![image](https://assets.leetcode.com/users/user7551s/image_1572492849.png)\nWrite a program to find how much water can be stored/traped,where the width of each bar is 1 unit\nEx-\n  Input - 6 (number of bars)\n              3 0 0 2 0 4 ( height of bars)\n  Output - 10  \n  ![image](https://assets.leetcode.com/users/user7551s/image_1572493222.png)\n\n  \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

\nWrite a program to find how much water can be stored/traped,where the width of each bar is 1 unit\nEx-\n  Input - 6 (number of bars)\n              3 0 0 2 0 