codeswarrior的博客

Simple String Problem FZU - 2218 Recently, you have found your interest in string theory. Here is an interesting question about strings....

Doing Homework Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline of handing in the homework. If Ign...

Looking for Order Girl Lena likes it when everything is in order, and looks for order everywhere. Once she was getting ready for the University and noticed that the room was in a mess — all the objec...

ICPC2018南京网络赛 AC Challenge Dlsj is competing in a contest with n(0<n≤20)n(0<n≤20)n(0<n≤20)n(0<n≤20)n(0<n≤20)n(0<n≤20)n(0pi,1pi,1pi,1​−th,pi,2pi,2pi,2​−th,.........,pi,sipi,sipi,si​​...

Necklace HDU - 3091 One day , Partychen gets several beads , he wants to make these beads a necklace . But not every beads can link to each other, every bead should link to some particular bead(s). ...