LeetCode //C - 1266. Minimum Time Visiting All Points-北京尧图网络

1266. Minimum Time Visiting All PointsOn a 2D plane, there are n points with integer coordinatesp o i n t s [ i ] [ x i , y i ] points[i] [x_i, y_i]points[i][xi,yi]. Returnthe minimum time in seconds to visit all the points in the order given by points.You can move according to these rules:In 1 second, you can either:move vertically by one unit,move horizontally by one unit, ormove diagonally sqrt(2) units (in other words, move one unit vertically then one unit horizontally in 1 second).You have to visit the points in the same order as they appear in the array.You are allowed to pass through points that appear later in the order, but these do not count as visits.Example 1:Input:points [[1,1],[3,4],[-1,0]]Output:7Explanation:One optimal path is [1,1] - [2,2] - [3,3] - [3,4] - [2,3] - [1,2] - [0,1] - [-1,0]Time from [1,1] to [3,4] 3 secondsTime from [3,4] to [-1,0] 4 secondsTotal time 7 secondsExample 2:Input:points [[3,2],[-2,2]]Output:5Constraints:points.length n1 n 100points[i].length 2-1000 points[i][0], points[i][1] 1000From: LeetCodeLink: 1266. Minimum Time Visiting All PointsSolution:Ideas:between two points, use diagonal moves as much as possible, so time is max(abs(dx), abs(dy)).Code:intminTimeToVisitAllPoints(int**points,intpointsSize,int*pointsColSize){inttime0;for(inti1;ipointsSize;i){intdxpoints[i][0]-points[i-1][0];intdypoints[i][1]-points[i-1][1];if(dx0)dx-dx;if(dy0)dy-dy;timedxdy?dx:dy;}returntime;}

LeetCode //C - 1266. Minimum Time Visiting All Points

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