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Articles tagged with #hackerrank
Problem statement: Number Line Jumps You are choreographing a circus show with various animals. For one act, you are given two kangaroos on a number line ready to jump in the positive direction (i.e, toward positive infinity). - The first kangaroo st...
Problem statement: Cats and a mouse. Two cats and a mouse are at various positions on a line. You will be given their starting positions. Your task is to determine which cat will reach the mouse first, assuming the mouse does not move and the cats tr...
Problem statement: Array reverse The question requires us to write a function that accepts an array as argument and returns a reverse of the array. function reverseArray(a){ let newArray=[]; for(let i=a.length-1;i>=0;i--){ newArray.push(a[i]) } retur...
Problem statement: Birthday Cake candles. You are in charge of the cake for a child's birthday. You have decided the cake will have one candle for each year of their total age. They will only be able to blow out the tallest of the candles. Count how ...
Problem statement: Staircase. Staircase detail This is a staircase of size n=4: # ## ### #### Its base and height are both equal to n. It is drawn using # symbols and spaces. The last line is not preceded by any spaces. Write a program that prints a ...
Problem statement: Counting valleys. An avid hiker keeps meticulous records of their hikes. During the last hike that took exactly steps steps, for every step it was noted if it was an uphill,U , or a downhill,D step. Hikes always start and end at se...