点击格子设置当前灯的状态，求出把所有灯点亮的最少点击解法。点一个灯会翻转它自己和上下左右相邻的灯。
黄色表示亮灯，深色表示灭灯。红圈是解法中要点击的格子。
每行一排，行数和列数必须相同。亮：1 # X * ●，灭：0 . - ○。尺寸会自动识别。
设置好棋盘后点击“求解翻转灯谜”。
点击格子设置当前灯的状态，求出把所有灯点亮的最少点击解法。点一个灯会翻转它自己和上下左右相邻的灯。
求解器免费使用，无需注册。谜题计算在浏览器中完成，录入的题目保存在当前浏览器；清除网站数据会删除这些记录。
先对照原题检查提示、尺寸和区域。显示“无解”表示录入的约束无法同时满足；取消或超时并不代表题目无解。可以先加载示例，确认录入与求解流程。
Click cells to set the current lights, then get the fewest clicks that turn every light on. Pressing a light flips it and its up/down/left/right neighbours.
This solver is free and requires no account. Puzzle calculations run in your browser. Saved clues remain in this browser; clearing site data removes them.
Check the clues and board size against the original puzzle. No solution means the entered constraints cannot all be satisfied. A cancelled or timed-out search does not prove that the puzzle has no solution. Use a built-in example to check the input workflow.