lzw4896s:
博客地址：https://www.cnblogs.com/vb4896/
lzw4896s:
博客地址：https://www.cnblogs.com/vb4896/
String painter (hdu 2476 DP好题)
Large repunit factors (PE 132)
利用Cayley-Hamilton theorem 优化矩阵线性递推
Codeforces Round #371 (Div. 1)
XV Open Cup named after E.V. Pankratiev Stage 6, Grand Prix of Japan Problem J. Hyperrectangle