Problem Statement: Chef has three spells. Their powers are A, B, and C respectively. Initially, Chef has 0 hit points, and if he uses a spell with power P, then his number of hit points increases by P Before going to sleep, Chef wants to use exactly two spells out…

Problem Statement: Finally a monsoon has come. According to the Meteorological Department, there will be rain in the upcoming N days in the city. Initially, the water level of the city is zero millimetres. The amount of rain on the i-th day can be described by an integer Ai as…

Problem Statement: Jarvis is weak in computing palindromes for Alphanumeric characters. While Ironman is busy fighting Thanos, he needs to activate sonic punch but Jarvis is stuck in computing palindromes. You are given a string S containing alphanumeric characters. Find out whether the string is a palindrome or not. …