Afraid

摘要： #include<iostream>#include<stdio.h>using namespace std;int main(){ int i,j,s,n; char ch; cin>>n; while(n--) { scanf("%x%c%x",&i,&ch,&j); if(ch=='+') s=i+j; else s=i-j; if(s>=0) printf("%o\n",s); else pr... 阅读全文