Buggy python submission (verdict: Time Limit Exceeded):
"""Allocation argorithm."""

def carriable_baggage(baggage, baggage_num, truck_capacity, truck_num):
    """Return the number of baggae which trucks can carry."""
    carried_baggage = 0
    for i in range(truck_num):
        laden_weight = 0
        while laden_weight < truck_capacity and carried_baggage < baggage_num:
            laden_weight += baggage[carried_baggage]
            carried_baggage += 1
        if laden_weight > truck_capacity:
            carried_baggage -= 1
        if carried_baggage == baggage_num:
            return carried_baggage
    return carried_baggage

def min_capacity(baggage, baggage_num, truck_num):
    """Return the minimum value of maximum load capacity of trucks."""
    heaviest_baggage = max(baggage)
    average_capacity = sum(baggage) // truck_num
    capacity = max(heaviest_baggage, average_capacity)
    while carriable_baggage(baggage, baggage_num, capacity, truck_num) < baggage_num:
        capacity += 1
    return capacity


import sys

baggage_num, truck_num = map(int, sys.stdin.readline().split())

baggage = list(map(int, sys.stdin))

capacity = min_capacity(baggage, baggage_num, truck_num)

print(capacity)

Fixed submission:
def carriable_baggage(baggage, baggage_num, truck_capacity, truck_num):
    """Return the number of baggae which trucks can carry."""
    laden_baggage = 0
    for i in range(truck_num):
        laden_weight = 0
        while laden_weight + baggage[laden_baggage] <= truck_capacity:
            laden_weight += baggage[laden_baggage]
            laden_baggage += 1
            if laden_baggage == baggage_num:
                return baggage_num
    return laden_baggage

def min_capacity(baggage, baggage_num, truck_num):
    """Return the minimum value of maximum load capacity of trucks."""
    left = 0
    right = 1000000000
    while right - left > 1:
        mid = (left + right) // 2
        v = carriable_baggage(baggage, baggage_num, mid, truck_num)
        if v >= baggage_num:
            right = mid
        else:
            left = mid
    return right


import sys

n, k = map(int, sys.stdin.readline().split())

T = list(map(int, sys.stdin))

P = min_capacity(T, n, k)

print(P)

Buggy python submission (verdict: Time Limit Exceeded):
def carriable_baggage(baggage, baggage_num, truck_capacity, truck_num):
    """Return the number of baggae which trucks can carry."""
    laden_baggage = 0
    for i in range(truck_num):
        laden_weight = 0
        while laden_weight + baggage[laden_baggage] <= truck_capacity:
            laden_weight += baggage[laden_baggage]
            laden_baggage += 1
            if laden_baggage == baggage_num:
                return baggage_num
    return laden_baggage

def min_capacity(baggage, baggage_num, truck_num):
    """Return the minimum value of maximum load capacity of trucks."""
    heaviest_baggage = max(baggage)
    average_capacity = sum(baggage) // truck_num
    capacity = max(heaviest_baggage, average_capacity)
    while carriable_baggage(baggage, baggage_num, capacity, truck_num) < baggage_num:
        capacity += 1
    return capacity


import sys

baggage_num, truck_num = map(int, sys.stdin.readline().split())

baggage = list(map(int, sys.stdin))

capacity = min_capacity(baggage, baggage_num, truck_num)

print(capacity)

Fixed submission:
def carriable_baggage(baggage, baggage_num, truck_capacity, truck_num):
    """Return the number of baggae which trucks can carry."""
    laden_baggage = 0
    for i in range(truck_num):
        laden_weight = 0
        while laden_weight + baggage[laden_baggage] <= truck_capacity:
            laden_weight += baggage[laden_baggage]
            laden_baggage += 1
            if laden_baggage == baggage_num:
                return baggage_num
    return laden_baggage

def min_capacity(baggage, baggage_num, truck_num):
    """Return the minimum value of maximum load capacity of trucks."""
    left = 0
    right = 1000000000
    while right - left > 1:
        mid = (left + right) // 2
        v = carriable_baggage(baggage, baggage_num, mid, truck_num)
        if v >= baggage_num:
            right = mid
        else:
            left = mid
    return right


import sys

n, k = map(int, sys.stdin.readline().split())

T = list(map(int, sys.stdin))

P = min_capacity(T, n, k)

print(P)

Buggy python submission (verdict: Time Limit Exceeded):
def carriable_baggage(baggage, baggage_num, truck_capacity, truck_num):
    """Return the number of baggae which trucks can carry."""
    laden_baggage = 0
    for i in range(truck_num):
        laden_weight = 0
        while laden_weight + baggage[laden_baggage] <= truck_capacity:
            laden_weight += baggage[laden_baggage]
            laden_baggage += 1
            if laden_baggage == baggage_num:
                return baggage_num
    return laden_baggage

def min_capacity(baggage, baggage_num, truck_num):
    """Return the minimum value of maximum load capacity of trucks."""
    left = max(baggage)
    right = sum(baggage)
    while left != right:
        mid = (left + right) // 2
        v = carriable_baggage(baggage, baggage_num, mid, truck_num)
        if v >= baggage_num:
            right = mid;
        else:
            left = mid
    return right


import sys

n, k = map(int, sys.stdin.readline().split())

T = list(map(int, sys.stdin))

P = min_capacity(T, n, k)

print(P)

Fixed submission:
def carriable_baggage(baggage, baggage_num, truck_capacity, truck_num):
    """Return the number of baggae which trucks can carry."""
    laden_baggage = 0
    for i in range(truck_num):
        laden_weight = 0
        while laden_weight + baggage[laden_baggage] <= truck_capacity:
            laden_weight += baggage[laden_baggage]
            laden_baggage += 1
            if laden_baggage == baggage_num:
                return baggage_num
    return laden_baggage

def min_capacity(baggage, baggage_num, truck_num):
    """Return the minimum value of maximum load capacity of trucks."""
    left = 0
    right = 1000000000
    while right - left > 1:
        mid = (left + right) // 2
        v = carriable_baggage(baggage, baggage_num, mid, truck_num)
        if v >= baggage_num:
            right = mid
        else:
            left = mid
    return right


import sys

n, k = map(int, sys.stdin.readline().split())

T = list(map(int, sys.stdin))

P = min_capacity(T, n, k)

print(P)