原题: Description While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, loc…
题目链接: A. Mike and Cellphone time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he…
原题: Description Mike wants to prepare for IMO but he doesn't know geometry, so his teacher gave him an interesting geometry problem. Let's define f([l, r]) = r - l + 1 to be the number of integer points in the segment [l, r] with l ≤ r (say that ). Y…
原题: Description Recently, Mike was very busy with studying for exams and contests. Now he is going to chill a bit by doing some sight seeing in the city. City consists of n intersections numbered from 1 to n. Mike starts walking from his house locate…
Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Description Bad news came to Mike's village, some thieves stole a bunch of chocolates from the local factory! Horrible! Aside from loving sweet things, thieves from this…
A. Mike and Cellphone 题目连接: http://www.codeforces.com/contest/689/problem/A Description While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fas…
A. Mike and Cellphone time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bough…
Mike and Cellphone 题目链接: http://acm.hust.edu.cn/vjudge/contest/121333#problem/E Description While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old…
写一半去开程序的时候不小心关了网页,LOFTER我都不奢望加入代码高亮,最起码我关闭的时候弹个对话框,再不济也给我定时保存一下草稿吧. A. Mike and Cellphone time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output While swimming at the beach, Mike has accidentally…