Leetcode—2300.咒语和药水的成功对数【中等】

对数【中等】"/>

Leetcode—2300.咒语和药水的成功对数【中等】

2023每日刷题（二十五）

Leetcode—2300.咒语和药水的成功对数

排序+二分实现代码

class Solution {
public:int lower_bound(vector<int> &potions, long long target) {int n = potions.size();int left = 0, right = n;int mid = left + (right - left) / 2;while(left < right) {mid = left + (right - left) / 2;if(potions[mid] < target) {left = mid + 1;} else {right = mid;}}return left;}vector<int> successfulPairs(vector<int>& spells, vector<int>& potions, long long success) {sort(potions.begin(), potions.end());int n = spells.size();int len = potions.size();for(int i = 0; i < n; i++) {long long tar = 1 + (success - 1) / spells[i];int cnt = lower_bound(potions, tar);int res = len - cnt;spells[i] = res;}return spells;}
};

运行结果

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