前缀和与差分序列归档 - Yirannn's Blog

BZOJ 3866: The Romantic Hero – [DP]

继续阅读BZOJ 3866: The Romantic Hero – [DP]

BZOJ 1452: [JSOI2009]Count – [树状数组/暴力]

继续阅读BZOJ 1452: [JSOI2009]Count – [树状数组/暴力]