Apartments

applicants, apartments, diff = [int(x) for x in input().split()]
desired_sizes = []
apt_sizes = []

def main():
    tenants = 0
    for x in input().split():
        desired_sizes.append(int(x))
    for x in input().split():
        apt_sizes.append(int(x))
    apt_sizes.sort()
    desired_sizes.sort()

    #print(desired_sizes)
    #print(apt_sizes)

    #i - applicant pointer, j - apartment pointer
    i = 0
    j = 0
    while i < applicants and j < apartments:
        lower = desired_sizes[i] - diff
        if apt_sizes[j] < lower:
            j += 1
        elif apt_sizes[j] >= lower:
            tenants += 1
            i += 1
            j += 1
        else:
            i += 1

    print(tenants)

if __name__ == "__main__":
    main()

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: ACCEPTED

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED