13 lines
322 B
C++
13 lines
322 B
C++
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#include <iostream>
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using namespace std;
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int main()
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{
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int n; // 定义变量时, 默认初始化值为 0
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// cout << "n = " << n << endl;
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// '\t' 转义字符, 表示为 <Tab> 制表符, 一般情况下, 一个制表符占 4 个空格
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cout << n << "\t data type is " << sizeof(n) << endl;
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return 0;
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}
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