#include <iostream> #include <algorithm> #include <cmath> #include <cstring> using namespace std; string Add(string s1,string s2)//高精度加法模板 { int l1 = s1.size(),l2 = s2.size(); if(l1<l2)swap(s1,s2); reverse(s1.begin(),s1.end()); reverse(s2.begin(),s2.end()); int car=0; stri...