1237. Find Positive Integer Solution for a Given Equation

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  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 class Solution { public: vector> findSolution(CustomFunction& customfunction, int z) { vector> ans; int x = 1; int y = 1000; while (x <= 1000 && y >= 1) { int f = customfunction.f(x, y); if (f < z) ++x; else if (f > z) --y; else ans.push_back({x++, y--}); } return ans; } }; 
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 class Solution { public List> findSolution(CustomFunction customfunction, int z) { List> ans = new LinkedList<>(); int x = 1; int y = 1000; while (x <= 1000 && y >= 1) { int f = customfunction.f(x, y); if (f < z) ++x; else if (f > z) --y; else ans.add(Arrays.asList(x++, y--)); } return ans; } } 
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 class Solution: def findSolution(self, customfunction: 'CustomFunction', z: int) -> List[List[int]]: ans = [] x = 1 y = 1000 while x <= 1000 and y >= 1: f = customfunction.f(x, y) if f < z: x += 1 elif f > z: y -= 1 else: ans.append([x, y]) x += 1 y -= 1 return ans