To stay woke and attentive during classes, Karen needs some coffee! Karen, a coffee aficionado, wants to know the optimal temperature for brewing the perfect cup of coffee. Indeed, she has spent some time reading several recipe books, including the u…
Karen has just arrived at school, and she has a math test today! The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual test. So, they just pu…
On the way home, Karen decided to stop by the supermarket to buy some groceries. She needs to buy a lot of goods, but since she is a student her budget is still quite limited. In fact, she can only spend up to b dollars. The supermarket sells n goods…
C. Karen and Game time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output On the way to school, Karen became fixated on the puzzle game on her phone! The game is played as follows. In each level,…
Karen is getting ready for a new school day! It is currently hh:mm, given in a 24-hour format. As you know, Karen loves palindromes, and she believes that it is good luck to wake up when the time is a palindrome. What is the minimum number of minutes…
http://codeforces.com/contest/816/problem/B To stay woke and attentive during classes, Karen needs some coffee! Karen, a coffee aficionado, wants to know the optimal temperature for brewing the perfect cup of coffee. Indeed, she has spent some time r…
To stay woke and attentive during classes, Karen needs some coffee! Karen, a coffee aficionado, wants to know the optimal temperature for brewing the perfect cup of coffee. Indeed, she has spent some time reading several recipe books, including the u…
1.题目A:Karen and Morning 题意: 给出hh:mm格式的时间,问至少经过多少分钟后,该时刻为回文字符串? 思路: 简单模拟,从当前时刻开始,如果hh的回文rh等于mm则停止累计.否则,根据rh和mm的大小来累计sum,然后hh+1,不断尝试. #include<iostream> using namespace std; int main() { int hh,mm; char c; while (cin >> hh >> c >> mm…
A. Karen and Morning time limit per test 2 seconds memory limit per test 512 megabytes Karen is getting ready for a new school day! It is currently hh:mm, given in a 24-hour format. As you know, Karen loves palindromes, and she believes that it i…
A. Karen and Morning time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Karen is getting ready for a new school day! It is currently hh:mm, given in a 24-hour format. As you know, Karen loves…
