rokugats https://blog.hatena.ne.jp/rokugats/ ICPC log https://rokugats-pc.hateblo.jp/ POJ 文字操作 やるだけ。 #include <cstdio> int mcxi(char c){ switch(c){ case 'm': return 1000; case 'c': return 100; case 'x': return 10; case 'i': return 1; } return -1; } int decode(char* input){ if(input[0] == '\0') return 0; if('1' <= input[0] && input[0] <= '9') return (input[0] - '0') * mcxi(input[1]) + decode(i… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Frokugats-pc.hateblo.jp%2Fentry%2F2014%2F06%2F19%2F003236" title="POJ PKU 2685 Numeral System - ICPC log" 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 2014-06-19 00:32:36 rich https://rokugats-pc.hateblo.jp/entry/2014/06/19/003236 1.0 100%