Online Judge

【CodeForces】[1A]Theatre Square

Online Judge

【杭电】[5660]jrMz and angles

Online Judge

【NYOJ】[1923] 关于521

Online Judge

【NYOJ】[2028]数字分隔（二）

Online Judge

【NYOJ】[1798]A+B Problem（V）

Online Judge

【CodeForces】[652A]Gabriel and Caterpillar

Online Judge

【CodeForces】[653A]Bear and Three Balls

Online Judge

【CodeForces】[656A]Da Vinci Powers

Online Judge

【CodeForces】[658A]Bear and Reverse Radewoosh

Online Judge

【CodeForces】[598A]Tricky Sum

Online Judge

【CodeForces】[610B]Vika and Squares

Online Judge

【杭电】[2099]整除的尾数

Online Judge

【杭电】[2073]无限的路

Online Judge

【杭电】[1161]Eddy's mistakes

Online Judge

【杭电】[1859]最小长方形