BZOJ 3157 &数学乱搞...
挖一发坑...一碰到数学题头晕眼花...看着证明感觉我幼儿园还没毕业...
http://www.cnblogs.com/zhuohan123/p/3726933.html
等我会完完整整地写一发latex的时候一定要补一发pdf的题解.
Sometimes it s the very people who no one imagines anything of. who do the things that no one can imagine.