1124. Raffle for Weibo Followers (20) PAT 甲级

传送门

#include<iostream> #include<map> #include<string> #include<vector> using namespace std; map<string,int> count; vector<string> v; int m,n,s; int main(){ string name; cin>>m>>n>>s; v.push_back(""); for(int i=0;i<m;i++){ cin>>name; v.push_back(name); } if(s>m){ cout<<"Keep going..."<<endl; } else{ for(int i=s;i<=m;i=i+n){ while(count[v[i]]>=1){ i++; } count[v[i]]++; cout<<v[i]<<endl; } } }