A - BBP Formula HDU - 6217 (数学问题+公式推导+快速幂)
F - Heron and His Triangle HDU - 6222 (数学问题+海伦公式+大数)
I - Little Boxes HDU - 6225 (大数)
K - Rabbits HDU - 6227 (思维题)
A - BBP Formula HDU - 6217 (数学问题+公式推导+快速幂)
F - Heron and His Triangle HDU - 6222 (数学问题+海伦公式+大数)
I - Little Boxes HDU - 6225 (大数)
K - Rabbits HDU - 6227 (思维题)