Online Judge

【CodeForces】[673A]Bear and Game

Online Judge

【CodeForces】[651B]Beautiful Paintings

Online Judge

【CodeForces】[621B]Wet Shark and Bishops

Online Judge

【CodeForces】[673B]Problems for Round

Online Judge

【CodeForces】[621A]Wet Shark and Odd and Even

Online Judge

【NYOJ】[1046] 少乘法次数

Online Judge

【NYOJ】[1023] 取石子（一）

Online Judge

【UVa】[156]Ananagrams

Online Judge

【CodeForces】[75A]Life Without Zeros

Online Judge

【CodeForces】[66B]Petya and Countryside

Online Judge

【CodeForces】[66A]Petya and Java

Online Judge

【POJ】[3273]Monthly Expense

Online Judge

【POJ】[3258]River Hopscotch

Online Judge

【POJ】[2456]Aggressive cows

Online Judge

【UVa】[11582]Colossal Fibonacci Numbers!