Buggy python submission (verdict: Runtime Error):
n,k = map(int, input().split( ))
if n==k:
    print(0)
    exit()
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n+1)] #dp[i][j]右端がi、j+1本残す
mn = h[0]
for i in range(n):
    #mn = min(mn,h[i])
    dp[i][0] = h[i]#min(mn,h[i])

for i in range(1,n):##右端
    for j in range(i+1):#本数
        for t in range(j-1,i):#右から2番目,
            dp[i][j] = min(dp[i][j], dp[t][j-1] + max(h[i]-h[t], 0))

ans = inf 

for i in range(n):
    ans = min(ans, min(dp[i][n-k-1:]))###
print(ans)


Fixed submission:
n,k = map(int, input().split( ))
if n==k:
    print(0)
    exit()
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n+1)] #dp[i][j]右端がi、j+1本残す
mn = h[0]
for i in range(n):
    #mn = min(mn,h[i])
    dp[i][0] = h[i]#min(mn,h[i])

for i in range(1,n):##右端
    for j in range(i+1):#本数
        for t in range(j-1,i):#右から2番目,
            dp[i][j] = min(dp[i][j], dp[t][j-1] + max(h[i]-h[t], 0))

ans = inf 

for i in range(n):
    ans = min(ans, min(dp[i][n-k-1:]))###
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n,k = map(int, input().split( ))
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n+1)] #dp[i][j]右端がi、j+1本残す
mn = h[0]
for i in range(n):
    mn = min(mn,h[i])
    dp[i][0] = min(mn,h[i])

for i in range(n):##右端
    for j in range(i+1):#本数
        for t in range(i):#右から2番目,
            dp[i][j] = min(dp[i][j], dp[t][j-1] + max(h[i]-h[t], 0))

ans = inf 

for i in range(n):
    ans = min(ans, dp[i][n-k-1])
print(ans)


Fixed submission:
n,k = map(int, input().split( ))
if n==k:
    print(0)
    exit()
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n+1)] #dp[i][j]右端がi、j+1本残す
mn = h[0]
for i in range(n):
    #mn = min(mn,h[i])
    dp[i][0] = h[i]#min(mn,h[i])

for i in range(1,n):##右端
    for j in range(i+1):#本数
        for t in range(j-1,i):#右から2番目,
            dp[i][j] = min(dp[i][j], dp[t][j-1] + max(h[i]-h[t], 0))

ans = inf 

for i in range(n):
    ans = min(ans, min(dp[i][n-k-1:]))###
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n,k = map(int, input().split( ))
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n+1)] #dp[i][j]右端がi、j+1本残す
mn = h[0]
for i in range(n):
    mn = min(mn,h[i])
    dp[i][0] = min(mn,h[i])

for i in range(n):##右端
    for j in range(i+1):#本数+1
        for t in range(i):#右から2番目,+1
            dp[i][j] = min(dp[i][j], dp[t][j-1] + max(h[i]-h[t], 0))

ans = inf 

for i in range(n):
    ans = min(ans, min(dp[i][n-k-1:]))
print(ans)


Fixed submission:
n,k = map(int, input().split( ))
if n==k:
    print(0)
    exit()
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n+1)] #dp[i][j]右端がi、j+1本残す
mn = h[0]
for i in range(n):
    #mn = min(mn,h[i])
    dp[i][0] = h[i]#min(mn,h[i])

for i in range(1,n):##右端
    for j in range(i+1):#本数
        for t in range(j-1,i):#右から2番目,
            dp[i][j] = min(dp[i][j], dp[t][j-1] + max(h[i]-h[t], 0))

ans = inf 

for i in range(n):
    ans = min(ans, min(dp[i][n-k-1:]))###
print(ans)

Buggy python submission (verdict: Runtime Error):
n,k = map(int, input().split( ))
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n)] #dp[i][j]右端がi、j本残す
mn = h[0]
for i in range(n):
    mn = min(mn,h[i])
    dp[i][0] = min(mn,h[i])

for i in range(n):##右端
    for j in range(i+1):#本数
        for t in range(i):#右から2番目
            dp[i][j] = min(dp[i][j],dp[t][j-1] +max(h[i]-h[t], 0))

###print(dp[n-1][n-k-1])これでは意味が無い
ans = inf 

for i in range(n):
    ans = min(ans, dp[i][n-k-1])
print(ans)
n,k = map(int, input().split( ))
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n)] #dp[i][j]右端がi、j本残す
mn = h[0]
for i in range(n):
    mn = min(mn,h[i])
    dp[i][0] = min(mn,h[i])

for i in range(n):##右端
    for j in range(i+1):#本数
        for t in range(i):#右から2番目
            dp[i][j] = min(dp[i][j],dp[t][j-1] +max(h[i]-h[t], 0))

###print(dp[n-1][n-k-1])これでは意味が無い
ans = inf 

for i in range(n):
    ans = min(ans, dp[i][n-k-1])
print(ans)


Fixed submission:
n,k = map(int, input().split( ))
if n==k:
    print(0)
    exit()
h = list(map(int, input().split( )))
#h = [0]+h#h[0]=0追加
inf = 10**15

dp = [[inf]*n for _ in range(n+1)] #dp[i][j]右端がi、j+1本残す
mn = h[0]
for i in range(n):
    #mn = min(mn,h[i])
    dp[i][0] = h[i]#min(mn,h[i])

for i in range(1,n):##右端
    for j in range(i+1):#本数
        for t in range(j-1,i):#右から2番目,
            dp[i][j] = min(dp[i][j], dp[t][j-1] + max(h[i]-h[t], 0))

ans = inf 

for i in range(n):
    ans = min(ans, min(dp[i][n-k-1:]))###
print(ans)