Buggy python submission (verdict: Time Limit Exceeded):
def f():
    import sys
    input=sys.stdin.readline
    n=int(input())
    a=[int(j) for j in input().split()]
    #import numpy as np
    #dp=np.zeros((n,n,2),dtype=np.int64)
    dp=[[[0,0]for j in range(n)] for i in range(n)]

    for i in range(1,1+n):
        for j in range(n-i+1):
            #j~j+i-1
            if i==1:
                dp[j][j][1]=a[j]
                continue
            tmp=10**18
            for k in range(i-1):
                #j~j+k,j+k+1~j+i-1
                if sum(dp[j][j+k])+sum(dp[j+k+1][j+i-1])<tmp:
                    tmp=sum(dp[j][j+k])+sum(dp[j+k+1][j+i-1])
                    dp[j][j+i-1][0]=tmp
                    dp[j][j+i-1][1]=dp[j][j+k][1]+dp[j+k+1][j+i-1][1]
    print(dp[0][n-1][0])

f()

Fixed submission:
def f():
    import sys
    import numpy as np
    input=sys.stdin.readline
    n=int(input())
    a=np.array([0]+[int(j) for j in input().split()])
    np.cumsum(a,out=a)
    dp=np.zeros((n,n+1),np.int64)

    for i in range(1,n):
        l=np.arange(n-i)
        r=np.arange(i+1,n+1)
        m=(np.arange(1,i+1)+l[:,np.newaxis]).T
        dp[l,r]=np.amin(dp[l,m]+dp[m,r],0)+a[r]-a[l]
    print(dp[0][n])
f()

Buggy python submission (verdict: Runtime Error):
def f():
    import sys
    input=sys.stdin.readline
    n=int(input())
    a=[int(j) for j in input().split()]
    import numpy as np
    #dp=np.zeros((n,n,2),dtype=np.int64)
    dp=[[[0,0]for j in range(n)] for i in range(n)]

    for i in range(1,1+n):
        for j in range(n-i+1):
            #j~j+i-1
            if i==1:
                dp[j][j][1]=a[j]
                continue
            tmp=10**18
            for k in range(i-1):
                #j~j+k,j+k+1~j+i-1
                if sum(dp[j][j+k])+sum(dp[j+k+1][j+i-1])<tmp:
                    tmp=sum(dp[j][j+k])+sum(dp[j+k+1][j+i-1])
                    dp[j][j+i-1][0]=tmp
                    dp[j][j+i-1][1]=dp[j][j+k][1]+dp[j+k+1][j+i-1][1]
    print(dp[0][n-1][0])

f()

Fixed submission:
def f():
    import sys
    import numpy as np
    input=sys.stdin.readline
    n=int(input())
    a=np.array([0]+[int(j) for j in input().split()])
    np.cumsum(a,out=a)
    dp=np.zeros((n,n+1),np.int64)

    for i in range(1,n):
        l=np.arange(n-i)
        r=np.arange(i+1,n+1)
        m=(np.arange(1,i+1)+l[:,np.newaxis]).T
        dp[l,r]=np.amin(dp[l,m]+dp[m,r],0)+a[r]-a[l]
    print(dp[0][n])
f()

Buggy python submission (verdict: Time Limit Exceeded):
def f():
    import sys
    input=sys.stdin.readline
    n=int(input())
    a=[int(j) for j in input().split()]
    import numpy as np
    #dp=np.zeros((n,n,2),dtype=np.int64)
    dp=[[[0,0]for j in range(n)] for i in range(n)]

    for i in range(1,1+n):
        for j in range(n-i+1):
            #j~j+i-1
            if i==1:
                dp[j][j][1]=a[j]
                continue
            tmp=10**18
            for k in range(i-1):
                #j~j+k,j+k+1~j+i-1
                if sum(dp[j][j+k])+sum(dp[j+k+1][j+i-1])<tmp:
                    tmp=sum(dp[j][j+k])+sum(dp[j+k+1][j+i-1])
                    dp[j][j+i-1][0]=tmp
                    dp[j][j+i-1][1]=dp[j][j+k][1]+dp[j+k+1][j+i-1][1]
    print(dp[0][n-1][0])

f()

Fixed submission:
def f():
    import sys
    import numpy as np
    input=sys.stdin.readline
    n=int(input())
    a=np.array([0]+[int(j) for j in input().split()])
    np.cumsum(a,out=a)
    dp=np.zeros((n,n+1),np.int64)

    for i in range(1,n):
        l=np.arange(n-i)
        r=np.arange(i+1,n+1)
        m=(np.arange(1,i+1)+l[:,np.newaxis]).T
        dp[l,r]=np.amin(dp[l,m]+dp[m,r],0)+a[r]-a[l]
    print(dp[0][n])
f()

Buggy python submission (verdict: Time Limit Exceeded):
def f():
    import sys
    input=sys.stdin.readline
    n=int(input())
    a=[int(j) for j in input().split()]
    import numpy as np
    dp=np.zeros((n,n,2),dtype=np.int64)

    for i in range(1,1+n):
        for j in range(n-i+1):
            #j~j+i-1
            if i==1:
                dp[j][j][1]=a[j]
                continue
            tmp=10**18
            for k in range(i-1):
                #j~j+k,j+k+1~j+i-1
                if dp[j][j+k].sum()+dp[j+k+1][j+i-1].sum()<tmp:
                    tmp=dp[j][j+k].sum()+dp[j+k+1][j+i-1].sum()
                    dp[j][j+i-1][0]=tmp
                    dp[j][j+i-1][1]=dp[j][j+k][1]+dp[j+k+1][j+i-1][1]
    print(dp[0][n-1][0])

f()

Fixed submission:
def f():
    import sys
    import numpy as np
    input=sys.stdin.readline
    n=int(input())
    a=np.array([0]+[int(j) for j in input().split()])
    np.cumsum(a,out=a)
    dp=np.zeros((n,n+1),np.int64)

    for i in range(1,n):
        l=np.arange(n-i)
        r=np.arange(i+1,n+1)
        m=(np.arange(1,i+1)+l[:,np.newaxis]).T
        dp[l,r]=np.amin(dp[l,m]+dp[m,r],0)+a[r]-a[l]
    print(dp[0][n])
f()