It gives you an idea of whether a keyword would be
描述：prices[i] 为第 i 件商品价格。第 i 件商品可获得折扣 prices[j]，其中 j 是满足 j i 且 prices[j] <= prices[i] 的最小下标；若无则无折扣。返回每件商品折扣后的最终价格。
，更多细节参见爱思助手下载最新版本
I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas:，推荐阅读雷电模拟器官方版本下载获取更多信息
Colored diff view showing how files changed over time (unified, full-context, and raw modes)
Владимир Джабаровпервый зампредседателя комитета Совфеда по международным делам