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Rand() was not declared in this scope. · Issue #11 · mtytel/cursynth · GitHub
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![C++中出现[Error] 'rand' was not declared in this scop报错_[error] 'rand' was not declared in this scope-CSDN博客](https://img-blog.csdnimg.cn/2e0ca51999e44dc7ad53e38dcc818916.png "C++中出现[Error] 'rand' was not declared in this scop报错_[error] 'rand' was not declared in this scope-CSDN博客")
C++中出现[Error] 'rand' was not declared in this scop报错_[error] 'rand' was not declared in this scope-CSDN博客
NOT DECLARED IN SCOPE - Programming Questions - Arduino Forum
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FAQ: Functions - Built-in Functions - C++ FAQ - Codecademy Forums
