moistx https://blog.hatena.ne.jp/moistx/ Logfiles https://logfiles.hatenablog.com/ SRM 解法 各々についてDFSして足し合わせる。メモ化すると良い。 typedef long long ll; class CorporationSalary { public: ll memo[55]; ll dfs(vector<string> &R, int idx) { if(memo[idx]) return memo[idx]; ll& ret = memo[idx]; int cnt = 0; for(int i=0; i<R[idx].size(); i++) { if(R[idx][i] == 'Y') { cnt ++; ret += dfs(R, i); } } if(!cnt… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Flogfiles.hatenablog.com%2Fentry%2F20140818%2F1408323208" title="SRM407 Div1Easy CorporationSalary - Logfiles" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2014-08-18 09:53:28 rich https://logfiles.hatenablog.com/entry/20140818/1408323208 1.0 100%