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D. Vasiliy's Multiset time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output D. Vasiliy's Multi 阅读全文
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C - Hard problem Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 706C C - Hard problem Submit 阅读全文
摘要:
string s 求长度 int len=s.length(); 翻转字符串 reserve(s.begin(),s.end()); string s[100] 按字典序排序 sort(s,s+n); 也就是说对于string类型<>=是按字典序比较的 字符串的拼接 s=s1+s2+'a'+"ssd 阅读全文