475. Heaters
2022/1/1 6:07:40
本文主要是介绍475. Heaters,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
/** 475. Heaters https://leetcode.com/problems/heaters/ Winter is coming! During the contest, your first job is to design a standard heater with a fixed warm radius to warm all the houses. Every house can be warmed, as long as the house is within the heater's warm radius range. Given the positions of houses and heaters on a horizontal line, return the minimum radius standard of heaters so that those heaters could cover all houses. Notice that all the heaters follow your radius standard, and the warm radius will the same. Example 1: Input: houses = [1,2,3], heaters = [2] Output: 1 Explanation: The only heater was placed in the position 2, and if we use the radius 1 standard, then all the houses can be warmed. Example 2: Input: houses = [1,2,3,4], heaters = [1,4] Output: 1 Explanation: The two heater was placed in the position 1 and 4. We need to use radius 1 standard, then all the houses can be warmed. Example 3: Input: houses = [1,5], heaters = [2] Output: 3 Constraints: 1. 1 <= houses.length, heaters.length <= 3 * 10^4 2. 1 <= houses[i], heaters[i] <= 109 */ pub struct Solution{} impl Solution { /* Solution 1: Bruce force, Time:O(m*n), Space:O(1); */ pub fn find_radius(houses: Vec<i32>, heaters: Vec<i32>) -> i32 { let mut result = 0; for house in houses { result = std::cmp::max(result,Self::checkMinDist(house,&heaters)) } result } fn checkMinDist(house: i32, heaters:&Vec<i32>)->i32{ let mut minDistance = std::i32::MAX; for heater in heaters { minDistance = std::cmp::min(minDistance, (heater-house).abs()) } minDistance } }
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