第一题 题目传送门 随便写了写代码如下 include<bits/stdc.h> usingnamespacestd; stringsa; longlonga,b,c=1; intmain(){ freopen("pow.in","r",stdin); freopen("pow.out","w",stdout); cin>>sa>>b; intlen=sa.length(); if(len>9){ cout<<-1; return0; } for(inti=1;i<=len;i){ a=a+sa[i-1]-'0'; if(i!=len...