# 題目紀錄 [Day 5](https://codeforces.com/problemset/problem/1454/D) [Day 6](https://codeforces.com/problemset/problem/1775/B) [Day 7](https://codeforces.com/problemset/problem/1583/D) [Day 8](https://codeforces.com/problemset/problem/1504/B) [Day 9](https://codeforces.com/problemset/problem/1497/C2) [Day 10](https://codeforces.com/problemset/problem/1381/A1) [Day 11](https://codeforces.com/problemset/problem/1740/C) [Day 12](https://codeforces.com/problemset/problem/1118/E) [Day 13](https://codeforces.com/problemset/problem/1136/C) [Day 14](https://codeforces.com/problemset/problem/1516/C) [Day 15](https://codeforces.com/problemset/problem/1353/D) [Day 16](https://codeforces.com/problemset/problem/1023/D) [Day 17](https://codeforces.com/problemset/problem/1672/D) [Day 18](https://codeforces.com/problemset/problem/1384/A) [Day 19](https://codeforces.com/problemset/problem/1360/F) [Day 20](https://codeforces.com/problemset/problem/1395/B) [Day 21](https://codeforces.com/problemset/problem/1761/C) [Day 22](https://codeforces.com/problemset/problem/1043/C) [Day 23](https://codeforces.com/problemset/problem/1630/A) [Day 24](https://codeforces.com/problemset/problem/1774/C) 5/1 [Day 25](https://codeforces.com/problemset/problem/1088/C) 5/2 [Day 26](https://codeforces.com/problemset/problem/1042/C) 5/3 [Day 27](https://codeforces.com/problemset/problem/1068/C) 5/4 [Day 28](https://codeforces.com/problemset/problem/1809/C) 5/5 [Day 29](https://codeforces.com/problemset/problem/1063/A) 5/6 [Day 30](https://codeforces.com/problemset/problem/1196/E) 5/7 [Day 31](https://codeforces.com/problemset/problem/1401/C) 5/8 [Day 32](https://codeforces.com/problemset/problem/1272/B) 5/9 [Day 33](https://codeforces.com/problemset/problem/1254/A) 5/10 >> 被簡單題梗到了,幹,小心又有構造又有數學標籤的東東 [Day 34](https://codeforces.com/problemset/problem/1455/B) 5/11 >> 又..又被梗到了 [Day 35](https://codeforces.com/problemset/problem/1579/D) 5/12 >> 幹!我覺得這題根本不只1600的難度,最後的做法得用通靈出來的,實作上又不直覺,我到做完為止還是搞不懂 [Day 36](https://codeforces.com/problemset/problem/1017/C) 5/13 >> 哭,我想了一陣子去看題解,有種被暴雷的感覺...這題是很經典的構造題 [Day 37](https://codeforces.com/problemset/problem/1368/C) 5/14 [Day 38](https://codeforces.com/problemset/problem/1270/C) [Day 39](https://codeforces.com/problemset/problem/1687/B) [Day 40](https://codeforces.com/problemset/problem/1781/C) [Day 41](https://codeforces.com/problemset/problem/1806/C) [Day 42](https://codeforces.com/problemset/problem/1215/C) [Day 43](https://codeforces.com/problemset/problem/1662/M) [Day 44](https://codeforces.com/problemset/problem/1725/H) [Day 45](https://codeforces.com/problemset/problem/1266/C) [Day 46](https://codeforces.com/problemset/problem/1781/C) 以後盡量挑Codeforces round 450後的比賽,題目編號大概得>900 rating 選擇更動成1200~2000 [Day 47](https://codeforces.com/problemset/problem/1776/F) [Day 48](https://codeforces.com/problemset/problem/1747/D) [Day 49](https://codeforces.com/problemset/problem/1103/B) [Day 50](https://codeforces.com/problemset/problem/1365/E)
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