Buggy python submission (verdict: Time Limit Exceeded):
# AOTコンパイルテスト
import sys
import numpy as np
from collections import defaultdict
def input(): return sys.stdin.readline().rstrip()

def solve(dp,item):
    dptmp1 = np.copy(dp)
    dptmp2 = np.copy(dp)
    dptmp3 = np.copy(dp)
    for i in range(len(item)):
        dptmp3[item[i][0]:] = np.fmax(dptmp3[item[i][0]:], dptmp2[item[i][0]]+item[i][1])
        dptmp2[item[i][0]:] = np.fmax(dptmp2[item[i][0]:], dptmp1[item[i][0]]+item[i][1])
        dptmp1[item[i][0]:] = np.fmax(dptmp1[item[i][0]:], dp[item[i][0]]+item[i][1])
    return dptmp3


if sys.argv[-1] == 'ONLINE_JUDGE':
    from numba.pycc import CC
 
    cc = CC('my_module')
    cc.export('solve', 'i8[:](i8[:],i8[:,:])')(solve)
    cc.compile()
    exit()

def main():
    R, C, K = map(int, input().split())
    items = defaultdict(list)
    for _ in range(K):
        r, c, v = map(int, input().split())
        items[r-1].append([c-1, v])
    dp = np.zeros(C, dtype=int)
    for RR in range(R):
        if items[RR]==[]:
          continue
        items[RR].sort(key=lambda x: x[0])
        dp=solve(dp,np.array(items[RR],dtype=int))
    print(dp[-1])

main()

Fixed submission:
import sys
import numpy as np
from collections import defaultdict
from numba import njit
def input(): return sys.stdin.readline().rstrip()

@njit
def koushin(dp,item):
    dptmp1 = np.copy(dp)
    dptmp2 = np.copy(dp)
    dptmp3 = np.copy(dp)
    for i in range(len(item)):
        dptmp3[item[i][0]:] = np.fmax(dptmp3[item[i][0]:], dptmp2[item[i][0]]+item[i][1])
        dptmp2[item[i][0]:] = np.fmax(dptmp2[item[i][0]:], dptmp1[item[i][0]]+item[i][1])
        dptmp1[item[i][0]:] = np.fmax(dptmp1[item[i][0]:], dp[item[i][0]]+item[i][1])
    return dptmp3

def main():
    R, C, K = map(int, input().split())
    items = defaultdict(list)
    for _ in range(K):
        r, c, v = map(int, input().split())
        items[r-1].append([c-1, v])
    dp = np.zeros(C, dtype=int)
    for RR in range(R):
        if items[RR]==[]:
          continue
        items[RR].sort(key=lambda x: x[0])
        dp=koushin(dp,np.array(items[RR],dtype=int))
    print(dp[-1])


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
# AOTコンパイルテスト
import sys
import numpy as np
from collections import defaultdict
def input(): return sys.stdin.readline().rstrip()

def solve(dp,item):
    dptmp1 = np.copy(dp)
    dptmp2 = np.copy(dp)
    dptmp3 = np.copy(dp)
    for i in range(len(item)):
        dptmp3[item[i][0]:] = np.fmax(dptmp3[item[i][0]:], dptmp2[item[i][0]]+item[i][1])
        dptmp2[item[i][0]:] = np.fmax(dptmp2[item[i][0]:], dptmp1[item[i][0]]+item[i][1])
        dptmp1[item[i][0]:] = np.fmax(dptmp1[item[i][0]:], dp[item[i][0]]+item[i][1])
    return dptmp3


if sys.argv[-1] == 'ONLINE_JUDGE':
    from numba.pycc import CC
 
    cc = CC('my_module')
    cc.export('solve', '(i8[:],i8[:,:])')(solve)
    cc.compile()
    exit()

R, C, K = map(int, input().split())
items = defaultdict(list)
for _ in range(K):
    r, c, v = map(int, input().split())
    items[r-1].append([c-1, v])
dp = np.zeros(C, dtype='int64')
for RR in range(R):
    if items[RR]==[]:
        continue
    items[RR].sort(key=lambda x: x[0])
    dp=solve(dp,np.array(items[RR],dtype='int64'))
print(dp[-1])

Fixed submission:
import sys
import numpy as np
from collections import defaultdict
from numba import njit
def input(): return sys.stdin.readline().rstrip()

@njit
def koushin(dp,item):
    dptmp1 = np.copy(dp)
    dptmp2 = np.copy(dp)
    dptmp3 = np.copy(dp)
    for i in range(len(item)):
        dptmp3[item[i][0]:] = np.fmax(dptmp3[item[i][0]:], dptmp2[item[i][0]]+item[i][1])
        dptmp2[item[i][0]:] = np.fmax(dptmp2[item[i][0]:], dptmp1[item[i][0]]+item[i][1])
        dptmp1[item[i][0]:] = np.fmax(dptmp1[item[i][0]:], dp[item[i][0]]+item[i][1])
    return dptmp3

def main():
    R, C, K = map(int, input().split())
    items = defaultdict(list)
    for _ in range(K):
        r, c, v = map(int, input().split())
        items[r-1].append([c-1, v])
    dp = np.zeros(C, dtype=int)
    for RR in range(R):
        if items[RR]==[]:
          continue
        items[RR].sort(key=lambda x: x[0])
        dp=koushin(dp,np.array(items[RR],dtype=int))
    print(dp[-1])


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
import sys
import numpy as np
from collections import defaultdict
from numba import njit
def input(): return sys.stdin.readline().rstrip()

@njit
def koushin(dp,item):
    dptmp1 = np.copy(dp)
    dptmp2 = np.copy(dp)
    dptmp3 = np.copy(dp)
    for i in range(len(item)):
        dptmp3[item[i][0]:] = np.fmax(dptmp3[item[i][0]:], dptmp2[item[i][0]]+item[i][1])
        dptmp2[item[i][0]:] = np.fmax(dptmp2[item[i][0]:], dptmp1[item[i][0]]+item[i][1])
        dptmp1[item[i][0]:] = np.fmax(dptmp1[item[i][0]:], dp[item[i][0]]+item[i][1])
    return dptmp3

def main():
    R, C, K = map(int, input().split())
    items = defaultdict(list)
    for _ in range(K):
        r, c, v = map(int, input().split())
        items[r-1].append([c-1, v])
    dp = np.zeros(C, dtype=int)
    for RR in range(R):
        items[RR].sort(key=lambda x: x[0])
        dp=koushin(dp,np.array(items[RR],dtype=int))
    print(dp[-1])


if __name__ == '__main__':
    main()

Fixed submission:
import sys
import numpy as np
from collections import defaultdict
from numba import njit
def input(): return sys.stdin.readline().rstrip()

@njit
def koushin(dp,item):
    dptmp1 = np.copy(dp)
    dptmp2 = np.copy(dp)
    dptmp3 = np.copy(dp)
    for i in range(len(item)):
        dptmp3[item[i][0]:] = np.fmax(dptmp3[item[i][0]:], dptmp2[item[i][0]]+item[i][1])
        dptmp2[item[i][0]:] = np.fmax(dptmp2[item[i][0]:], dptmp1[item[i][0]]+item[i][1])
        dptmp1[item[i][0]:] = np.fmax(dptmp1[item[i][0]:], dp[item[i][0]]+item[i][1])
    return dptmp3

def main():
    R, C, K = map(int, input().split())
    items = defaultdict(list)
    for _ in range(K):
        r, c, v = map(int, input().split())
        items[r-1].append([c-1, v])
    dp = np.zeros(C, dtype=int)
    for RR in range(R):
        if items[RR]==[]:
          continue
        items[RR].sort(key=lambda x: x[0])
        dp=koushin(dp,np.array(items[RR],dtype=int))
    print(dp[-1])


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
import numpy as np
from copy import deepcopy
from collections import defaultdict
def input(): return sys.stdin.readline().rstrip()


def main():
    R, C, K = map(int, input().split())
    items = defaultdict(list)
    for _ in range(K):
        r, c, v = map(int, input().split())
        items[r-1].append([c-1, v])
    dp = np.zeros(C,dtype=int)
    for RR in range(R):
        dptmp1 = deepcopy(dp)
        dptmp2 = deepcopy(dp)
        dptmp3 = deepcopy(dp)
        items[RR].sort(key=lambda x:x[0])
        for item in items[RR]:
            dptmp3[item[0]:] = np.clip(
                dptmp3[item[0]:], dptmp2[item[0]]+item[1], None)
            dptmp2[item[0]:] = np.clip(
                dptmp2[item[0]:], dptmp1[item[0]]+item[1], None)
            dptmp1[item[0]:] = np.clip(
                dptmp1[item[0]:], dp[item[0]]+item[1], None)
        dp=deepcopy(dptmp3)
    print(dp[-1])
            



if __name__ == '__main__':
    main()
  

Fixed submission:
import sys
import numpy as np
from collections import defaultdict
from numba import njit
def input(): return sys.stdin.readline().rstrip()

@njit
def koushin(dp,item):
    dptmp1 = np.copy(dp)
    dptmp2 = np.copy(dp)
    dptmp3 = np.copy(dp)
    for i in range(len(item)):
        dptmp3[item[i][0]:] = np.fmax(dptmp3[item[i][0]:], dptmp2[item[i][0]]+item[i][1])
        dptmp2[item[i][0]:] = np.fmax(dptmp2[item[i][0]:], dptmp1[item[i][0]]+item[i][1])
        dptmp1[item[i][0]:] = np.fmax(dptmp1[item[i][0]:], dp[item[i][0]]+item[i][1])
    return dptmp3

def main():
    R, C, K = map(int, input().split())
    items = defaultdict(list)
    for _ in range(K):
        r, c, v = map(int, input().split())
        items[r-1].append([c-1, v])
    dp = np.zeros(C, dtype=int)
    for RR in range(R):
        if items[RR]==[]:
          continue
        items[RR].sort(key=lambda x: x[0])
        dp=koushin(dp,np.array(items[RR],dtype=int))
    print(dp[-1])


if __name__ == '__main__':
    main()