| 题号 |
题目 |
知识点 |
题解链接 |
| 1312E |
Array Shrinking |
区间dp |
https://codeforces.ml/contest/1312/problem/E |
| 1369E |
DeadLee |
思维、贪心 |
https://codeforces.ml/contest/1369/problem/E |
| 1367F2 |
Flying Sort(Hard Version) |
思维、dp |
https://codeforces.ml/contest/1367/problem/F2 |
| 1367D |
Task on The Board |
思维、构造 |
https://codeforces.ml/contest/1367/problem/D |
| 1168C |
And Reachability |
bit、思维、dp |
https://codeforces.ml/contest/1168/problem/C |
| 1175E |
Minnal Segment Cover |
倍增 |
https://codeforces.ml/contest/1175/problem/E |
| 900C |
Remove Extra One |
思维 |
https://codeforces.ml/contest/900/problem/C |
| 900E |
Maximum Question |
偏序dp |
https://codeforces.ml/contest/900/problem/E |
| 1156E |
0-1-Tree |
树形dp、并查集 |
https://codeforces.ml/contest/1156/problem/E |
| 960F |
Pathwalks |
主席树(G) |
https://codeforces.ml/contest/960/problem/F |
| 1076E |
Vasya and a Tree |
离线、树状数组 |
https://codeforces.ml/contest/1076/problem/E |
| 1076D |
Edge Deletion |
最短路(G) |
https://codeforces.ml/contest/1076/problem/D |
| 914E |
Palindromes in a Tree |
树上点分治 |
https://codeforces.ml/contest/914/problem/E |
| 1284D |
New Year and Conference |
线段树、线段交 |
https://codeforces.ml/contest/1284/problem/D |
| 1167E |
Range Deleting(G) |
尺取、并查集 |
https://codeforces.ml/contest/1167/problem/E |
| 1295D |
Same GCDs |
欧拉函数(G) |
https://codeforces.ml/contest/1295/problem/D |
| 1286B |
Numbers on a Tree |
思维、构造 |
https://codeforces.ml/contest/1286/problem/B |
| 1310A |
Recommendations(G) |
思维、mutiset |
https://codeforces.ml/contest/1310/problem/A |
| 1272E |
Nearest Opposite Parity |
最短路(H) |
https://codeforces.ml/contest/1272/problem/E |
| 1269C |
Long Beatuiful Interger |
思维(H) |
https://codeforces.ml/contest/1269/problem/C |
| 1299C |
Water Balance |
思维、数学 |
https://codeforces.ml/contest/1299/problem/C |
| 635E |
Bear and Forgotten Tree2 |
补图的联通性(G) |
https://codeforces.ml/contest/635/problem/E |
| 1213F |
Unstable String Sort |
强连通分量(G) |
https://codeforces.ml/contest/1213/problem/F |
| 780C |
Andryusha and Colored Balloons |
图的染色(H) |
https://codeforces.ml/contest/780/problem/C |
| 1225D |
Power Products |
思维、暴力 |
https://codeforces.ml/contest/1225/problem/D |
| 1225E |
Rock is Push！ |
动态dp |
https://codeforces.ml/contest/1225/problem/E |
| 1263D |
Secret Passwords |
并查集(G) |
https://codeforces.ml/contest/1263/problem/D |
| 1343E |
Weights Distributing |
最短路(H) |
https://codeforces.ml/contest/1243/problem/E |
| 1213G |
Path Query |
并查集(G) |
https://codeforces.ml/contest/1213/problem/G |
| 1373E |
Sum of Digits |
贪心、构造(G) |
https://codeforces.ml/contest/1373/problem/E |
| 1373F |
Network Coverage |
二分、思维(G) |
https://codeforces.ml/contest/1373/problem/F |
| 337D |
Book of Evil |
树形dp |
https://codeforces.ml/contest/337/problem/D |
| 571B |
Minimization |
思维、dp |
https://codeforces.ml/contest/571/problem/B |
| 149E |
Martian Strings |
kmp、AC自动机 |
https://codeforces.com/contest/149/problem/E |