Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline

from heapq import heappop, heappush

N, Q = map(int, input().split())
event_list = []
for i in range(N):
  s, t, x = map(int, input().split())
  event_list.append([s-x, 1, x])
  event_list.append([t-x, -1, x])

for i in range(Q):
  event_list.append([int(input()), 2, 0])

ans = []
event_list.sort()
x_set = set()
x_list = []
for time, event, x in event_list:
  if event == 1:
    x_set.add(x)
    heappush(x_list, x)
  elif event == -1:
    x_set.remove(x)
  else:
    while x_list and x_list[0] not in x_set:
      heappop(x_list)
    if x_list:
      ans.append(x_list[0])
    else:
      ans.append(-1)

print(*ans, sep='\n')


Fixed submission:
import sys
input = sys.stdin.readline

n,q = map(int, input().split())
# stx = [tuple(map(int, input().split())) for _ in range(n)]
stx = [0]*n
for i in range(n):
    stx[i] = tuple(map(int, input().split()))
# d = [int(input()) for _ in range(q)]
d = [0]*q
for i in range(q):
    d[i] = int(input())

#これはセグ木 * bisect
import bisect
inf = 10**9 + 100

# 定数倍高速化
b_left = bisect.bisect_left
b_right = bisect.bisect_right

def init(n,init_num=0):
    num = len(str(bin(n-1))) + 1
    seg = [init_num] * (2**num)
    # seg[0] = 2**(num-1)
    seg0 = 2**(num-1)
    return(seg,seg0)

def update(head, tail, x):
    # print('{} {} {}'.format(head, tail, x))
    head += seg0
    tail += seg0
    points = []
    while(head <= tail):
        if(head == tail):
            points.append(head)
            break

        if(head % 2 ==1):
            points.append(head)
            head += 1
        head = head//2

        if(tail % 2 == 0):
            points.append(tail)
            tail -= 1
        tail = (tail-1)//2

    for point in points:
        seg[point] = min(seg[point], x)

def execute_all():
    for i in range(2,len(seg)):
        seg[i] = min(seg[i], seg[i//2])


seg,seg0 = init(q, init_num = inf)

for i in range(n):
    left = b_left(d, stx[i][0] -stx[i][2])
    right = b_right(d, stx[i][1] - stx[i][2] -1) -1
    update(left, right, stx[i][2])
    # print('{} {} {}'.format(left, right, stx[i][2]))

execute_all()

for i in seg[seg0: seg0 + q]:
    if(i == inf):
        print(-1)
    else:
        print(i)

Buggy python submission (verdict: Time Limit Exceeded):
n,q = map(int, input().split())
# stx = [tuple(map(int, input().split())) for _ in range(n)]
stx = [0]*n
for i in range(n):
    stx[i] = tuple(map(int, input().split()))
# d = [int(input()) for _ in range(q)]
d = [0]*q
for i in range(q):
    d[i] = int(input())

#これはセグ木 * bisect
import bisect
inf = 10**9 + 100

# 定数倍高速化
b_left = bisect.bisect_left
b_right = bisect.bisect_right

def init(n,init_num=0):
    num = len(str(bin(n-1))) + 1
    seg = [init_num] * (2**num)
    # seg[0] = 2**(num-1)
    seg0 = 2**(num-1)
    return(seg,seg0)

def update(head, tail, x):
    # print('{} {} {}'.format(head, tail, x))
    head += seg0
    tail += seg0
    points = []
    while(head <= tail):
        if(head == tail):
            points.append(head)
            break

        if(head % 2 ==1):
            points.append(head)
            head += 1
        head = head//2

        if(tail % 2 == 0):
            points.append(tail)
            tail -= 1
        tail = (tail-1)//2

    for point in points:
        seg[point] = min(seg[point], x)

def execute_all():
    for i in range(2,len(seg)):
        seg[i] = min(seg[i], seg[i//2])


seg,seg0 = init(q, init_num = inf)

for i in range(n):
    left = b_left(d, stx[i][0] -stx[i][2])
    right = b_right(d, stx[i][1] - stx[i][2] -1) -1
    update(left, right, stx[i][2])
    # print('{} {} {}'.format(left, right, stx[i][2]))

execute_all()

for i in seg[seg0: seg0 + q]:
    if(i == inf):
        print(-1)
    else:
        print(i)

Fixed submission:
import sys
input = sys.stdin.readline

n,q = map(int, input().split())
# stx = [tuple(map(int, input().split())) for _ in range(n)]
stx = [0]*n
for i in range(n):
    stx[i] = tuple(map(int, input().split()))
# d = [int(input()) for _ in range(q)]
d = [0]*q
for i in range(q):
    d[i] = int(input())

#これはセグ木 * bisect
import bisect
inf = 10**9 + 100

# 定数倍高速化
b_left = bisect.bisect_left
b_right = bisect.bisect_right

def init(n,init_num=0):
    num = len(str(bin(n-1))) + 1
    seg = [init_num] * (2**num)
    # seg[0] = 2**(num-1)
    seg0 = 2**(num-1)
    return(seg,seg0)

def update(head, tail, x):
    # print('{} {} {}'.format(head, tail, x))
    head += seg0
    tail += seg0
    points = []
    while(head <= tail):
        if(head == tail):
            points.append(head)
            break

        if(head % 2 ==1):
            points.append(head)
            head += 1
        head = head//2

        if(tail % 2 == 0):
            points.append(tail)
            tail -= 1
        tail = (tail-1)//2

    for point in points:
        seg[point] = min(seg[point], x)

def execute_all():
    for i in range(2,len(seg)):
        seg[i] = min(seg[i], seg[i//2])


seg,seg0 = init(q, init_num = inf)

for i in range(n):
    left = b_left(d, stx[i][0] -stx[i][2])
    right = b_right(d, stx[i][1] - stx[i][2] -1) -1
    update(left, right, stx[i][2])
    # print('{} {} {}'.format(left, right, stx[i][2]))

execute_all()

for i in seg[seg0: seg0 + q]:
    if(i == inf):
        print(-1)
    else:
        print(i)

Buggy python submission (verdict: Time Limit Exceeded):
n,q = map(int, input().split())
stx = [tuple(map(int, input().split())) for _ in range(n)]
d = [int(input()) for _ in range(q)]

#これはセグ木 * bisect
import bisect
inf = 10**9 + 100

def init(n,init_num=0):
    num = len(str(bin(n-1))) + 1
    seg = [init_num] * (2**num)
    seg[0] = 2**(num-1)
    return(seg)

def update(head, tail, x):
    # print('{} {} {}'.format(head, tail, x))
    head += seg[0]
    tail += seg[0]
    points = []
    while(head <= tail):
        if(head == tail):
            points.append(head)
            break

        if(head % 2 ==1):
            points.append(head)
            head += 1
        head = head//2

        if(tail % 2 == 0):
            points.append(tail)
            tail -= 1
        tail = (tail-1)//2

    for point in points:
        seg[point] = min(seg[point], x)

def execute(p):
    p += seg[0]
    tmp = seg[p]
    while(p > 0):
        p = p//2
        tmp = min(tmp, sep[p])
    return(tmp)

def execute_all():
    for i in range(2,len(seg)):
        seg[i] = min(seg[i], seg[i//2])


seg = init(q, init_num = inf)

for i in range(n):
    left = bisect.bisect_left(d, stx[i][0] -stx[i][2])
    right = bisect.bisect_right(d, stx[i][1] - stx[i][2] -1) -1
    update(left, right, stx[i][2])
    # print('{} {} {}'.format(left, right, stx[i][2]))

execute_all()

for i in seg[seg[0]: seg[0] + q]:
    if(i == inf):
        print(-1)
    else:
        print(i)


Fixed submission:
import sys
input = sys.stdin.readline

n,q = map(int, input().split())
# stx = [tuple(map(int, input().split())) for _ in range(n)]
stx = [0]*n
for i in range(n):
    stx[i] = tuple(map(int, input().split()))
# d = [int(input()) for _ in range(q)]
d = [0]*q
for i in range(q):
    d[i] = int(input())

#これはセグ木 * bisect
import bisect
inf = 10**9 + 100

# 定数倍高速化
b_left = bisect.bisect_left
b_right = bisect.bisect_right

def init(n,init_num=0):
    num = len(str(bin(n-1))) + 1
    seg = [init_num] * (2**num)
    # seg[0] = 2**(num-1)
    seg0 = 2**(num-1)
    return(seg,seg0)

def update(head, tail, x):
    # print('{} {} {}'.format(head, tail, x))
    head += seg0
    tail += seg0
    points = []
    while(head <= tail):
        if(head == tail):
            points.append(head)
            break

        if(head % 2 ==1):
            points.append(head)
            head += 1
        head = head//2

        if(tail % 2 == 0):
            points.append(tail)
            tail -= 1
        tail = (tail-1)//2

    for point in points:
        seg[point] = min(seg[point], x)

def execute_all():
    for i in range(2,len(seg)):
        seg[i] = min(seg[i], seg[i//2])


seg,seg0 = init(q, init_num = inf)

for i in range(n):
    left = b_left(d, stx[i][0] -stx[i][2])
    right = b_right(d, stx[i][1] - stx[i][2] -1) -1
    update(left, right, stx[i][2])
    # print('{} {} {}'.format(left, right, stx[i][2]))

execute_all()

for i in seg[seg0: seg0 + q]:
    if(i == inf):
        print(-1)
    else:
        print(i)

Buggy python submission (verdict: Time Limit Exceeded):
n,q = map(int, input().split())
stx = [tuple(map(int, input().split())) for _ in range(n)]
d = [int(input()) for _ in range(q)]

#これはセグ木 * bisect
import bisect
inf = 10**9 + 100

def init(n,init_num=0):
    num = len(str(bin(n-1))) + 1
    seg = [init_num] * (2**num)
    seg[0] = 2**(num-1)
    return(seg)

def update(head, tail, x):
    # print('{} {} {}'.format(head, tail, x))
    head += seg[0]
    tail += seg[0]
    points = []
    while(head <= tail):
        if(head == tail):
            points.append(head)
            break

        if(head % 2 ==1):
            points.append(head)
            head += 1
        head = head//2

        if(tail % 2 == 0):
            points.append(tail)
            tail -= 1
        tail = (tail-1)//2

    for point in points:
        seg[point] = min(seg[point], x)

def execute(p):
    p += seg[0]
    tmp = seg[p]
    while(p > 0):
        p = p//2
        tmp = min(tmp, sep[p])
    return(tmp)

def execute_all():
    for i in range(2,len(seg)):
        seg[i] = min(seg[i], seg[i//2])


seg = init(q, init_num = inf)

for i in range(n):
    left = bisect.bisect_left(d, stx[i][0] -stx[i][2])
    right = bisect.bisect_right(d, stx[i][1] - stx[i][2] -1) -1
    update(left, right, stx[i][2])
    # print('{} {} {}'.format(left, right, stx[i][2]))

execute_all()

for i in seg[seg[0]: seg[0] + q]:
    if(i == inf):
        print(-1)
    else:
        print(i)

Fixed submission:
import sys
input = sys.stdin.readline

n,q = map(int, input().split())
# stx = [tuple(map(int, input().split())) for _ in range(n)]
stx = [0]*n
for i in range(n):
    stx[i] = tuple(map(int, input().split()))
# d = [int(input()) for _ in range(q)]
d = [0]*q
for i in range(q):
    d[i] = int(input())

#これはセグ木 * bisect
import bisect
inf = 10**9 + 100

# 定数倍高速化
b_left = bisect.bisect_left
b_right = bisect.bisect_right

def init(n,init_num=0):
    num = len(str(bin(n-1))) + 1
    seg = [init_num] * (2**num)
    # seg[0] = 2**(num-1)
    seg0 = 2**(num-1)
    return(seg,seg0)

def update(head, tail, x):
    # print('{} {} {}'.format(head, tail, x))
    head += seg0
    tail += seg0
    points = []
    while(head <= tail):
        if(head == tail):
            points.append(head)
            break

        if(head % 2 ==1):
            points.append(head)
            head += 1
        head = head//2

        if(tail % 2 == 0):
            points.append(tail)
            tail -= 1
        tail = (tail-1)//2

    for point in points:
        seg[point] = min(seg[point], x)

def execute_all():
    for i in range(2,len(seg)):
        seg[i] = min(seg[i], seg[i//2])


seg,seg0 = init(q, init_num = inf)

for i in range(n):
    left = b_left(d, stx[i][0] -stx[i][2])
    right = b_right(d, stx[i][1] - stx[i][2] -1) -1
    update(left, right, stx[i][2])
    # print('{} {} {}'.format(left, right, stx[i][2]))

execute_all()

for i in seg[seg0: seg0 + q]:
    if(i == inf):
        print(-1)
    else:
        print(i)