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#1992. Find All Groups of Farmland

https://leetcode.com/problems/find-all-groups-of-farmland/submissions/1236977483/?envType=daily-question&envId=2024-04-20 /** * @param {number[][]} land * @return {number[][]} */ var findFarmland = function(land) { let m = land.length; let n = land[0].length; let visited = new Array(m); for(let i = 0; i < m; i++) visited[i] = new Array(n).fill(false); let start = []; let end = []; function dfs(i,j){ if(i < 0 || i…

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Chinese hackers preparing to ‘physically wreak havoc’ on US critical infrastructure: FBI director

Chinese hackers preparing to ‘physically wreak havoc’ on US critical infrastructure: FBI director

Chinese hackers are developing the “ability to physically wreak havoc on our critical infrastructure at a time of its choosing,” FBI director Christopher Wray said this week. He added that the hackers are waiting “for just the right moment to deal a devastating blow.” The hacking campaign, known as Volt Typhoon, has embedded itself successfully…

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