Because D is continued on the teacher ordered forced back out OI, in fact, I think it is the kinetic energy theorem learn in the classroom more promising
OI is now forgotten almost all related, as far as possible the more basic algorithms pick it up, doing more than playing the game title bar
First column out of a rehabilitation program
Graph Theory:
1. Network Flow
2. Point Divide and Conquer
3. point cut, round side tree
4. The minimum spanning tree, the tree reconstruction
String:
1.AC automata
2.SA
3.SAM
data structure:
1. segment tree, Chairman of the tree, the tree line segment merger
2. Partition Tree chain
3.LCT
4. A balanced tree
The scan line
6. virtual tree
mathematics:
1.FFT/NTT
2. Mobius inversion
3. Du teach sieve
4. The matrix Tree Theorem
The Gaussian elimination
The main topic to topic NOI over the years AGC, CF Div1 main bar and nowcoder Challenge