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1401. Circle and Rectangle Overlapping

Topics: Staff, Math, Geometry, Biweekly Contest 23 You are given a circle represented as (radius, xCenter, yCenter) and an axis-aligned rectangle represented as (x1, y1, x2, y2), where (x1, y1) are the coordinates of the bottom-left corner, and (x2, y2) are the coordinates of the top-right corner of the…

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262 words

1039. Minimum Score Triangulation of Polygon

Topics: Array, Dynamic Programming, Weekly Contest 135 You have a convex n-sided polygon where each vertex has an integer value. You are given an integer array values where values[i] is the value of the ith vertex in clockwise order. Polygon…

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153 words

976. Largest Perimeter Triangle

Topics: Array, Math, Greedy, Sorting, Weekly Contest 119 Given an integer array nums, return the largest perimeter of a triangle with a non-zero area, formed from three of these lengths. If it is impossible to form any triangle of a non-zero…

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175 words

812. Largest Triangle Area

Topics: Array, Math, Geometry, Weekly Contest 79 Given an array of points on the X-Y plane points where points[i] = [xi, yi], return the area of the largest triangle that can be formed by any three different points. Answers within 10-5 of…

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197 words

A Difficult Geometry Puzzle

A regular hexagon PQRSTU is inscribed in a circle of radius 5. A point X on the circumference of the circle is connected to the vertices of the hexagon to form six chords X P, XQ, X R, X S, XT…