CF 1622C - Set or Decrease
題目鏈接: https://codeforces.com/problemset/problem/1622/C 題目大意: 給定一個序列 \(a_1\),\(a_2\),\(a_3\) ... \ ...
題目鏈接: https://codeforces.com/problemset/problem/1622/C 題目大意: 給定一個序列 \(a_1\),\(a_2\),\(a_3\) ... \ ...
二分查找 二分查找的原理很簡單:在一個有序數組中(本文討論的是升序,降序同理) 從數組中間的元素開始,如果A[mid]大於被查找元素key,那么就在A[0]到A[mid-1]中查找,反之在A[m ...
(This problem is an interactive problem.) A binary matrix means that all elements are 0 or 1. For e ...
Given an array arr of positive integers sorted in a strictly increasing order, and an integer k. Fi ...
二分法是算法題里面一個比較基礎但是很容易錯的概念,一開始練習的時候由於不熟悉二分法的套路,反復出現死循環或者目標值找錯,非常影響做題心情。我總結了如下幾個模板。原則上這里的模板無論你使用哪一個,都可以 ...
Given an m x n matrix mat where every row is sorted in strictly increasing order, return the smalles ...
This is an interactive problem. You have a sorted array of unique elements and an unknown size. You ...