摘要:
#include<iostream> using namespace std; int ans; void f(int dian,int hua,int jiu) { if(dian == 0 && hua == 0 && jiu == 1) ans++; if(dian > 0) f(dian - 阅读全文
摘要:
#include<iostream> #include<bits/stdc++.h> using namespace std; int n = 50; string add(string a,string b) { a = a.substr(a.find_first_not_of('0')); b 阅读全文