Buggy python submission (verdict: Time Limit Exceeded):
def main():
    n, k, c = map(int,input().split())
    s = input()
    schedule = [w == "o" for w in s]
    left = []
    l_day = 0
    right = []
    r_day = n - 1
    while len(left) < k:
        if schedule[l_day]:
            left.append(l_day)
            l_day += c
        l_day += 1

    while len(right) < k:
        if schedule[r_day]:
            right = [r_day] + right
            r_day -= c
        r_day -= 1


    for i in range(k):
        if left[i] == right[i]:
            print(left[i] + 1)



if __name__ == "__main__":
    main()


Fixed submission:
def main():
    n, k, c = map(int,input().split())
    s = input()
    schedule = [w == "o" for w in s]
    left = []
    l_day = 0
    right = []
    r_day = n - 1
    while len(left) < k:
        if schedule[l_day]:
            left.append(l_day)
            l_day += c
        l_day += 1

    while len(right) < k:
        if schedule[r_day]:
            right.append(r_day)
            r_day -= c
        r_day -= 1

    right.reverse()


    for i in range(k):
        if left[i] == right[i]:
            print(left[i] + 1)



if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():
    n, k, c = map(int,input().split())
    s = input()
    schedule = [w == "o" for w in s]
    left = []
    l_day = 0
    right = []
    r_day = n - 1
    for i_1 in range(n):
        if schedule[l_day]:
            left.append(l_day)
            l_day += c
        l_day += 1
        if len(left) == k:
            break

    for i_2 in range(n):
        if schedule[r_day]:
            right = [r_day] + right
            r_day -= c
        r_day -= 1
        if len(right) == k:
            break
    for i in range(k):
        if left[i] == right[i]:
            print(left[i] + 1)



if __name__ == "__main__":
    main()


Fixed submission:
def main():
    n, k, c = map(int,input().split())
    s = input()
    schedule = [w == "o" for w in s]
    left = []
    l_day = 0
    right = []
    r_day = n - 1
    while len(left) < k:
        if schedule[l_day]:
            left.append(l_day)
            l_day += c
        l_day += 1

    while len(right) < k:
        if schedule[r_day]:
            right.append(r_day)
            r_day -= c
        r_day -= 1

    right.reverse()


    for i in range(k):
        if left[i] == right[i]:
            print(left[i] + 1)



if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():
    n, k, c = map(int,input().split())
    s = input()
    schedule = [w == "o" for w in s]
    for i in range(n):
        if not schedule[i]:
            continue
        det(schedule,i,n,k,c)

def det(schedule,i,n,k,c):
    ins = schedule.copy()
    ins[i] = False
    count = 0
    date = 0
    for _ in range(n):
        if ins[date]:
            count += 1
            date += c
        date += 1
        if date >= n:
            break
    if count < k:
        print(i + 1)






if __name__ == "__main__":
    main()


Fixed submission:
def main():
    n, k, c = map(int,input().split())
    s = input()
    schedule = [w == "o" for w in s]
    left = []
    l_day = 0
    right = []
    r_day = n - 1
    while len(left) < k:
        if schedule[l_day]:
            left.append(l_day)
            l_day += c
        l_day += 1

    while len(right) < k:
        if schedule[r_day]:
            right.append(r_day)
            r_day -= c
        r_day -= 1

    right.reverse()


    for i in range(k):
        if left[i] == right[i]:
            print(left[i] + 1)



if __name__ == "__main__":
    main()