数据结构与算法-histogram算法求解矩阵中最大矩形面积
这道题使用逐行的histogram算法即可求解。#include <iostream> #include <bits/stdc++.h> using namespace std; int histogram(vector<int> &L){ vector<int> tmp(L.size ...
C++algorithm中可提高编程效率的几个算法函数
binary_search：二分查找lower_bound：通过二分查找，返回容器中第一个大于或等于n的位置upper_bound：通过二分查找，返回容器中第一个大于n的位置copy：容器拷贝count：通过等于运算符计算容器中特定元素出现次数。（对于struct等，可以重载等于 ...
PAT-A 真题 – 1078 Hashing
The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is defined to be H(key)=key%TSize where TSize& ...
PAT-A 真题 – 1055 The World's Richest
Forbes magazine publishes every year its list of billionaires based on the annual ranking of the world's wealthiest people. Now you are supposed to simulate this job, but concentrate only on the people in a certain range of a ...
PAT-A 真题 – 1054 The Dominant Color
Behind the scenes in the computer's memory, color is always talked about as a series of 24 bits of information for each pixel. In an image, the color with the largest proportional area is called the dominant color. A str ...