Solving the K-N-R problem not only reflects technical ability but also reinforces resilience and determination in overcoming challenges. Just like in a career transition, problem-solving requires patience, strategy, and the precise application of skills. Every step, whether in solving a problem or building a career, contributes to a more solid and rewarding journey when well-guided.

include

include

include

include

define MOD 1000000007

// Function to calculate modular exponentiation long long mod_exp(long long base, long long exp, long long mod) { long long result = 1; while (exp > 0) { if (exp % 2 == 1) { result = (result * base) % mod; } base = (base * base) % mod; exp /= 2; } return result; }

int main() { int T; scanf("%d", &T);

while (T--) {
    long long K, n, R;
    scanf("%lld %lld %lld", &K, &n, &R);

    long long Sn = 0;

    for (long long i = 1; i <= n; i++) {
        long long term = mod_exp(i, K, MOD) * mod_exp(R, i, MOD) % MOD;
        Sn = (Sn + term) % MOD;
    }

    printf("%lld\n", Sn);
}

return 0;

}

Reflecting on the K-N-R series, it's clear the journey has been both insightful and transformative. As we sum up the lessons learned and accomplishments achieved, consider approaching career transitions with the same precision. For individuals in Austin seeking tailored support, the expertise of Austin resume writers ensures a professional edge in presenting your unique value. Let your career narrative unfold seamlessly with the right guidance.

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