grand-prix-of-eurasia.md

XX Open Cup. Stage 4. Grand Prix of Eurasia

• A. Ants
• B. Blend
• C. Backups
• D. bit gisect
• E. Slots
• F. Tea Sort
• G. Shooting
• H. Calibration of Axelerometers
• I. Trees
• J. Team Order
• K. Ostap's Dream

A. Ants

题意：在$n \times m$的网格里有$k$张椅子。在$(r,c)$处有个蚂蚁山，第$i$秒会跑出一只蚂蚁，沿着最短路往第$i$张椅子出发。求出每个时刻，有多少蚂蚁到达了椅子处。

$1 \le n, m \le 100, 1 \le k \le nm, 1 \le r \le n, 1 \le c \le m$

B. Blend

C. Backups

D. bit gisect

E. Slots

F. Tea Sort

G. Shooting

H. Calibration of Axelerometers

I. Trees

J. Team Order

K. Ostap's Dream