确实水 证明启航舱教育水
#include<bits/stdc++.h> using namespace std; string s; bool a; int main(){ for(int i=1;i<=15;i++){ cin>>s; if(s=="1-0"){ a=1; } else{ a=0; break; } } if(a){ cout<<"A"; } else{ cout<<"E"; } return 0; }
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