Buggy python submission (verdict: Runtime Error):
import random

D=int(input())
c=list(map(int,input().split()))
s=[list(map(int,input().split())) for i in range(D)]

plus=0
minus=0
data=[[1 for i in range(D)] for j in range(26)]
ans=[0]*D
for i in range(D):
    t=(i+1)%D+1
    ans[i]=t
    plus+=s[i][t-1]
    if i!=0:
        for j in range(26):
            data[j][i]=data[j][i-1]+1
    data[t-1][i]=0
    minus+=sum(c[j]*data[j][i] for j in range(26))

eval=plus-minus
count=2000000
check=[]
while count:
    d=random.randint(2,D)
    q=random.randint(1,26)
    if ans[d-1]==q:
        continue
    if c[ans[d-1]-1]*data[ans[d-1]-1][d-2]>c[q-1]*data[q-1][d-2] or s[d-1][q-1]>s[d-1][ans[d-1]-1]:
        testplus=plus+s[d-1][q-1]-s[d-1][ans[d-1]-1]
        testminus=minus
        pre=ans[d-1]
        #print("pre",pre)

        day=0
        for j in range(d-1,D):
            if data[q-1][j]!=0:
                if j==d-1:
                    testminus+=day*c[q-1]-data[q-1][d-1]*c[q-1]
                else:
                    testminus+=(day+1-data[q-1][j])*c[q-1]
                    day+=1
            else:
                break

        day=0
        for j in range(d-1,D):
            if j==d-1:
                if j==0:
                    day=1
                    testminus+=c[pre-1]*day
                else:
                    day=1+data[pre-1][j-1]
                    testminus+=c[pre-1]*day
            elif data[pre-1][j]!=0:
                testminus+=(day+1-data[pre-1][j])*c[pre-1]
                day+=1
            else:
                break

        if testplus-testminus>eval:
            eval=testplus-testminus
            plus=testplus
            minus=testminus
            ans[d-1]=q
            for j in range(d-1,D):
                if data[q-1][j]!=0:
                    if j==d-1:
                        data[q-1][d-1]=0
                    else:
                        data[q-1][j]=data[q-1][j-1]+1
                else:
                    break

            for j in range(d-1,D):
                if j==d-1:
                    if j==0:
                        data[pre-1][j]=1
                    else:
                        data[pre-1][j]=1+data[pre-1][j-1]
                elif data[pre-1][j]!=0:
                    data[pre-1][j]=data[pre-1][j-1]+1
                else:
                    break
    else:
        continue

    count-=1
#print(eval)
for i in range(D):
    print(ans[i])


Fixed submission:
import random

D=int(input())
c=list(map(int,input().split()))
s=[list(map(int,input().split())) for i in range(D)]

ans=[random.randint(1,26) for i in range(D)]
res=0
for i in range(D):
    res+=s[i][ans[i]-1]

last=[0]*26
for i in range(D):
    last[ans[i]-1]=i+1
    minus=sum(c[j]*(i+1-last[j]) for j in range(26))
    res-=minus

for i in range(D):
    print(ans[i])

Buggy python submission (verdict: Runtime Error):
import random

D=int(input())
c=list(map(int,input().split()))
s=[list(map(int,input().split())) for i in range(D)]

plus=0
minus=0
data=[[1 for i in range(D)] for j in range(26)]
ans=[0]*D
for i in range(D):
    t=random.randint(1,26)
    ans[i]=t
    plus+=s[i][t-1]
    if i!=0:
        for j in range(26):
            data[j][i]=data[j][i-1]+1
    data[t-1][i]=0
    minus+=sum(c[j]*data[j][i] for j in range(26))

eval=plus-minus
count=600000
check=[]
while count:
    d=random.randint(1,D)
    q=random.randint(1,26)
    if ans[d-1]==q:
        continue
    if c[ans[d-1]-1]>c[q-1] or s[d-1][q-1]>s[s-1][ans[d-1]-1]:
        testplus=plus+s[d-1][q-1]-s[d-1][ans[d-1]-1]
        testminus=minus
        pre=ans[d-1]
        #print("pre",pre)

        day=0
        for j in range(d-1,D):
            if data[q-1][j]!=0:
                if j==d-1:
                    testminus+=day*c[q-1]-data[q-1][d-1]*c[q-1]
                else:
                    testminus+=(day+1-data[q-1][j])*c[q-1]
                    day+=1
            else:
                break

        day=0
        for j in range(d-1,D):
            if j==d-1:
                if j==0:
                    day=1
                    testminus+=c[pre-1]*day
                else:
                    day=1+data[pre-1][j-1]
                    testminus+=c[pre-1]*day
            elif data[pre-1][j]!=0:
                testminus+=(day+1-data[pre-1][j])*c[pre-1]
                day+=1
            else:
                break

        if testplus-testminus>eval:
            eval=testplus-testminus
            plus=testplus
            minus=testminus
            ans[d-1]=q
            for j in range(d-1,D):
                if data[q-1][j]!=0:
                    if j==d-1:
                        data[q-1][d-1]=0
                    else:
                        data[q-1][j]=data[q-1][j-1]+1
                else:
                    break

            for j in range(d-1,D):
                if j==d-1:
                    if j==0:
                        data[pre-1][j]=1
                    else:
                        data[pre-1][j]=1+data[pre-1][j-1]
                elif data[pre-1][j]!=0:
                    data[pre-1][j]=data[pre-1][j-1]+1
                else:
                    break
        elif random.randint(1,10**4)<=150:
            A=[eval]+[ans[i] for i in range(D)]
            check.append(A)
            eval=testplus-testminus
            plus=testplus
            minus=testminus
            ans[d-1]=q
            for j in range(d-1,D):
                if data[q-1][j]!=0:
                    if j==d-1:
                        data[q-1][d-1]=0
                    else:
                        data[q-1][j]=data[q-1][j-1]+1
                else:
                    break

            for j in range(d-1,D):
                if j==d-1:
                    if j==0:
                        data[pre-1][j]=1
                    else:
                        data[pre-1][j]=1+data[pre-1][j-1]
                elif data[pre-1][j]!=0:
                    data[pre-1][j]=data[pre-1][j-1]+1
                else:
                    break
    else:
        continue

    count-=1
check.sort(reverse=True)
if check:
    if check[0][0]>eval:
        #print(check[0][0])
        for i in range(1,D+1):
            print(check[0][i])
    else:
        #print(eval)
        for i in range(D):
            print(ans[i])
else:
    #print(eval)
    for i in range(D):
        print(ans[i])

Fixed submission:
import random

D=int(input())
c=list(map(int,input().split()))
s=[list(map(int,input().split())) for i in range(D)]

ans=[random.randint(1,26) for i in range(D)]
res=0
for i in range(D):
    res+=s[i][ans[i]-1]

last=[0]*26
for i in range(D):
    last[ans[i]-1]=i+1
    minus=sum(c[j]*(i+1-last[j]) for j in range(26))
    res-=minus

for i in range(D):
    print(ans[i])