Buggy python submission (verdict: Runtime Error):
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxaa = -1 * heapq.heappop(A)
        if max(A) == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxaa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxa = -1 * heapq.heappop(A)
        if maxa == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
       AA[i] = A[i] * (-1)
    heapq.heapify(AA)

    for i in range(M):
        maxaa=-1 * heapq.heappop(AA)
        if max(A) == 0:
            print("0")
            exit()
        heapq.heappush(AA,  maxaa // 2 * (-1))
    print(sum(AA) * (-1))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxa = -1 * heapq.heappop(A)
        if maxa == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
       AA[i] = A[i] * (-1))
    heapq.heapify(AA)

    for i in range(M):
        maxaa=-1 * heapq.heappop(AA)
        if max(A) == 0:
            print("0")
            exit()
        heapq.heappush(AA,  maxaa // 2 * (-1))
    print(sum(AA) * (-1))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxa = -1 * heapq.heappop(A)
        if maxa == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    AA = []
    for i in range(N):
        heapq.heappush(AA, A[i] * (-1))

    for i in range(M):
        maxaa = -1 * heapq.heappop(AA)
        if max(A) == 0:
            print("0")
            exit()
        heapq.heappush(AA,  maxaa // 2 * (-1))
    print(sum(AA) * (-1))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxa = -1 * heapq.heappop(A)
        if maxa == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10000)


def input():
    return sys.stdin.readline().rstrip()


def dfs(a, m):
    if max(a) == 0:
        return 0
    if m == 0:
        return sum(a)
    a[a.index(max(a))] //= 2
    return dfs(a, m-1)


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))

    #print(dfs(A, M))
    for i in range(M):
        A[A.index(max(A))] //= 2
        if max(A) == 0:
            print("0")
            exit()
    print(sum(A))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxa = -1 * heapq.heappop(A)
        if maxa == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10000)


def input():
    return sys.stdin.readline().rstrip()


def dfs(a, m):
    if max(a) == 0:
        return 0
    if m == 0:
        return sum(a)
    a[a.index(max(a))] //= 2
    return dfs(a, m-1)


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))

    print(dfs(A, M))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxa = -1 * heapq.heappop(A)
        if maxa == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
import sys


def input():
    return sys.stdin.readline().rstrip()


def dfs(a, m):
    if max(a) == 0:
        return 0
    if m == 0:
        return sum(a)
    a[a.index(max(a))] //= 2
    return dfs(a, m-1)


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))

    print(dfs(A, M))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
import heapq


def input():
    return sys.stdin.readline().rstrip()


def main():
    N, M = map(int, input().split())
    A = list(map(int, input().split()))
    for i in range(N):
        A[i] *= -1
    heapq.heapify(A)

    for i in range(M):
        maxa = -1 * heapq.heappop(A)
        if maxa == 0:
            print("0")
            exit()
        heapq.heappush(A,  maxa // 2 * (-1))
    print(sum(A) * (-1))


if __name__ == '__main__':
    main()