1789: 查找舆情热词
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:1
Solved:1
Description
Input
从第二行起,是按顺序处理后每篇文章的标题串和正文串,即第二行是第一篇文章的标题串,第三行是第一篇文章的正文串,第四行是第二篇文章的标题串,第五行是第二篇文章的正文串,以此类推。
参数限制如下: 0 < topN < 1000 0 < M < 100000
Output
使用一行输出出现频率最高的topN个词语,每个词语以“ ”隔开。
Sample Input Copy
3 2
xinguan feiyan xinzeng bendi quezhen anli
ju baodao chengdu xinzeng xinguan feiyan bendi quezhen anli yili shenzhen xinzeng bendi quezhen anli liangli yiqing zhhengti kongzhi lianghao
xinguan yimiao linchuang shiyan
wuzhong xinguan yimiao tongguo sanqi linchuang shiyan xiaoguo lianghao
Sample Output Copy
xinguan xinzeng bendi