代码源周赛 习题随机记录

ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);

[R1A]最大奇数 https://www.cnblogs.com/itdef/p/18975575
[R1B]砖块覆盖 https://www.cnblogs.com/itdef/p/18976909
[R1C]区间求和 https://www.cnblogs.com/itdef/p/18976876
[R1D]传送 https://www.cnblogs.com/itdef/p/18976695
[R2D]倍数问题 https://www.cnblogs.com/itdef/p/18975580
[R3A]出现次数统计 https://www.cnblogs.com/itdef/p/18978460
[R3B]k次幂求和 https://www.cnblogs.com/itdef/p/18978512
[R3C]公因数求和 https://www.cnblogs.com/itdef/p/18978796
[R3D]拼三角形 https://www.cnblogs.com/itdef/p/18978964
[R10C]多重回字 https://www.cnblogs.com/itdef/p/18974417
[R10D]合成球 https://www.cnblogs.com/itdef/p/18974646
[R11A]出现奇数次的偶数 https://www.cnblogs.com/itdef/p/18974736
[R11B]前三小 https://www.cnblogs.com/itdef/p/18974789

[R12A]箭头 https://www.cnblogs.com/itdef/p/18979335

[R17A]谁在装弱 https://www.cnblogs.com/itdef/p/18984252
[R17B]最多连胜 https://www.cnblogs.com/itdef/p/18984235
[R17C]投票分组2 https://www.cnblogs.com/itdef/p/18984185
[R17D]数字跳跃 https://www.cnblogs.com/itdef/p/18983891

[R18A]挑食 https://www.cnblogs.com/itdef/p/18984076
[R18B]项链 https://www.cnblogs.com/itdef/p/18984060
[R18C]支架2 https://www.cnblogs.com/itdef/p/18983611

[R19A] 特殊卡片 https://www.cnblogs.com/itdef/p/18984202
[R19B]乘法 https://www.cnblogs.com/itdef/p/18975578
[R19C]字符串操作 https://www.cnblogs.com/itdef/p/18975610
[R19D]构造序列 https://www.cnblogs.com/itdef/p/18976350
[R19E]区间和 https://www.cnblogs.com/itdef/p/18977560