首次尝试在不使用Visual Studio的情况下编译一些代码。安装mingw并设置环境路径变量。然后试图编译这段代码:mingw编译器错误
#include <iostream>
#include <vector>
int main() {
typedef std::vector<int> Container;
typedef std::vector<int>size_type size;
typedef std::vector<int>iterator iter;
Container container;
for (size i = 0; i != 1000000; ++i) {
container.push_back(i);
}
for (iter i = container.begin(); i != container.end(); ++i) {
std::cout << *i << " " << std::endl;
}
system("PAUSE");
return 0;
}
通过打开一个CMD壳,将单个源文件和打字的目录:
g++ main.cpp
,但我得到了很多的错误消息如下:
main.cpp: In function 'int main()':
main.cpp:6:35: error: expected initializer before 'size'
main.cpp:7:34: error: expected initializer before 'iter'
main.cpp:11:6: error: 'size' was not declared in this scope
main.cpp:11:11: error: expected ';' before 'i'
main.cpp:11:18: error: 'i' was not declared in this scope
main.cpp:15:6: error: 'iter' was not declared in this scope
main.cpp:15:11: error: expected ';' before 'i'
main.cpp:15:34: error: 'i' was not declared in this scope
main.cpp:19:15: error: 'system' was not declared in this scope
我在这里错过了很痛苦的东西吗?谢谢。
啊,谢谢。但是我仍然得到:main.cpp:在函数'int main()'中: main.cpp:19:15:错误:'系统'未在此范围内声明 –
“system()”是一个posix函数,并且你正在开发窗口。你必须找到另一种方法来暂停程序,比如等待任何使用'std :: cin'键的键。 – Griwes
谢谢......现在编译:)写在记事本C++中,而通常我猜Visual Studio会指出::的问题。 –