Buggy python submission (verdict: Time Limit Exceeded):
import heapq
n,m=map(int,input().split())
x=list(map(int,input().split()))
x.sort(reverse=True)
heapq.heapify(x)
ans=0
for i in range(m):
    y=heapq.nlargest(1,x)[0]
    x.remove(y)
    x.append(y//2)
for j in range(n):
    ans+=x[j]
print(ans)

Fixed submission:
import heapq
n,m=map(int,input().split())
x=list(map(int,input().split()))
for k in range(n):
    x[k]-=2*x[k]
heapq.heapify(x)
ans=0
for i in range(m):
    maxvalue=heapq.heappop(x)*(-1)
    heapq.heappush(x,(maxvalue//2)*(-1))
ans=-1*sum(x)
print(ans)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
x=list(map(int,input().split()))
x.sort(reverse=True)
ans=0
a=[]
k=0
left = 0
right = len(x) - 1
for i in range(m):
    x[0]=x[0]//2
    while left <= right:
        mid = (left + right) // 2
        if  x[mid] >= x[0]>=x[mid+1]:
            x.insert(mid+1,x[0])
            x.remove(x[0])
            break               
        elif x[mid] > x[0]:
            right = mid - 1
        else:
            left = mid + 1
for j in range(n):
    ans+=x[j]
print(ans)

Fixed submission:
import heapq
n,m=map(int,input().split())
x=list(map(int,input().split()))
for k in range(n):
    x[k]-=2*x[k]
heapq.heapify(x)
ans=0
for i in range(m):
    maxvalue=heapq.heappop(x)*(-1)
    heapq.heappush(x,(maxvalue//2)*(-1))
ans=-1*sum(x)
print(ans)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
x=list(map(int,input().split()))
x.sort(reverse=True)
ans=0
a=[]
k=0
for i in range(m):
    x[0]=x[0]//2
    if x[0]<x[1]:
        x.sort(reverse=True)
print(ans)

Fixed submission:
import heapq
n,m=map(int,input().split())
x=list(map(int,input().split()))
for k in range(n):
    x[k]-=2*x[k]
heapq.heapify(x)
ans=0
for i in range(m):
    maxvalue=heapq.heappop(x)*(-1)
    heapq.heappush(x,(maxvalue//2)*(-1))
ans=-1*sum(x)
print(ans)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
x=list(map(int,input().split()))
x.sort(reverse=True)
ans=0
a=[]
print(x)
k=0
if n==1:
    for i in range(m):
        x[0]=x[0]//2
        if x[0]<x[1]:
            x.sort(reverse=True)
print(ans)

Fixed submission:
import heapq
n,m=map(int,input().split())
x=list(map(int,input().split()))
for k in range(n):
    x[k]-=2*x[k]
heapq.heapify(x)
ans=0
for i in range(m):
    maxvalue=heapq.heappop(x)*(-1)
    heapq.heappush(x,(maxvalue//2)*(-1))
ans=-1*sum(x)
print(ans)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
x=list(map(int,input().split()))
x.sort(reverse=True)
ans=0
a=[]
print(x)
k=0
if n==1:
    for i in range(m):
        x[0]=x[0]//2
    ans=x[0]
else:
    for i in range(m):
        if x[0]<x[1]:
            a.append(x[0])
            x.remove(x[0])
        else:
            x[0]=x[0]//2
            continue
        if len(a)>0:
            if a[0]>x[0]:
                a[0]=a[0]//2
                a.sort(reverse=True)
            else:
                x[0]=x[0]//2
    for j in range(len(x)):
        ans+=x[j]
    for o in range(len(a)):
        ans+=a[o]
print(ans)

Fixed submission:
import heapq
n,m=map(int,input().split())
x=list(map(int,input().split()))
for k in range(n):
    x[k]-=2*x[k]
heapq.heapify(x)
ans=0
for i in range(m):
    maxvalue=heapq.heappop(x)*(-1)
    heapq.heappush(x,(maxvalue//2)*(-1))
ans=-1*sum(x)
print(ans)