achyuth1313

import sys
from typing import Union

# mostly assuming valid RPN expressions

class Cell:
    def __init__(self, expr, value: Union[float, int]):
        self.expr: str = expr
        self.value: Union[float, int] = value

achyuth1313

from typing import List


class MinHeap:
    def __init__(self, input_arr):
        self.heap = input_arr
        startidx = len(self.heap) // 2 - 1
        for i in range(startidx, -1, -1):
            self._percolate_down(i)