36 lines
805 B
C++
36 lines
805 B
C++
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#include <iostream>
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using namespace std;
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void printSubnetMask(int prefixLength) {
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int mask[4] = {0, 0, 0, 0};
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for (int i = 0; i < prefixLength; ++i) {
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mask[i / 8] |= (1 << (7 - (i % 8)));
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}
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cout << "Subnet Mask for /" << prefixLength << ": ";
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cout << mask[0] << "." << mask[1] << "." << mask[2] << "." << mask[3] << std::endl;
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}
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int main() {
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int prefixLength;
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cout << "Enter the prefix length: ";
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cin >> prefixLength;
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if (prefixLength >= 0 && prefixLength <= 32) {
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printSubnetMask(prefixLength);
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}
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else {
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cout << "Invalid prefix length!" << std::endl;
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}
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return 0;
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}
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/*
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OUTPUT:
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Enter the prefix length: 22
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Subnet Mask for /22: 255.255.252.0
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Enter the prefix length: 0
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Subnet Mask for /0: 0.0.0.0
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Enter the prefix length: 32
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Subnet Mask for /32: 255.255.255.255
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*/
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