Фото: Raghed Waked / Reuters
Replace Vim with EVi in uninstall.txt，详情可参考搜狗输入法
，详情可参考传奇私服新开网｜热血传奇SF发布站｜传奇私服网站
编者按：本文是少数派 2025 年度征文活动#TeamCarbon25标签下的入围文章。本文仅代表作者本人观点，少数派只略微调整排版。
The textbook solution is backtracking — undo your last decision and try a different tile. My solver tracks every possibility it removes during propagation (a "trail" of deltas), so it can rewind cheaply without copying the entire grid state. It'll try up to 500 backtracks before giving up.，更多细节参见超级权重