{"author_name":"Ozy","categories":["PKU2301"],"height":"190","published":"2006-09-16 00:00:03","version":"1.0","blog_title":"\u30ab\u30e1\u30f2\u30e9\u30dc","title":"\u6700\u77ed\uff08\u7565","type":"rich","image_url":null,"blog_url":"https://ozy4dm.hateblo.jp/","provider_name":"Hatena Blog","width":"100%","author_url":"https://blog.hatena.ne.jp/Ozy/","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fozy4dm.hateblo.jp%2Fentry%2F20060916%2Fp4\" title=\"\u6700\u77ed\uff08\u7565 - \u30ab\u30e1\u30f2\u30e9\u30dc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"http://acm.pku.edu.cn/JudgeOnline/problem?id=2301 \u3044\u305a\u308c\uff08\u7565 main(s,d,k){ for(gets();~scanf(k=\"%d %d\\n\",&s,&d); printf(s<0|s%2?\"impossible\\n\":k,s+d,s/=2))s-=d; }","url":"https://ozy4dm.hateblo.jp/entry/20060916/p4"}