Buggy python submission (verdict: Time Limit Exceeded):
N, K, C = map(int, input().split())
S = list(input())
countr = 0
countl = 0
switchr = 0
switchl = 0
left_greedy = [0]*len(S)
right_greedy=[0]*len(S)
#left
for l in range(len(S)):
    i = S[l]
    if switchl ==1:
        if i == 'o':
            if countl >= C:
                left_greedy[l]=1
                
                countl = 0
            else:
                countl+=1
               
        else:
            countl+=1
    else:
        if i == 'o':
            left_greedy[l]=1
            switchl+=1
#right_greedy
    r = len(S)-l-1
    i = S[r]
    if switchr ==1:
        if i == 'o':
            if countr >= C:
                right_greedy[r]=1
                
                countr = 0
            else:
                countr+=1
        else:
            countr+=1
            
    else:
        if i == 'o':
            right_greedy[r]=1
            switchr+=1
for i in range(len(S)):
    if S[i] ==  'o':
        l = left_greedy[0:i].count(1)
        r = right_greedy[i+1:len(S)].count(1)
        x = r+l
        if 1 in left_greedy[0:i][::-1]:
            if 1 in right_greedy[i+1:len(S)-1]:
                if left_greedy[0:i][::-1].index(1)+right_greedy[i+1:len(S)-1][::-1].index(1)+1 < C:
                    x+=-1
        if x < K:
            print(i+1)

Fixed submission:
n,k,c = list(map(int,input().split()));s=[True if i=="o" else False for i in input()]
front=[0]*n;back=[0]*n;count=0
 
day = 0
while day < n:
    if s[day]:
        count += 1
        front[day]= 1
        day += c+1
    else:
        day += 1
    
s = s[::-1]
day = 0
while day < n:
    if s[day]:
        back[day]= 1
        day += c+1
    else:
        day += 1
back = back[::-1]
    
if count ==k:
    for i in range(n):
        if front[i] ==1 and back[i] == 1:
            print(i+1)

Buggy python submission (verdict: Time Limit Exceeded):
N, K, C = map(int, input().split())
S = list(input())
#left_greedy
count = 0
switch = 0
left_greedy = [0]*len(S)
right_greedy=[0]*len(S)
clist = [0]*len(S)
for l in range(len(S)):
    i = S[l]
    if switch ==1:
        if i == 'o':
            if count >= C:
                left_greedy[l]=1
                clist[l] = count
                count = 0
            else:
                count+=1
                clist[l] = count
        else:
            count+=1
            clist[l] = count
    else:
        if i == 'o':
            left_greedy[l]=1
            switch+=1
#left_greedy
switch = 0
for r in range(len(S)-1, 0, -1):
    i = S[r]
    if switch ==1:
        if i == 'o':
            if count >= C:
                right_greedy[r]=1
                clist[r] = count
                count = 0
            else:
                count+=1
                clist[l] = count
        else:
            count+=1
            clist[l] = count
    else:
        if i == 'o':
            right_greedy[r]=1
            switch+=1
for i in range(len(S)):
    if S[i] ==  'o':
        l = left_greedy[0:i].count(1)
        r = right_greedy[i+1:len(S)].count(1)
        x = r+l
        if 1 in left_greedy[0:i][::-1]:
            if 1 in right_greedy[i+1:len(S)-1]:
                if left_greedy[0:i][::-1].index(1)+right_greedy[i+1:len(S)-1][::-1].index(1)+1 < C:
                    x+=-1
        if x < K:
            print(i+1)

Fixed submission:
n,k,c = list(map(int,input().split()));s=[True if i=="o" else False for i in input()]
front=[0]*n;back=[0]*n;count=0
 
day = 0
while day < n:
    if s[day]:
        count += 1
        front[day]= 1
        day += c+1
    else:
        day += 1
    
s = s[::-1]
day = 0
while day < n:
    if s[day]:
        back[day]= 1
        day += c+1
    else:
        day += 1
back = back[::-1]
    
if count ==k:
    for i in range(n):
        if front[i] ==1 and back[i] == 1:
            print(i+1)

Buggy python submission (verdict: Time Limit Exceeded):
N, K, C = map(int, input().split())
S = list(input())
#left_greedy
count = 0
switch = 0
left_greedy = [0]*len(S)
right_greedy=[0]*len(S)
clist = [0]*len(S)
for l in range(len(S)):
    i = S[l]
    if switch ==1:
        if i == 'o':
            if count >= C:
                left_greedy[l]=1
                clist[l] = count
                count = 0
            else:
                count+=1
                clist[l] = count
        else:
            count+=1
            clist[l] = count
    else:
        if i == 'o':
            left_greedy[l]=1
            switch+=1
#left_greedy
switch = 0
for r in range(len(S)-1, 0, -1):
    i = S[r]
    if switch ==1:
        if i == 'o':
            if count >= C:
                right_greedy[r]=1
                clist[r] = count
                count = 0
            else:
                count+=1
                clist[l] = count
        else:
            count+=1
            clist[l] = count
    else:
        if i == 'o':
            right_greedy[r]=1
            switch+=1
for i in range(len(S)):
    if S[i] ==  'o':
        l = left_greedy[0:i].count(1)
        r = right_greedy[i+1:len(S)].count(1)
        x = r+l
        if 1 in left_greedy[0:i][::-1]:
            if 1 in right_greedy[i+1:len(S)-1]:
                if left_greedy[0:i][::-1].index(1)+right_greedy[i+1:len(S)-1][::-1].index(1)+1 < C:
                    x+=-1
        if x < K:
            print(i+1)

Fixed submission:
n,k,c = list(map(int,input().split()));s=[True if i=="o" else False for i in input()]
front=[0]*n;back=[0]*n;count=0
 
day = 0
while day < n:
    if s[day]:
        count += 1
        front[day]= 1
        day += c+1
    else:
        day += 1
    
s = s[::-1]
day = 0
while day < n:
    if s[day]:
        back[day]= 1
        day += c+1
    else:
        day += 1
back = back[::-1]
    
if count ==k:
    for i in range(n):
        if front[i] ==1 and back[i] == 1:
            print(i+1)