lucky_少哖

摘要： const int mod=1e9+7; typedef long long ll; //返回d=gcd(a,b);和对应于等式ax+by=d中的x,y ll extend_gcd(ll a,ll b,ll &x,ll &y) { if(a==0&&b==0) return -1;//无最大公约数 if(b==0){x=1;y=0;return a;} ll d=exte... 阅读全文

摘要： "红色病毒"问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5562 Accepted Submission(s): 2323 Proble 阅读全文

摘要： Just a Hook Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 25414 Accepted Submission(s): 12686 P 阅读全文

摘要： Time Limit: 20000/8000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17256 Accepted Submission(s): 7291 阅读全文

摘要： Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 16188 Accepted Submission(s): 9845 复制了大神的博客： 弄了半天 阅读全文

摘要： Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 57711 Accepted Submission(s): 22529 阅读全文

摘要： Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 14711 Accepted Submission(s): 7354 2.非线段树 阅读全文

摘要： Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 67471 Accepted Submission(s): 28374 阅读全文

摘要： 小Ho很喜欢在课间去小卖部买零食。然而不幸的是，这个学期他又有在一教的课，而一教的小卖部姐姐以冷若冰霜著称。第一次去一教小卖部买零食的时候，小Ho由于不懂事买了好一大堆东西，被小卖部姐姐给了一个“冷若冰霜”的眼神，食欲都下降了很多。 从那以后，小Ho就学乖了，去小卖部买东西只敢同时买3包以内的零食， 阅读全文

摘要： 复习时间 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6586 Accepted Submission(s): 4854 Problem De 阅读全文