{"author_name":"a_kawashiro","provider_name":"Hatena Blog","height":"190","description":"#include <stdio.h> #include <set> using namespace std; struct Data{ int a,b; }; Data makeD(int aa,int bb){ Data d; d.a=aa,d.b=bb; return d; } bool operator < (const Data &d,const Data &e){ return d.a<e.a; } int main(){ set<Data> se; se.insert(makeD(0,1)); se.insert(makeD(0,2)); printf(\"se.size()==%d\u2026","blog_url":"https://a-kawashiro.hatenablog.com/","title":"std::set\u3067\u30c7\u30fc\u30bf\u540c\u58eb\u306e\u9593\u306b\u9806\u4f4d\u4ed8\u3051\u304c\u3067\u304d\u306a\u3044\u3068\u7121\u8996\u3055\u308c\u3066\u3057\u307e\u3046\u4ef6","categories":[],"width":"100%","url":"https://a-kawashiro.hatenablog.com/entry/20120225/1330185258","blog_title":"a_kawashiro\u306e\u30d6\u30ed\u30b0","version":"1.0","provider_url":"https://hatena.blog","published":"2012-02-25 00:54:18","image_url":null,"type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fa-kawashiro.hatenablog.com%2Fentry%2F20120225%2F1330185258\" title=\"std::set\u3067\u30c7\u30fc\u30bf\u540c\u58eb\u306e\u9593\u306b\u9806\u4f4d\u4ed8\u3051\u304c\u3067\u304d\u306a\u3044\u3068\u7121\u8996\u3055\u308c\u3066\u3057\u307e\u3046\u4ef6 - a_kawashiro\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/a_kawashiro/"}