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 ...
USACO 2021 January Contest, Platinum Problem 1. Sum of Distances Bessie has a collection of connected, undirected graphs G1,G2,…,GKG1,G2,…,GK (2≤K≤5⋅1042≤K≤5⋅104). For each 1≤i≤K1≤i≤K, GiGi has exa...
