Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    D=list()
    ans = 0
    cnt = 0
    for ind, i in enumerate(H[:-1]): #初めから最後から2番目の要素まで
        if i>=H[ind+1]:
            cnt += 1
            if ind == N-2:
                D.append(cnt)
        else:
            D.append(cnt)
            cnt = 0
    #print("D")
    #print(D)

    print(max(D))

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    D=list()
    g = 0
    for i in range(1, N):
        if H[i-1] >= H[i]:
            g += 1
            if i == N-1:
                D.append(g)
        else:
            D.append(g)
            g = 0
    #print("D")
    #print(D)

    print(max(D))

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Runtime Error):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    D=list()
    g = 0
    for i in range(1, N):
        if H[i-1] >= H[i]:
            g += 1
            if i == N-1:
                D.append(g)
        else:
            D.append(g)
            g = 0
#    print("D")
#    print(D)

    print(max(D))

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    D=list()
    for i in range(1, N):
        if H[i-1] >= H[i]:
            D.append(1)
        else:
            D.append(0)
    #print("D")
    #print(D)

    ans = 0
    a = 0
    D = tuple(D)
    for i in range(len(D)):
        a = 0
        for j in range(i, len(D)):            
            if D[j] == 1:
                a += 1
                if a > ans:
                    ans = a
            else:
                if a > ans:
                    ans = a
                break
            #print("i j")
            #print(str(i) +" "+str(j) +" "+str(ans))
    print(ans)

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    D=list()
    for i in range(1, N):
        if H[i-1] >= H[i]:
            D.append(1)
        else:
            D.append(0)
    #print("D")
    #print(D)

    ans = 0
    a = 0
    for i in range(len(D)):
        a = 0
        for j in range(i, len(D)):            
            if D[j] == 1:
                a += 1
                if a > ans:
                    ans = a
            else:
                if a > ans:
                    ans = a
                break
            #print("i j")
            #print(str(i) +" "+str(j) +" "+str(ans))
    print(ans)

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=tuple(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    ans = 0
    a = 0
    for i in range(N):
        a = 0
        if ans > N-i-1:
            break
        else:
            for j in range(N-i):
                if i+j == N-1:
                    if a > ans:
                        ans = a
                    break
                elif H[i+j] >= H[i+j+1]:
                    a += 1
                else:
                    if a > ans:
                        ans = a
                    break
    print(ans)

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    ans = 0
    a = 0
    for i in range(N):
        a = 0
        if ans > N-i-1:
            break
        else:
            for j in range(N-i):
                if i+j == N-1:
                    if a > ans:
                        ans = a
                    break
                elif H[i+j] >= H[i+j+1]:
                    a += 1
                else:
                    if a > ans:
                        ans = a
                    break
    print(ans)

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    ans = 0
    a = 0
    for i in range(N):
        a = 0
        if ans > N-i-1:
            break
        else:
            for j in range(N-i):
                if i+j == N-1:
                    if a > ans:
                        ans = a
                    break
                elif H[i+j] >= H[i+j+1]:
                    a += 1
                else:
                    if a > ans:
                        ans = a
                    break
    print(ans)

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
# -*- coding: utf-8 -*-

def main():
    N=int(input())  #数値入力 「N」だけの入力のとき
    H=list(map(int, input().split()))  #リスト入力 「a1 a2 a3 ...」みたいな配列のような入力のとき
    ans = 0
    a = 0
    for i in range(N):
        a = 0
        for j in range(N-i):
            if i+j == N-1:
                if a > ans:
                    ans = a
                break
            elif H[i+j] >= H[i+j+1]:
                a += 1
            else:
                if a > ans:
                    ans = a
                break
    print(ans)

if __name__ == '__main__':
    main()

Fixed submission:
N = int(input())
H = [int(x) for x in input().split()]
ans = 0
cnt = 0
for ind,i in enumerate(H[:-1]):
    if(i>=H[ind+1]):
        cnt += 1
    else:
        cnt = 0
    ans = max(ans,cnt)
print(ans)