摘要:
题目网址:http://codeforces.com/problemset/problem/416/CDescriptionInnovation technologies are on a victorious march around the planet. They integrate into... 阅读全文
摘要:
题目网址:http://codeforces.com/problemset/problem/416/BA well-known art union called "Kalevich is Alive!" manufactures objects d'art (pictures). The union... 阅读全文