Burst Balloons(leetcode戳气球,困难)从指数级时间复杂度到多项式级时间复杂度的超详细优化思路(回溯到分治到动态规划) 2019-12-02 14:58 −这道题目做了两个晚上,发现解题思路的优化过程非常有代表性。文章详细说明了如何从回溯解法改造为分治解法,以及如何由分治解法过渡到动态规划解法。解法的用时从 超时 到 ...
possibly a MOSFET, had partially failed and was overloading subsequent components. While I'm not an EE, that reasoning seemed to explain why half of the 48 capacitors were blowing themselves up like little aluminum balloons, and the rest weren't. ...
balloonscosmic radiationearthelectronsenergy rangegamma radiationionospherelevelsA burst of high-energy radiation coincident with a solar flare has been detected during a balloon flight at 10 gm/cm2 atmosphere depth and 30掳 geomagnetic latitude over Cuba. The flare occurred at 1305 UT on March 20,...