23 lines
723 B
C++
23 lines
723 B
C++
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// 源码反码补码
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#include <iostream>
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#include <bitset>
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using namespace std;
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int main()
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{
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int z = -9;
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cout << bitset<8>(z) << endl;
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cout << bitset<8>(z >> 1) << endl; // 右移一位，符号位不变，左边补1
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cout << bitset<8>(z << 1) << endl; // 左移一位，符号位不变，右边补0
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cout << dec << z << endl; // 十进制
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cout << oct << z << endl; // 八进制
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cout << hex << z << endl; // 十六进制
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signed int x = 20;
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cout << bitset<8>(x) << endl;
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cout << bitset<8>(x >> 1) << endl; // 右移一位，符号位不变，左边补0
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cout << bitset<8>(x << 1) << endl; // 左移一位，符号位不变，右边补0
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return 0;
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}
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