you give integer array num you initially position array index element array represent maximum jump length positionreturn true reach index false Example 1input num 23114output trueexplanation jump 1 step index 0 1 3 step indexExample 2input num 32104output falseexplanation you arrive index 3 matter its maximum jump length 0 make impossible reach index Constraints1 numslength 1040 numsi 105