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Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in which multiplications are performed is arbitrary. H

There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last century. Unfortunately, funds were extremely limited that time. It was possible to e

Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 36179   Accepted: 11729 Description Farmer John wants to repair a small length of the fence around the pasture. He mea

Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10700   Accepted: 3117 Description A group of cows grabbed a truck and ventured on an expedition deep into the jungl