[HackerEarth] One day Roger found a thread with n beads of different colors. He decided to cut the first several beads from this thread to make a bead necklace and present it to his girlfriend Stella. - 题解

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题目信息
题号 P14115
标题 [HackerEarth] One day Roger found a thread with n beads of different colors. He decided to cut the first several beads from this thread to make a bead necklace and present it to his girlfriend Stella.
难度 普及
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