Buggy python submission (verdict: Runtime Error):
rom bisect import bisect_left
from itertools import combinations

n = int(input())
l = sorted(map(int, input().split()))
ans = 0

for (i1, a), (i2, b) in combinations(enumerate(l[:-1]), 2):
    i3s = i2 + 1
    i3e = bisect_left(l, a + b, i3s)
    ans += i3e - i3s

print(ans)

Fixed submission:
from bisect import bisect_left, bisect_right

n = int(input())
l = sorted(map(int, input().split()))
ans = 0
for i1 in range(n - 2):
    for i2 in range(i1 + 1, n - 1):
        a = l[i1]
        b = l[i2]
        i3s = max(bisect_right(l, b - a), i2 + 1)
        i3e = bisect_left(l, a + b)
        ans += i3e - i3s
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from bisect import bisect_left, bisect_right
from itertools import combinations

n = int(input())
l = sorted(map(int, input().split()))
ans = 0

for (i1, a), (i2, b) in combinations(enumerate(l[:-1]), 2):
    i3s = bisect_right(l, b - a, i2 + 1)
    i3e = bisect_left(l, a + b, i3s)
    ans += i3e - i3s

print(ans)


Fixed submission:
from bisect import bisect_left, bisect_right

n = int(input())
l = sorted(map(int, input().split()))
ans = 0
for i1 in range(n - 2):
    for i2 in range(i1 + 1, n - 1):
        a = l[i1]
        b = l[i2]
        i3s = max(bisect_right(l, b - a), i2 + 1)
        i3e = bisect_left(l, a + b)
        ans += i3e - i3s
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from bisect import bisect_left, bisect_right
from itertools import combinations

n = int(input())
l = sorted(map(int, input().split()))
ans = 0

for l1, l2 in combinations(enumerate(l[:-1]), 2):
    (i1, a), (i2, b) = l1, l2
    i3s = bisect_right(l, b - a, i2 + 1)
    i3e = bisect_left(l, a + b, i3s)
    ans += i3e - i3s

print(ans)


Fixed submission:
from bisect import bisect_left, bisect_right

n = int(input())
l = sorted(map(int, input().split()))
ans = 0
for i1 in range(n - 2):
    for i2 in range(i1 + 1, n - 1):
        a = l[i1]
        b = l[i2]
        i3s = max(bisect_right(l, b - a), i2 + 1)
        i3e = bisect_left(l, a + b)
        ans += i3e - i3s
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from bisect import bisect_left, bisect_right

n = int(input())
l = sorted(map(int, input().split()))
ans = 0
for i1 in range(n - 2):
    for i2 in range(i1 + 1, n - 1):
        a = l[i1]
        b = l[i2]
        i3s = bisect_right(l, b - a, i2 + 1)
        i3e = bisect_left(l, a + b, i3s)
        ans += i3e - i3s
print(ans)


Fixed submission:
from bisect import bisect_left, bisect_right

n = int(input())
l = sorted(map(int, input().split()))
ans = 0
for i1 in range(n - 2):
    for i2 in range(i1 + 1, n - 1):
        a = l[i1]
        b = l[i2]
        i3s = max(bisect_right(l, b - a), i2 + 1)
        i3e = bisect_left(l, a + b)
        ans += i3e - i3s
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from bisect import bisect_left, bisect_right

n = int(input())
l = sorted(map(int, input().split()))
ans = 0
for i1 in range(n - 2):
    for i2 in range(i1 + 1, n - 1):
        a = l[i1]
        b = l[i2]
        i3s = max(bisect_right(l, b - a), i2 + 1)
        i3e = bisect_left(l, a + b)
        ans += i3e - i3s
print(ans)


Fixed submission:
from bisect import bisect_left, bisect_right

n = int(input())
l = sorted(map(int, input().split()))
ans = 0
for i1 in range(n - 2):
    for i2 in range(i1 + 1, n - 1):
        a = l[i1]
        b = l[i2]
        i3s = max(bisect_right(l, b - a), i2 + 1)
        i3e = bisect_left(l, a + b)
        ans += i3e - i3s
print(ans)