USACO 2021 January Contest, Silver Problem 2. No Time to Paint Bessie has recently received a painting set, and she wants to paint the long fence at one end of her pasture. The fence consists of NN...
USACO 2021 January Contest, Silver Problem 1. Dance Mooves Farmer John’s cows are showing off their new dance mooves! At first, all NN cows (2≤N≤1052≤N≤105) stand in a line with cow ii in the iith ...
Final Results: USACO 2021 January Contest, Gold Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceeded mem...
USACO 2021 January Contest, Gold Problem 3. Dance Mooves Farmer John’s cows are showing off their new dance mooves! At first, all NN cows (2≤N≤1052≤N≤105) stand in a line with cow ii in the iith po...
USACO 2021 January Contest, Gold Problem 2. Telephone Farmer John's NN cows, conveniently numbered 1…N1…N, are standing in a line (1≤N≤5⋅1041≤N≤5⋅104). The iith cow has a breed identifier bibi in t...
USACO 2021 January Contest, Gold Problem 1. Uddered but not Herd A little known fact about cows is that they have their own version of the alphabet, the "cowphabet". It consists of the 26 letters '...
Final Results: USACO 2021 January Contest, Platinum Key: * = Correct x = Wrong Answer (including possibly empty or missing output file) t = Timeout c = Didn't Compile ! = Run-time error or exceeded...
USACO 2021 January Contest, Platinum Problem 3. Paint by Letters Bessie has recently received a painting set. The canvas can be represented as an N×MN×M rectangle of cells where the rows are labele...
USACO 2021 January Contest, Platinum Problem 2. Minimum Cost Paths Farmer John's pasture can be regarded as an N×MN×M (2≤N≤1092≤N≤109, 2≤M≤2⋅1052≤M≤2⋅105) 2D grid of square "cells" (picture a huge ...
