Category: beginner

GCD (Greatest Common Divisor), in mathematics, is refered to the largest number that divides two or more non-zero integers without a remainder. For example, the GCD of 8 and …

The problem is from codeforces: http://codeforces.com/problemset/problem/180/C Let n be the number of lower-cases that have encountered so far from left to right; So everytime there is an uppercase letter, …

The problem is from codeforces http://codeforces.com/problemset/problem/2/A To solve this problem, you will probably need to know the dictionary. In Python, the dictionary structure can be declared using notation {}. …

The problem is from codeforces: http://codeforces.com/problemset/problem/200/B This is another easy problem as long as you figure out how to compute the value. For example, The answer = Python gives …

The problem is from codeforces: http://codeforces.com/problemset/problem/199/A There is no way you could get it wrong for this easy problem. I hope nobody would actually output the message. All the …