摘要:
P2605 [ZJOI2010] 基站选址 - 洛谷 Observation 1 dp[i][k]: the former ith countrysides have k stations ,ith has one station \[ dp[i][k]=\min dp[j][k-1]+cnt(j, 阅读全文
posted @ 2025-07-30 21:29
余亦宸
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