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

def main():
    n = int(input())
    s = list(map(int,input().split()))
    ans=0
    point=-1
    for i in range(n-1):
        mark=0
        if i > point and i + ans < n:
            for j in range(n-i-1):
                if s[i+j]>=s[i+j+1]:
                    mark+=1
                    if mark>=ans:
                        ans=mark
                        point=i+j+1
                else:
                    break
    print(ans)
main()

Fixed submission:
def main():
    n = int(input())
    s = list(map(int,input().split()))
    ans=0
    point=-1
    for i in range(n-1):
        mark=0
        if i > point and i + ans < n:
            for j in range(n-i-1):
                if s[i+j]>=s[i+j+1]:
                    mark+=1
                    if mark>=ans:
                        ans=mark
                else:
                    if mark>=ans:
                        ans=mark
                        point=i+j
                    break
    print(ans)
main()

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = list(map(int,input().split()))
ans=0
point=-1
for i in range(n-1):
    mark=0
    if i > point:
        for j in range(n-i-1):
            if s[i+j]>=s[i+j+1]:
                mark+=1
                if mark>=ans:
                    ans=mark
                    point=i+j+1
            else:
                break
print(ans)

Fixed submission:
def main():
    n = int(input())
    s = list(map(int,input().split()))
    ans=0
    point=-1
    for i in range(n-1):
        mark=0
        if i > point and i + ans < n:
            for j in range(n-i-1):
                if s[i+j]>=s[i+j+1]:
                    mark+=1
                    if mark>=ans:
                        ans=mark
                else:
                    if mark>=ans:
                        ans=mark
                        point=i+j
                    break
    print(ans)
main()

Buggy python submission (verdict: Runtime Error):
n = int(input())
s = list(map(int,input().split()))
ans=[0 for _ in range(n-1)]
for i in range(n-1):
    j=0
    if(ans[i]==0):
        while(i+j<n-1):
            if(s[i+j]>=s[i+j+1]):
                for k in range(j+1):
                    ans[i+k]+=1
                j+=1
            else:
                break
print(max(ans))

Fixed submission:
def main():
    n = int(input())
    s = list(map(int,input().split()))
    ans=0
    point=-1
    for i in range(n-1):
        mark=0
        if i > point and i + ans < n:
            for j in range(n-i-1):
                if s[i+j]>=s[i+j+1]:
                    mark+=1
                    if mark>=ans:
                        ans=mark
                else:
                    if mark>=ans:
                        ans=mark
                        point=i+j
                    break
    print(ans)
main()

Buggy python submission (verdict: Runtime Error):
n = int(input())
s = list(map(int,input().split()))
ans=[0 for _ in range(n-1)]
for i in range(n-1):
    j=i
    while(j<n-1):
        if(s[j]>=s[j+1]):
            ans[i]+=1
            j+=1
        else:
            break
        
print(max(ans))

Fixed submission:
def main():
    n = int(input())
    s = list(map(int,input().split()))
    ans=0
    point=-1
    for i in range(n-1):
        mark=0
        if i > point and i + ans < n:
            for j in range(n-i-1):
                if s[i+j]>=s[i+j+1]:
                    mark+=1
                    if mark>=ans:
                        ans=mark
                else:
                    if mark>=ans:
                        ans=mark
                        point=i+j
                    break
    print(ans)
main()