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Question 39 β€” KSN-P 2021 #10

FINAL TEST Β· 30 points Β· Answer key: 20801

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Question

for (int i=0; i*i<=N; i++)
    A[(i*i)%M]++;
for (int i=1; i<M; i++)
    for (int j=1; j<=N; j*=2)
        for (int k=0; k>-A[i]; k--)
            A[(j-k)%i]++;

Jika nilai awal semua A[i]=0 dengan N=1000000 dan M=5000, berapa nilai A[0]+A[1]+…+A[4999] setelah potongan program di atas dijalankan?

Answers (9 members)