题目
题目:给定m转发微博信息，每隔n次抽奖，从s开始抽奖，输出抽奖名单
#include<iostream>#include<string>#include<map>using namespace std;int main() {int n,m,s,t=0,flag=0;cin>>n>>m>>s;map<string,int> h;t=m;if(n<s)cout<<"Keep going...\n";elsefor(int i=0; i<n; ++i) {string a;cin>>a;h[a]++;t--;if(i==s-1) {h[a]=-10000;cout<<a<<endl;t=m;flag=1;}if(flag&&t<=0)if(h[a]>=0) {cout<<a<<endl;h[a]=-10000;t=m;}}return 0;}
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