4397: [Usaco2015 dec]Breed Counting Time Limit: 10 Sec Memory Limit: 128 MB Description Farmer John's N cows, conveniently numbered 1…N, are all standing in a row (they seem to do so often that it now takes very little prompting from Farmer John to…
4390: [Usaco2015 dec]Max Flow Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 177 Solved: 113[Submit][Status][Discuss] Description Farmer John has installed a new system of N−1 pipes to transport milk between the N stalls in his barn (2≤N≤50,000), c…
Description Bessie the cow is a huge fan of card games, which is quite surprising, given her lack of opposable thumbs. Unfortunately, none of the other cows in the herd are good opponents. They are so bad, in fact, that they always play in a complete…
DP #include<cstdio> using namespace std; int T,A,B,F[5000005],G[5000005]; int main(){ scanf("%d%d%d",&T,&A,&B); F[0]=1; for (int i=0; i<=T; i++) F[i+A]|=F[i],F[i+B]|=F[i]; for (int i=0; i<=T; i++) G[i/2]|=F[i]; for (int i…
4397: [Usaco2015 dec]Breed Counting Time Limit: 10 Sec Memory Limit: 128 MB Submit: 29 Solved: 25 [Submit][Status][Discuss] Description Farmer John's N cows, conveniently numbered 1-N, are all standing in a row (they seem to do so often that it now…
[Usaco2015 dec]Max Flow Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 353 Solved: 236[Submit][Status][Discuss] Description Farmer John has installed a new system of N−1 pipes to transport milk between the N stalls in his barn (2≤N≤50,000), conveni…
