Wall Painting TCS NQT

Wall Painting  TCS NQT 

Problem:

Interior wall painting cost is X rupees per square feet and exterior wall painting cost is Y rupees per square feet. A house has M interior walls and N exterior walls to paint. The program must accept the surface area (in units of square feet) of the M interior walls and N exterior walls as the input. The program must print the total estimated cost with the precision up to 2 decimal places as the output. 

Boundary Condition(s): 

1 <= X, Y, M, N <= 100 

Input Format: 

The first line contains X and Y separated by a space. The second line contains M and N separated by a space. The next (M+N) lines, each contains a floating point value representing the surface area of a wall (Interior walls followed by exterior walls). 

Output Format: 

The first line contains the total estimated cost with the precision up to 2 decimal places. 

Example Input/Output 1: 

Input: 

18 12 

6 3 

14.3 15.2 10.5 12.5 15.2 14.3 10.25 10.25 10.0 

Output: 

1842.00 

Explanation: 

The interior wall painting cost is 18 rupees per square feet and the exterior wall painting cost is 12 rupees per square feet. Here M=6 and N=3. The total surface area of 6 interior walls is 82 (14.3+15.2+10.5+12.5+15.2+14.3) square feet. The total cost to paint 6 interior walls is 1476 (82*18) rupees. The total surface area of 3 exterior walls is 30.5 (10.25+10.25+10.0) square feet. The total cost to paint 3 exterior walls is 366 (30.5*12) rupees. The total estimated cost with the precision upto two decimal places is 1842.00 (1476 + 366) rupees.

Example Input/Output 2: 

Input: 

7 10 

4 3 

24.5 12.2 13.7 5.6 32.5 10.2 12.3 

Output: 

942.00

Program:

x,y = map(int,input().split())

m,n = map(int,input().split())

tot_interior = 0 

tot_exterior = 0 

for i in range(m): 

    tot_interior += float(input())

for i in range(n): 

    tot_exterior += float(input())

cost_interior = tot_interior * x 

cost_exterior = tot_exterior * y 

print("%.2f"%(cost_exterior+cost_interior))

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