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Method insert

src/class164/Code07_Peaks1.java:166–180  ·  view source on GitHub ↗
(int jobi, int l, int r, int i)

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164
165 // 数值范围[l..r],加了一个数字jobi,生成新版本的可持久化线段树
166 public static int insert(int jobi, int l, int r, int i) {
167 int rt = ++cntt;
168 ls[rt] = ls[i];
169 rs[rt] = rs[i];
170 numcnt[rt] = numcnt[i] + 1;
171 if (l < r) {
172 int mid = (l + r) / 2;
173 if (jobi <= mid) {
174 ls[rt] = insert(jobi, l, mid, ls[rt]);
175 } else {
176 rs[rt] = insert(jobi, mid + 1, r, rs[rt]);
177 }
178 }
179 return rt;
180 }
181
182 // 可持久化线段树,前版本pre,后版本post,两个版本做差,得到数值范围[l..r]的词频
183 // 查询这个数值范围上,第jobk大的数字是什么

Callers 1

mainMethod · 0.95

Calls

no outgoing calls

Tested by

no test coverage detected