Buggy python submission (verdict: Time Limit Exceeded):
import bisect
#input
n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0 #最終的な三角形の個数

for i in range(n-2): #リストから三角形が作れなくなるまでループ
	o = list1[i] #1辺を確定、そのままリストから消去
	for j in range(i+1,n-1): #残りの二辺のループ(iで使っている次の値から)
		p = list1[j] #２辺目を確定

		b = o+p -1 #昇順にソートしてあるので、c<a+b条件のみ計算

		d = bisect.bisect_right(list1[j+1:],b) #３辺目を確定
		
		cout += d

print(cout)

Fixed submission:
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	for j in range(n-i-1):
		p = list1[j]

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		d = bisect.bisect_right(list1[j+1:],b)
		
		cout += d

print(cout)

Buggy python submission (verdict: Time Limit Exceeded):
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	list1_c = copy.deepcopy(list1) #ここでjのためのdeepcopyを更新
	for j in range(n-i-1):
		p = list1_c.pop(0)

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		d = bisect.bisect_right(list1_c,b)
		
		cout += d

print(cout)

Fixed submission:
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	for j in range(n-i-1):
		p = list1[j]

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		d = bisect.bisect_right(list1[j+1:],b)
		
		cout += d

print(cout)

Buggy python submission (verdict: Time Limit Exceeded):
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	list1_c = copy.deepcopy(list1) #ここでjのためのdeepcopyを更新
	for j in range(len(list1)):
		p = list1_c.pop(0)

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		#c = bisect.bisect_left(list1_c,a)
		d = bisect.bisect_right(list1_c,b)

		if d>=1:
			cout += d

print(cout)

Fixed submission:
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	for j in range(n-i-1):
		p = list1[j]

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		d = bisect.bisect_right(list1[j+1:],b)
		
		cout += d

print(cout)

Buggy python submission (verdict: Time Limit Exceeded):
import math
import bisect
import copy

n = int(input())

list1 = list(map(int,input().split()))
list1.sort()
cout = 0
m,k = 0,0
for i in range(n-2):
	o = list1.pop(0)
	list1_c = copy.deepcopy(list1) #ここでjのためのdeepcopyを更新
	for j in range(len(list1)):
		p = list1_c.pop(0)

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		c = bisect.bisect_left(list1_c,a)
		d = bisect.bisect_right(list1_c,b)

		if c < d:
			cout += d-c

print(cout)

Fixed submission:
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	for j in range(n-i-1):
		p = list1[j]

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		d = bisect.bisect_right(list1[j+1:],b)
		
		cout += d

print(cout)

Buggy python submission (verdict: Time Limit Exceeded):
import math
import bisect
import copy

n = int(input())

list1 = list(map(int,input().split()))
list1.sort()
cout = 0
m,k = 0,0
while True:
	if m >= n-2:
		break
	o = list1.pop(0)
	list1_c = copy.deepcopy(list1) #ここでjのためのdeepcopyを更新
	while True:
		if k >= len(list1)-1:
			break
		p = list1_c.pop(0)

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		c = bisect.bisect_left(list1_c,a)
		d = bisect.bisect_right(list1_c,b)

		if c < d:
			cout += d-c
		k+=1

	k = 0
	m += 1

print(cout)

Fixed submission:
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	for j in range(n-i-1):
		p = list1[j]

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		d = bisect.bisect_right(list1[j+1:],b)
		
		cout += d

print(cout)

Buggy python submission (verdict: Time Limit Exceeded):
import math
import bisect
import copy
#int型として読み込む
n = int(input())


#同じくint型でリスト化する
list1 = list(map(int,input().split()))
list1.sort()
cout = 0
m,k = 0,0
while True:
	if m == n-2:
		break
	o = list1.pop(0)
	list1_c = copy.deepcopy(list1) #ここでjのためのdeepcopyを更新
	while True:
		if k == len(list1):
			break
		p = list1_c.pop(0)

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		c = bisect.bisect_left(list1_c,a)
		d = bisect.bisect_right(list1_c,b)

		if c < d:
			cout += d-c
		k+=1

		
		#list1.insert(j,p)
	#list1.insert(i,o)
	k = 0
	m += 1

print(cout)

Fixed submission:
import bisect
import copy

n = int(input())
list1 = list(map(int,input().split()))
list1.sort()

cout = 0
m,k = 0,0

for i in range(n-2):
	o = list1.pop(0)
	for j in range(n-i-1):
		p = list1[j]

		a = abs(o-p) +1
		b = o+p -1 #<= ではなく<条件に揃える

		d = bisect.bisect_right(list1[j+1:],b)
		
		cout += d

print(cout)