28 lines
606 B
C++
28 lines
606 B
C++
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// 将一个数的二进制表示中从第 n 位（从右往左数）开始的 m 位设为 0。
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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 x;
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cout << "请输入一个整数: ";
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cin >> x;
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cout << "原来的二进制表示为: " << bitset<32>(x) << endl;
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int n, m;
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cout << "请输入第 n 位(从右往左数): ";
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cin >> n;
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cout << "请输入要设为 0 的位数: ";
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cin >> m;
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while (m--)
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{
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x &= ~(1 << n);
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n++;
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}
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cout << "设为 0 后的二进制表示为: " << bitset<32>(x) << endl;
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return 0;
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}
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