair<int ,int> > >) { } ~Address() { delete Records; } bool operator<(const Address& rhs) const { if(topDomain == rhs.topDomain) return Domain < rhs.Domain; else return topDomain < rhs.topDomain; } void insert(const string& cur, const int atime) const { map<string, pair<int, pair<int, int> > >::iterator it = Records->find(cur); if(it == Records->end()) (*Records)[cur] = make_pair(atime, make_pair(1, 0)); else if(atime < it->second.first + DIFF) ++it->second.second.second; else { ++it->second.second.first; it->second.first = atime; } } void show() const { printf("Second level domain = %sn", Domain.c_str()); for (map<string, pair<int, pair<int, int> > >::const_iterator it = Records->begin(); it != Records->end(); ++it) printf("%-65s%4d%4dn", it->first.c_str(), it->second.second.first, it->second.second.second); }};char buf[88];int main(void){ string::size_type pre, pos; int atime; string cur, topDomain, Domain; Address *add; set<Address> st; set<Address>::iterator it; while(gets(buf)) { if(buf[0] == '3' && buf[1] == '2') break; atime = TimeToInt(buf); cur = string(buf + 12); ToLower(cur); pre = cur.rfind('.'); topDomain = cur.substr(pre + 1); pos = cur.rfind('.', pre - 1); if(pos == string::npos) pos = cur.rfind('@', pre - 1); else pos = max(pos, cur.rfind('@', pre - 1)); Domain = cur.substr(pos + 1, pre - pos - 1); add = new Address(topDomain, Domain); it = st.find(*add); if(it == st.end()) { st.insert(*add); it = st.find(*add); } else { delete add; add = NULL; } it->insert(cur, atime); } topDomain = ""; for (it = st.begin(); it != st.end(); ++it) { if(it->topDomain != topDomain) { topDomain = it->topDomain; if(it != st.begin()) puts("n"); printf("TOP-LEVEL DOMAIN = %sn", topDomain.c_str()); } else if(it != st.begin()) puts(""); it->show(); } return 0;}
