perye

ParencodingsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 19352 Accepted: 11675DescriptionLet S = s1 s2...s2n be a well-formed string of parentheses. S can be encoded in two different ways...

Black BoxTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 7099 Accepted: 2888DescriptionOur Black Box represents a primitive database. It can save an integer array and has a special i variabl...

Fence RepairTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 25274 Accepted: 8131DescriptionFarmer John wants to repair a small length of the fence around the pasture. He measures the fence a...

Labeling BallsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 10161 Accepted: 2810DescriptionWindy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 t...