# Takoma Park M.S. # Jr-5 # Contest 1 # Sameer Mehta # input file FILE_NAME = "1jr_testdata.txt" # open file with open(FILE_NAME) as f: # for every line in the file for line in f: # strip and split the line into a list line = line.strip().split() # convert n into a list of integers n = list(line[0]) for i in range(len(n)): n[i] = int(n[i]) # assign the rest of the variables p = int(line[1]) d = int(line[2]) # check if the pth digit from the right is less than or equal to 4 if n[-p] <= 4: # replace with the units digit of the sum of this digit and d n[-p] = (n[-p] + d) % 10 # otherwise else: # replace with the first digit of the absolute difference of this digit and d n[-p] = int(str(abs(n[-p] - d))[0]) # replace all values after the pth position with zeroes for i in range(len(n)-p+1,len(n)): n[i]=0 # print the result for digit in n: print(digit, end="") print()