麦芽雪冷萃

Problem Description： You are fighting with Zmei Gorynich — a ferocious monster from Slavic myths, a huge dragon-like reptile with multiple heads! Init […]

Problem Description： You play your favourite game yet another time. You chose the character you didn’t play before. It has strstr points of stre […]

Problem Description： After the lessons n groups of schoolchildren went outside and decided to visit Polycarpus to celebrate his birthday. We know that […]

Problem Description： Polycarp is reading a book consisting of n pages numbered from 1 to n. Every time he finishes the page with the number divisible […]

Problem Description： You are given n chips on a number line. The i-th chip is placed at the integer coordinate . Some chips can have equal coordinates […]

Problem Description： Polycarp analyzes the prices of the new berPhone. At his disposal are the prices for n last days: ,,…,, where  is the price of be […]