大数加法减法乘法除法模板(C++,Python)

---

title: 大数加法减法乘法除法模板(C++,Python)

categories:

• OJ
• 算法
• Python
• C++

tags:

• Programing
• OJ
• 算法
• Python
• C++

---

大数加法减法乘法除法模板(C++,Python)

C++

加法

#include<iostream>
#include<string.h>
#include<algorithm>

using namespace std;

string BigNumberAdd(){
    string s1,s2,result(10000,'0');
    cin>>s1>>s2;
    reverse(s1.begin(),s1.end());
    reverse(s2.begin(),s2.end());
    for(int i=0;i<s1.length();i++){
        result[i] = s1[i];
    }
    int temp = 0;
    for(int i=0;i<s2.length();i++){
        temp += (result[i]-'0' + s2[i] -'0');
        result[i] = temp%10 + '0';
        temp /= 10;
    }
    result[s2.length()]