括号内数字1-3代表我对这题的喜爱程度
特别的，a表示直接编出题目再去想做法(tot10,avg2.9)，b表示从做法编出题目(tot6,avg2.33)，c表示受别的题启发而来(tot3,avg1.67)，d表示强行给出的签到题(tot1,avg1)
（cd逐步退出了历史的舞台）
冰(2,c)
https://acm.nflsoj.com/problem/177
光(3,b)
https://acm.nflsoj.com/problem/178
影(1,c)
https://acm.nflsoj.com/problem/179
Balance(3,a)
https://acm.nflsoj.com/problem/300
Hack it(2,c)
https://acm.nflsoj.com/problem/302
花(2,b)
https://acm.nflsoj.com/problem/220
雾(2,a)
https://acm.nflsoj.com/problem/221
雨(2,b)
https://acm.nflsoj.com/problem/222
Imbalance(3,b)
https://acm.nflsoj.com/problem/379
雪(2,b)
https://acm.nflsoj.com/problem/434
月(3,a)
https://acm.nflsoj.com/problem/435
键(3,a)
https://acm.nflsoj.com/problem/436
火(1,d)
https://acm.nflsoj.com/problem/437
风(3,a)
https://acm.nflsoj.com/problem/439
特工(3,a)
https://acm.nflsoj.com/problem/675
林(3,a)
https://acm.nflsoj.com/problem/676
芳(2,b)
https://acm.nflsoj.com/problem/677
蚀(3,a)
https://acm.nflsoj.com/problem/678
星(3,a)
https://acm.nflsoj.com/problem/679
石头剪刀布(3,a)
https://acm.nflsoj.com/problem/680
题解：
https://acm.nflsoj.com/blog/skyline/blog/193
https://acm.nflsoj.com/blog/trcyx/blog/249
https://acm.nflsoj.com/blog/skyline/blog/268