Jin_Yanhui

There is a river of width nn . The left bank of the river is cell 00 and the right bank is cell n+1n+1 (more formally, the river can be represented as a sequence of n+2n+2 cells numbered from 00 to n+...

Watering Grass Input: standard input Output: standard output Time Limit: 3 seconds n sprinklers are installed in a horizontal strip of grass l meters long andw meters wide. Each sprinkler is insta...