It all returns to nothing.

Colorful Bricks-codeforce 1081C

Colorful Bricks-codeforce 1081CColorful Bricks 给定n个点,排列成一排,m种颜色和k,k代表有k个点与其左边相邻的点的颜...

Colorful Bricks-codeforce 1081C

Count the Arrays-codeforce 1312D

Count the Arrays-codeforce 1312 DCount the Arrays

Count the Arrays-codeforce 1312D