31 lines
469 B
C++
31 lines
469 B
C++
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// 输入一个正整数，输出它的二进制表示
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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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char arr[32] = "";
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int len = 0;
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int n;
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cout << "请输入一个数：";
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cin >> n;
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// 逐位取出
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while (n)
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{
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if (n & 1)
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arr[len++] = '1';
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else
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arr[len++] = '0';
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n >>= 1;
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}
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// 逆序输出
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while (len)
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cout << arr[--len];
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cout << endl;
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return 0;
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}
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