摘要： #include <iostream>#include <stack>#include <string>using namespace std;//merge a b两个排序过的数组，a的size是m，b的size是n，a具有足够大的空间存放merge后的元素们//思想是从后往前merge，因为后面都是没有存放数的空间，所以可以避免数组的平移void Merge(int a[], int b[], int m, int n){ int mWalker = m-1; int nWalker = n-1; for (int i = m+n-1 ; i > 阅读全文

摘要： Imagine a (literal) stack of plates If the stack gets too high, it might topple There-fore, in real life, we would likely start a new stack when the previous stack exceeds some threshold Implement a data structure SetOfStacks that mimics this SetOf-Stacks should be composed of several stacks, and sh 阅读全文

摘要： 本方法借鉴自glibc，可以过滤如下情况：前缀空格非法输入正负号16进制8进制溢出1234L#include <iostream>using namespace std;#define LONG_MAX 2147483647L#define LONG_MIN -2147483648Llong StrToInt(const string &str){ unsigned long result = 0;//如果不用unsigned long，那么后面无法判断溢出（当发生溢出时，总是负数） int radix = 0; int sign = 1; string::const_.. 阅读全文