L1-3 程序员买包子 #include<bits/stdc++.h>usingnamespacestd;intmain(){stringx;intn,m,k;cin>>n>>x>>m>>k;if(k==n)cout<<"mei you mai "<<x<<" de"<<endl;elseif(k==m)cout<<"kan dao le mai "<<x<<" de"<<endl;elsecout<<"wang le zhao mai "<<x<<" de"<<endl;retur...