Problem

(All closest pairs) Listing, FindNearestPoints.cpp, finds one closest pair. Revise the pro...

(All closest pairs) Listing, FindNearestPoints.cpp, finds one closest pair. Revise the program to display all closest pairs with the same minimum distance. Here is a sample run:

Listing FindNearestPoints.cpp

1 #include 2 #include 3 using namespace std;45 // Compute the distance between two points (x1, y1) and (x2, y2)6 double getDistance(double x1, double y1, double x2, double y2)7 {8 return sqrt((x2 − x1) * (x2 − x1) + (y2 − y1) * (y2 − y1));9 }1011 int main()12 {13 const int NUMBER_OF_POINTS = 8 ;1415 // Each row in points represents a point16 double points[NUMBER_OF_POINTS][ ];1718 cout << "Enter " ; << NUMBER_OF_POINTS << " points: " ;19 for (int i = 0 ; i> points[i][0 ] >> points[i][1 ];2122 // p1 and p2 are the indices in the points array23 int p1 = 0 , p2 = 1 ; // Initial two points24 double shortestDistance = getDistance(points[p1][0 ], points[p1][1 ],25 points[p2][0 ], points[p2][1 ]); // Initialize shortestDistance26 27 // Compute distance for every two points28 for (int i = 0 ; ifor (int j = i + 1 ; jdouble distance = getDistance(points[i][0 ], points[i][1 ],33 points[j][0 ], points[j][1 ]); // Find distance3435 if (shortestDistance > distance)36 {37 p1 = i; // Update p138 p2 = j; // Update p239 shortestDistance = distance; // Update shortestDistance40 }41 }42 }4344 // Display result45 cout << "The closest two points are " <<46 "(" << points[p1][0 ] << ", " << points[p1][1] << ") and (" <<47 points[p2][0 ] << ", " << points[p2][1] << ")" << endl;4849 return 0 ;50 }

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