将我的 Android Studio 更新到最新版本后即电鳗 | 2022年1月1日,我在创建新项目后收到“Gradle项目同步失败” 。
错误:
A problem occurred configuring root project 'BIAssignment'.
> Could not resolve all files for configuration ':classpath'.
> Could not resolve com.android.tools.build:gradle:7.4.0.
Required by:
project : > com.android.application:com.android.application.gradle.plugin:7.4.0
project : > com.android.library:com.android.library.gradle.plugin:7.4.0
> No matching variant of com.android.tools.build:gradle:7.4.0 was found. The consumer was configured to find a runtime of a library compatible with Java 8, packaged as a jar, and its dependencies declared externally, as well as attribute 'org.gradle.plugin.api-version' with value '7.5' …Run Code Online (Sandbox Code Playgroud) bool flag = ((idx == n) ? true : false);
if (C[idx]->n < t)
fill(idx);
if (flag && idx > n)
C[idx - 1]->deletion(k);
Run Code Online (Sandbox Code Playgroud)
上面的代码片段是BTree实现的一部分,我到处搜索但找不到第二个if语句是否会被执行?
只有当 时flag才会出现,对吗?而 if 语句只会执行 if和,这是不可能的。trueidx == nidx > nflag = true
我认为fill(idx)价值正在改变,但我不明白如何改变?有人解释一下
填充函数
void BTreeNode::fill(int idx) {
if (idx != 0 && C[idx - 1]->n >= t)
borrowFromPrev(idx);
else if (idx != n && C[idx + 1]->n >= t)
borrowFromNext(idx);
else {
if (idx != …Run Code Online (Sandbox Code Playgroud)