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",[922,987,988],{},"rg::unique"," 等。它们一般需要配合容器的 ",[922,991,992],{},"erase"," 方法使用。",[965,995,996],{},"高级算法：排序、排列等。",[965,998,999],{},"在已排序范围上的算法：主要包括二分搜索和集合运算。严格上它们属于修改元素的算法，但它们自成体系，故单独列出。",[965,1001,1002],{},"惰性算法：即视图和对应的范围适配器。",[1004,1005,1006],"blockquote",{},[918,1007,1008,1015],{},[1009,1010,1014],"a",{"href":1011,"rel":1012},"https:\u002F\u002Fzh.cppreference.com\u002Fw\u002Fcpp\u002Falgorithm\u002Franges",[1013],"nofollow","CppReference"," 里列出了所有的 STL 算法。上面的分类完全是个人意见；如果你有更好的看法请告诉我。",[918,1017,1018],{},"接下来我再介绍一些常用的算法。",[1020,1021,1022],"h2",{"id":1022},"删除算法",[918,1024,1025,1026,1028],{},"之前介绍筛选算法时，提到了筛选出的元素应该如何存放的问题。当时给出了两个方案：一是 ",[922,1027,932],{},"，将元素选择性地复制到新的地方。这对应了刚刚分类里的“生成元素的算法”。二是使用范围适配器，即刚刚分类里的“惰性算法”。但还有第三种可能：直接原地修改原来容器里的元素——也就是“修改元素的算法”。",[1020,1030,1031],{"id":1031},"简单算法",[918,1033,1034],{},"简单算法指一句话就能带过的算法",[962,1036,1037,1047,1056,1074],{},[965,1038,1039,1042,1043,1046],{},[922,1040,1041],{},"rg::fill"," 将一个范围填充为单个元素。使用方法如 ",[922,1044,1045],{},"rg::fill(a, 0)","。",[965,1048,1049,1052,1053,1046],{},[922,1050,1051],{},"rg::reverse"," 将一个双向范围内的元素反转。使用方法如 ",[922,1054,1055],{},"rg::reverse(a)",[965,1057,1058,1061,1062,1065,1066,1069,1070,1046],{},[922,1059,1060],{},"rg::shuffle"," 将随机访问范围内的元素随机重排（洗牌）。使用方法如 ",[922,1063,1064],{},"rg::shuffle(a, g)","；其中 ",[922,1067,1068],{},"g"," 是",[1009,1071,1073],{"href":1072},"\u002Fch10\u002Frandom#%E7%8E%B0%E4%BB%A3%E4%BC%AA%E9%9A%8F%E6%9C%BA%E6%95%B0%E7%94%9F%E6%88%90%E5%BC%95%E6%93%8E","伪随机数生成引擎",[965,1075,1076,1079,1080,1084,1085,1088],{},[922,1077,1078],{},"rg::rotate"," 将前向范围内的元素 ",[1081,1082,1083],"em",{},"旋转","。所谓旋转是指，将每个元素都向左平移一定长度，然后让头部元素移到尾部。使用方法如 ",[922,1086,1087],{},"rg::rotate(a, a.begin() + 4)","；第二个参数是迭代器，指向旋转后的首个元素。",[1020,1090,1091],{"id":1091},"检查式的算法",[918,1093,1094,985,1097],{},[922,1095,1096],{},"rg::min",[922,1098,1099],{},"rg::max",[918,1101,1102,985,1105,985,1108],{},[922,1103,1104],{},"rg::any_of",[922,1106,1107],{},"rg::all_of",[922,1109,1110],{},"rg::none_of",[918,1112,1113,985,1116],{},[922,1114,1115],{},"rg::find",[922,1117,1118],{},"rg::find_if",[1020,1120,1122],{"id":1121},"其它","其它……",[918,1124,1125],{},"还有很多很多没有提到的 STL 算法，但它们在程序设计中用到的不多。如果感兴趣的话可以自行学习。",[1004,1127,1128],{},[918,1129,1130],{},"其实已排序范围上的算法在算法竞赛中用得比较多。",{"title":1132,"searchDepth":1133,"depth":1134,"links":1135},"",1,2,[1136,1137,1138,1139],{"id":1022,"depth":1134,"text":1022},{"id":1031,"depth":1134,"text":1031},{"id":1091,"depth":1134,"text":1091},{"id":1121,"depth":1134,"text":1122},"现在总结一下我们学习了哪些 STL 算法。","md",null,{},{"icon":827},{"title":845,"description":1140},"zUAo_aiN6WXh4Gd16jKrRjYEXffnmLUyL1oibzw9NLM",[1148,1150],{"title":841,"path":842,"stem":843,"description":1149,"icon":827,"children":-1},"现在说说 STL 中带有函数式特点的东西。",{"title":849,"path":850,"stem":851,"description":1151,"icon":827,"children":-1},"这一部分开头曾讲过，STL 算法大多作用在序列上。",1784618144367]