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phi function Code Example
phi function 
int phi(int n) {
    int result = n;
    for (int i = 2; i * i <= n; i++) {
        if (n % i == 0) {
            while (n % i == 0)
                n /= i;
            result -= result / i;
        }
    }
    if (n > 1)
        result -= result / n;
    return result;
}
Source: cp-algorithms.com



Cpp

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
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