13 lines
208 B
C++
13 lines
208 B
C++
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#include <iostream>
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using namespace std;
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int x = 200;
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int main()
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{
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int x = 100;
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cout << "x = " << x << endl;
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// ::x 表示全局的 x
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cout << "全局的 x = " << ::x << endl;
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return 0;
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}
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