POJ 2154 Color（组合数学-波利亚计数,数论-欧拉函数,整数快速幂）

Color Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 7693   Accepted: 2522 Descriptionhtml Beads of N colors are connected together into a circular necklace of N beads (N<=1000000000). Y

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