Harryxun/GPT-100-sft-dataset huggingface dataset:
Problem p03353 (python)

Fixed submission:
import collections

s = input()
K = int(input())

l = len(s)
sub = set()

if l <= 50:
    for i in range(l):
        for j in range(i+1):
            sub.add(s[j:i+1])
    #print(sub)
    subl = list(sub)
    subl.sort()
    #print(subl)
    print(subl[K-1])

else:
    cl = collections.Counter(s).most_common()
    cl.sort(key=lambda x: x[0])
    #print(cl)
    d = 0
    while len(sub) < K:
        be = cl[d][0]
        for i in range(l):
            if s[i] == be:
                for j in range(K):
                    sub.add(s[i:min(i+j+1,l)])
        d += 1
    #print(sub)
    subl = list(sub)
    subl.sort()
    print(subl[K-1])

Buggy submission (verdict: Runtime Error):
import collections
 
s = input()
K = int(input())
 
l = len(s)
sub = set()
 
if l <= 50:
    for i in range(l):
        for j in range(i+1):
            sub.add(s[j:i+1])
    #print(sub)
    subl = list(sub)
    subl.sort()
    #print(subl)
    print(subl[K-1])
 
else:
    cl = collections.Counter(s).most_common()
    cl.sort(key=lambda x: x[0])
    #print(cl)
    be = cl[0][0]
    for i in range(l):
        if s[i] == be:
            for j in range(K):
                sub.add(s[i:i+j+1])
    #print(sub)
    subl = list(sub)
    subl.sort()
    print(subl[K-1])

Buggy submission (verdict: Runtime Error):
import collections

s = input()
K = int(input())

l = len(s)
sub = set()

if l <= 50:
    for i in range(l):
        for j in range(i+1):
            sub.add(s[j:i+1])
    #print(sub)
    subl = list(sub)
    subl.sort()
    #print(subl)
    print(subl[K-1])

else:
    cl = collections.Counter(s).most_common()
    cl.sort(key=lambda x: x[0])
    print(cl)
    be = cl[0][0]
    for i in range(l):
        if s[i] == be:
            for j in range(K):
                sub.add(s[i:i+j+1])
    #print(sub)
    subl = list(sub)
    subl.sort()
    print(subl[K-1])

Buggy submission (verdict: Runtime Error):
import collections

s = input()
K = int(input())

l = len(s)
sub = set()

if l <= 0:
    for i in range(l):
        for j in range(i+1):
            sub.add(s[j:i+1])
    #print(sub)
    subl = list(sub)
    subl.sort()
    #print(subl)
    print(subl[K-1])

else:
    cl = collections.Counter(s).most_common()
    cl.sort(key=lambda x: x[0])
    print(cl)
    be = cl[0][0]
    for i in range(l):
        if s[i] == be:
            for j in range(K):
                sub.add(s[i:i+j+1])
    #print(sub)
    subl = list(sub)
    subl.sort()
    print(subl[K-1])
Problem p03354 (python)

Fixed submission:
N,M = map(int,input().split())

par = [i for i in range(N+1)]

# 木の根を求める
def root(x):
    if par[x] == x:
        return x
    else:
        par[x] = root(par[x])
        return par[x]

# xとyが同じ集合に属するか否か
def bool_same(x,y):
    return root(x) == root(y)

# xとyの属する集合を併合
def unite(x,y):
    x = root(x)
    y = root(y)
    if x != y:
        par[x] = y

p = [0] + list(map(int,input().split()))

for i in range(M):
    a,b = map(int,input().split())
    unite(a,b)

ans = 0
for i in range(1,N+1):
    if bool_same(i,p[i]):
        ans += 1

print(ans)

Buggy submission (verdict: Runtime Error):
N,Q = map(int,input().split())

par = [i for i in range(N+1)]
rank = [1 for i in range(N+1)]

# 木の根を求める
def root(x):
    if par[x] == x:
        return x
    else:
        par[x] = root(par[x])
        return par[x]

# xとyが同じ集合に属するか否か
def bool_same(x,y):
    return root(x) == root(y)

# xとyの属する集合を併合(ランク有)
def unite(x,y):
    x = root(x)
    y = root(y)
    if x != y:
        if rank[x] < rank[y]:
            par[x] = y
            rank[y] += rank[x]
        else:
            par[y] = x
            rank[x] += rank[y]

for i in range(Q):
    p,a,b = map(int,input().split())
    if p == 0:
        unite(a,b)
    else:
        print('Yes' if bool_same(a,b) else 'No')
Problem p03409 (python)

Fixed submission:
N = int(input())
AB = [list(map(int,input().split())) for i in range(N)]
CD = [list(map(int,input().split())) for i in range(N)]

AB.sort()
CD.sort()

#print(AB)
#print(CD)

ans = 0

for cd in CD:
    li = []
    for ab in AB:
        if ab[0] < cd[0] and ab[1] < cd[1]:
            li.append(ab)
    li.sort(key=lambda x: x[1])
    if len(li) != 0:
        AB.remove(li[-1])
        ans += 1

print(ans)

Buggy submission (verdict: Runtime Error):
N = int(input())
AB = [list(map(int,input().split())) for i in range(N)]
CD = [list(map(int,input().split())) for i in range(N)]

AB.sort()
CD.sort()

#print(AB)
#print(CD)

li = [[] for i in range(N)]

for i in range(N):
    ab = AB[i]
    for j in range(N):
        cd = CD[j]
        if ab[0] < cd[0] and ab[1] < cd[1]:
            li[i].append(cd)

#print(li)

newli = []
for i in range(N):
    if li[i] != []:
        newli.append(li[i])
    else:
        N -= 1

li = newli

ans = 0
while len(li) != 0:
    l = 1000
    
    for i in range(N):
        l = min(l,len(li[i]))

    for i in range(N):
        if len(li[i]) == l:
            rem = li[i].pop()
            li.remove(remli)
            N -= 1
            ans += 1
            break
    

    for j in range(N):
        if rem in li[j]:
            li[j].remove(rem)

    newli = []
    for i in range(N):
        if li[i] != []:
            newli.append(li[i])
        else:
            N -= 1

    li = newli

print(ans)
Problem p03436 (python)

Fixed submission:
def gridbfs(grid,sy,sx):
    INF = 10**18

    gridy = len(grid)
    gridx = len(grid[0])

    dist = [[INF]*gridx for _ in range(gridy)]
    dist[sy][sx] = 0
    q = [(sy,sx)]
    d = 1

    while q:
        qq = []
        for y,x in q:
            for dy,dx in [(-1,0),(1,0),(0,-1),(0,1)]:
                yy,xx = y+dy, x+dx
                if not (0 <= yy < gridy and 0 <= xx < gridx):
                    continue
                if grid[yy][xx] == '#':
                    continue
                if dist[yy][xx] != INF:
                    continue
                dist[yy][xx] = d
                qq.append((yy,xx))
        q = qq
        d += 1

    return dist

H,W = map(int,input().split())
grid = [input() for i in range(H)]
d = gridbfs(grid,0,0)
b = 0
for h in range(H):
    for w in range(W):
        if grid[h][w] == '#':
            b += 1

print(max(H*W-b-d[H-1][W-1]-1,-1))

Buggy submission (verdict: Runtime Error):
from collections import deque
def gridbfs(grid,sy,sx):
    INF = 10**18
 
    gridy = len(grid)
    gridx = len(grid[0])
 
    dist = [[INF]*gridx for _ in range(gridy)]
    dist[sy][sx] = 0
    q = deque([(sy,sx)])
 
    while q:
        y,x = q.popleft()
        for dy,dx in [(-1,0),(1,0),(0,-1),(0,1)]:
            ny,nx = y+dy, x+dx
            if not (0 <= ny < gridy and 0 <= nx < gridx):
                continue
            if grid[ny][nx] == 'X':
                continue
            if dist[ny][nx] != INF:
                continue
            dist[ny][nx] = dist[y][x] + 1
            q.append((ny,nx))
 
    return dist
 
H,W = map(int,input().split())
 
Grid = [input() for _ in range(H)]
 
cnt = 0
 
for i in range(H):
    cnt += Grid[i].count('.')
 
d = gridbfs(Grid,0,0)
 
print(max(-1, cnt - d[H-1][W-1] -1))
from collections import deque
def gridbfs(grid,sy,sx):
    INF = 10**18

    gridy = len(grid)
    gridx = len(grid[0])

    dist = [[INF]*gridx for _ in range(gridy)]
    dist[sy][sx] = 0
    q = deque([(sy,sx)])

    while q:
        y,x = q.popleft()
        for dy,dx in [(-1,0),(1,0),(0,-1),(0,1)]:
            ny,nx = y+dy, x+dx
            if not (0 <= ny < gridy and 0 <= nx < gridx):
                continue
            if grid[ny][nx] == '#':
                continue
            if dist[ny][nx] != INF:
                continue
            dist[ny][nx] = dist[y][x] + 1
            q.append((ny,nx))

    return dist

H,W = map(int,input().split())

Grid = [input() for _ in range(H)]

cnt = 0

for i in range(H):
    cnt += Grid[i].count('.')

d = gridbfs(Grid,0,0)

print(max(-1, cnt - d[H-1][W-1] -1))
Problem p03569 (python)

Fixed submission:
S = input()
N = len(S)
ans = []
check = []
for i in range(N):
    if S[i] != 'x':
        ans.append(S[i])
        check.append(i)
if len(ans) == 0:
    print(0)
    exit()
if ans != ans[::-1]:
    print(-1)
    exit()
if len(ans)%2:
    cl,cr = check[len(ans)//2],check[len(ans)//2]
else:
    cl,cr = check[len(ans)//2-1],check[len(ans)//2]
cnt = 0
while 0 <= cl and cr <= N-1:
    if S[cl] == S[cr]:
        cl -= 1
        cr += 1
    elif S[cl] == 'x':
        cnt += 1
        cl -= 1
    else:
        cnt += 1
        cr += 1
cnt += max(cl+1,N-cr)
print(cnt)

Buggy submission (verdict: Runtime Error):
S = input()
N = len(S)
ans = []
check = []
for i in range(N):
    if S[i] != 'x':
        ans.append(S[i])
        check.append(i)
if ans != ans[::-1]:
    print(-1)
    exit()
if len(ans)%2:
    cl,cr = check[len(ans)//2],check[len(ans)//2]
else:
    cl,cr = check[len(ans)//2-1],check[len(ans)//2]
cnt = 0
while 0 <= cl and cr <= N-1:
    if S[cl] == S[cr]:
        cl -= 1
        cr += 1
    elif S[cl] == 'x':
        cnt += 1
        cl -= 1
    else:
        cnt += 1
        cr += 1
cnt += max(cl+1,N-cr)
print(cnt)
Problem p03636 (python)

Fixed submission:
s=list(input())

print(s[0]+str(len(s)-2)+s[len(s)-1])

Buggy submission (verdict: Runtime Error):
s=list(input())

print(s[0]+str(len(s-2))+s[len(s)-1])
Problem p03680 (python)

Fixed submission:
N=int(input())
li=[]

for n in range(N):
  a=int(input())
  li.append(a)

s=0
count=0

while s!=1:
  if count==N:
    break
  else:
    s=li[s]-1
    count+=1

if s==1:
  print(count)
else:
  print(-1)

Buggy submission (verdict: Runtime Error):
N=int(input())
li=[]

for n in range(N):
  a=int(input())
  li.append(a)

s=0
count=0

while s!=1:
  if count==N:
    break
  else:
    check.append(s)
    s=li[s]-1
    count+=1

if s==1:
  print(count)
else:
  print(-1)
Problem p03697 (python)

Fixed submission:
A,B=map(int,input().split())

if A+B>9:
  print('error')
else:
  print(A+B)

Buggy submission (verdict: Runtime Error):
A<B=map(int,input().split())

if A+B>9:
  print('error')
else:
  print(A+B)

Buggy submission (verdict: Runtime Error):
A<B=map(int,input().split())

if A+B>9:
  print('error')
else:
  print(A+B)
Problem p03699 (python)

Fixed submission:
N=int(input())
li=[]

for n in range(N):
  li.append(int(input()))

li.sort()
S=sum(li)


while S%10==0 and li!=[]:
  if li[0]%10==0:
    li.pop(0)
  else:
    S-=li.pop(0)
if li==[]:
  print(0)
else:
  print(S)

Buggy submission (verdict: Runtime Error):
import copy
N=int(input())
li=[]

for n in range(N):
  li.append(int(input()))

li.sort()
li2=copy.copy(li)
S=sum(li)

for n in range(N):
  if li[n]%10==0:
    li2.pop(n)

while S%10==0 and li2!=[]:
  S-=li2.pop(0)
  
print(S)
Problem p03720 (python)

Fixed submission:
N,M=map(int,input().split())

roads=[[str(s) for s in input().split()] for m in range(M)]

ans={}

for m in range(M):
  for road in roads[m]:
    if road in ans:
      ans[road]+=1
    else:
      ans[road]=1

for n in range(N):
  if str(n+1) in ans:
    print(ans[str(n+1)])
  else:
    print(0)

Buggy submission (verdict: Runtime Error):
from collections import Counter
N,M=map(int,input().split())

road=[[str(s) for s in input().split()] for m in range(M)]

ans=[]

for m in range(M):
  roadm_counter=Counter(road[m])
  ans_counter=Counter(ans)
  ans_counter=ans_counter+roadm_counter
  ans=dict(ans_counter)

for a in range(N):
  print(ans[str(a+1)])
Problem p03759 (python)

Fixed submission:
a,b,c = map(int,input().split())
 
if (b-a) == (c-b):
  print('YES')
else:
  print('NO')

Buggy submission (verdict: Runtime Error):
a,b,c = map(int,input().split())

if b − a == c − b:
  print('YES')

else:
  print('NO')

Buggy submission (verdict: Runtime Error):
a,b,c = map(int,input().split())

if b − a == c − b:
  print('YES')

else:
  print('NO')
Problem p03777 (python)

Fixed submission:
s=input().split()

if s[0]==s[1]:
  print('H')
else:
  print('D')

Buggy submission (verdict: Runtime Error):
s=input().split()

if s[0]=s[1]:
  print('H')
else:
  print('D')

Buggy submission (verdict: Runtime Error):
s=input().split()

if s[0]=s[1]:
  print('H')
else:
  print('D')
Problem p03844 (python)

Fixed submission:
s=input().split()
A=int(s[0])
B=int(s[2])

if s[1] == '+':
  print(A+B)
else:
  print(A-B)

Buggy submission (verdict: Runtime Error):
s=input().split()

if s[1] == '+':
  print(s[0]+s[2])
else:
  print(s[0]-s[2])
Problem p03860 (python)

Fixed submission:
s = input().split()

b = s[1]

S='A'+b[0]+'C'

print(S)

Buggy submission (verdict: Runtime Error):
a,X,c=map(int,input().split())

S='A'+X[0]+'C'

print(S)
Problem p03998 (python)

Fixed submission:
S_A=list(input())
S_B=list(input())
S_C=list(input())

S_A=S_A[::-1]
S_B=S_B[::-1]
S_C=S_C[::-1]

turn='a'

while True:
  if turn=='a':
    if S_A==[]:
      print('A')
      break
    else:
      turn=S_A.pop()
  elif turn=='b':
    if S_B==[]:
      print('B')
      break
    else:
      turn=S_B.pop()
  else:
    if S_C==[]:
      print('C')
      break
    else:
      turn=S_C.pop()

Buggy submission (verdict: Runtime Error):
S_A=list(input())
S_B=list(input())
S_C=list(input())

S_A=reversed(S_A)
S_B=reversed(S_B)
S_C=reversed(S_C)

turn='a'

while S_A!=[] and S_B!=[] and S_C!=[]:
  if turn=='a':
    turn=S_A.pop()
  elif turn=='b':
    turn=S_B.pop()
  else:
    turn=S_C.pop()

if S_A==[]:
  print('A')
elif S_B==[]:
  print('B')
else:
  print('C')
Problem p04011 (python)

Fixed submission:
N=int(input())
K=int(input())
X=int(input())
Y=int(input())

if N >= K:
  S=X*K+Y*(N-K)

elif N < K:
  S=N*X

print(S)

Buggy submission (verdict: Runtime Error):
N,K,X,Y=map(int,input().split())

S=X*K+Y*(N-K)

print(S)
Problem p04012 (python)

Fixed submission:
w=list(input())
ans=sorted(w)

if len(ans)>1:
  while ans[-1]==ans[-2]:
    del ans[-2:]
    if len(ans)==0 or len(ans)==1:
      break

if len(ans)==0:
  print('Yes')
else:
  print('No')

Buggy submission (verdict: Runtime Error):
w=list(input())
ans=sorted(w)

while ans[-1]==ans[-2] and len(ans)>1:
  del ans[-2:]
  if len(ans)==0 or len(ans)==1:
    break

if len(ans)==0:
  print('Yes')
else:
  print('No')

Buggy submission (verdict: Runtime Error):
w=list(input())
ans=sorted(w)

while ans[-1]==ans[-2]:
  del ans[-2:]
  if len(ans)==0 or len(ans)==1:
    break

if len(ans)==0:
  print('Yes')
else:
  print('No')

Buggy submission (verdict: Runtime Error):
w=list(input())
ans=sorted(w)

while ans[-1]==ans[-2]:
  del ans[-2:]
  if len(ans)==0 or len(ans)==1:
    break

if ans==[]:
  print('Yes')
else:
  print('No')

Buggy submission (verdict: Runtime Error):
w=list(input())
ans=sorted(w)

print(ans)
while ans[-1]==ans[-2]:
  del ans[-2:]
  if ans==[] or len(ans)==1:
    break

if ans==[]:
  print('Yes')
else:
  print('No')

Buggy submission (verdict: Runtime Error):
w=list(input())
ans=sorted(w)

print(ans)
while ans[-1]==ans[-2]:
  del ans[-2:]
  if ans==[] or len(ans)==1:
    break
  print(ans)

if ans==[]:
  print('Yes')
else:
  print('No')

Buggy submission (verdict: Runtime Error):
w=list(input())
ans=sorted(w)

print(ans)
while ans[-1]==ans[-2]:
  del ans[-2:]
  if ans==[]:
    break
  print(ans)

if ans==[]:
  print('Yes')
else:
  print('No')
Problem p04029 (python)

Fixed submission:
N=int(input())
S=(N+1)*N//2
print(S)

Buggy submission (verdict: Runtime Error):
a=int(input())
S=(N+1)*N/2
print(S)
Problem p02690 (python)

Fixed submission:
X = int(input())
Ans = 0
for A in range(1,1000):
    for B in range(-A,A):
        Tar = A**5 - B**5
        if Tar == X:
            Ans = [A,B]
            break
    if Ans != 0:
        break
print(*Ans)

Buggy submission (verdict: Runtime Error):
X = int(input())
Ans = 0
for A in range(1,100):
    for B in range(-A,A):
        Tar = A**5 - B**5
        if Tar == X:
            Ans = [A,B]
            break
    if Ans != 0:
        break
print(*Ans)
Problem p02713 (python)

Fixed submission:
K = int(input())
S = 0

def gcd(a,b):
   while b != 0:
       a, b = b, a % b
       if b ==0:
           return a
A1 = [0,0]
A2 = [0,0,0]
for i in range(1, K+1):
    S = S + i

if K > 1:
    for j in range(1, K):
        A1[0] =  j
        for k in range(j+1,K+1):
            A1[1] = k
            S += 6 * gcd(A1[1],A1[0])

if K > 2:
    for i1 in range(1, K-1):
        A2[0] = i1
        for k1 in range(i1+1, K):
            A2[1] = k1
            for j1 in range(k1+1,K+1):
                A2[2] = j1
                G3 = gcd(A2[2],A2[1])
                if G3 >= A2[0]:
                    S += 6 * gcd(G3,A2[0])
                else:
                    S += 6 * gcd(A2[0],G3)
print(S)

Buggy submission (verdict: Runtime Error):
N = int(input())
s = 0
for i in range(0,N):
  if (i+1) % 3 1= 0 or (i+1) % 5 != 0:
    s = s + (i+1)
print(s)
Problem p02719 (python)

Fixed submission:
N,K = map(int,input().split())
S = N // K
Answer = abs(N - K*S)
if abs(Answer - K) <= Answer:
    Answer = abs(Answer - K)
print(Answer)

Buggy submission (verdict: Runtime Error):
N = int(input())
K = int(input())
S = N // K
Answer = abs(N - K*S)
if abs(Answer - K) <= Answer:
    Answer = abs(Answer - K)
print(Answer)
Problem p02732 (python)

Fixed submission:
N = int(input())
K = list(map(int,input().split()))
A = [0]*N
for i in range(N):
    A[K[i]-1] += 1
r = 0
for k in range(N):
    r += 0.5*(A[k]*(A[k]-1))
An =[]
for j in range(N):
    D = A[K[j]-1]-1
    An.append(int(r-(0.5*(D+1)*(D))+(0.5*D*(D-1))))
for i in range(len(An)):
    print(An[i])

Buggy submission (verdict: Runtime Error):
N = int(input())
K = list(map(int,input().split()))
A = [0]*N
for i in range(N):
    A[K[i]] += 1
r = 0
for k in range(N):
    r += 0.5*(A[k]*(A[k]-1))
An =[]
for j in range(N):
    D = A[K[j]]-1
    An.append(int(r-(0.5*(D+1)*(D))+(0.5*D*(D-1))))
for i in range(len(An)):
    print(An[i])
Problem p02936 (python)

Fixed submission:
import sys
sys.setrecursionlimit(1<<30)
N,Q = map(int,input().split())
def dfs(x, score):
    for y in Tree[x]:
        if Parent[x] != y:
            Parent[y] = x
            score[y] += score[x]
            dfs(y, score)
Tree = [[] for i in range(N+1)]
Parent = [0]*(N+1)
for i in range(N-1):
    a,b = map(int,input().split())
    Tree[a].append(b)
    Tree[b].append(a)
score = [0]*(N+1)
for j in range(Q):
    p,x = map(int,input().split())
    score[p] += x
dfs(1,score)
print(*score[1:],end="\t")

Buggy submission (verdict: Runtime Error):
N,Q = map(int,input().split())
def dfs(x, score):
    for y in Tree[x]:
        if Parent[x] != y:
            Parent[y] = x
            score[y] += score[x]
            dfs(y, score)
Tree = [[] for i in range(N+1)]
Parent = [0]*(N+1)
for i in range(N-1):
    a,b = map(int,input().split())
    Tree[a].append(b)
    Tree[b].append(a)
score = [0]*(N+1)
for j in range(Q):
    p,x = map(int,input().split())
    score[p] += x
dfs(1,score)
print(*score[1:],end="\t")

Buggy submission (verdict: Runtime Error):
N,Q = map(int,input().split())
def dfs(x, score):
    for y in Tree[x]:
        if Parent[x] != y:
            Parent[y] = x
            score[y] += score[x]
            dfs(y, score)
Tree = [[] for i in range(N+1)]
Parent = [0]*(N+1)
for i in range(N-1):
    a,b = map(int,input().split())
    Tree[a].append(b)
    Tree[b].append(a)
score = [0]*(N+1)
for j in range(Q):
    p,x = map(int,input().split())
    score[p] += x
dfs(1,score)
print(*score[1:],end="\t")

Buggy submission (verdict: Runtime Error):
N,Q = map(int,input().split())
def dfs(x, score):
    for y in Tree[x]:
        if Parent[x] != y:
            Parent[y] = x
            score[y] += score[x]
            dfs(y, score)
Tree = [[] for i in range(N+1)]
Parent = [0]*(N+1)
for i in range(N-1):
    a,b = map(int,input().split())
    Tree[a].append(b)
    Tree[b].append(a)
score = [0]*(N+1)
for j in range(Q):
    p,x = map(int,input().split())
    score[p] += x
dfs(1,score)
for i in score[1:]:
    print(i)
Problem p03001 (python)

Fixed submission:
W,H,x,y=map(int,input().split())
a = 0
if x==W/2 and y == H/2:
  a=1
print(W*H/2,a)

Buggy submission (verdict: Runtime Error):
W,H,x,y=map(int,input())
print(W*H/2)
Problem p03856 (python)

Fixed submission:
S = input()
N = len(S)
i = 0
while i < N:
    sig = 0
    S5 = S[i:i+5]
    if S5 == 'dream':
        sig = 1
        if S[i+5:i+7] == 'er' and S[i+7:i+8] != 'a':
            i += 2
        i += 5
    elif S5 == 'erase':
        sig = 1
        if S[i+5:i+6] == 'r':
            i += 1
        i += 5
    if sig == 0:
        sig = 2
        Answer = 'NO'
        break
if sig != 2:
    Answer = 'YES'
print(Answer)

Buggy submission (verdict: Runtime Error):
S = input()
N = len(S)
i = 0
while i < N:
    sig = 0
    S5 = S[i:i+5]
    if S5 == 'dream':
        sig = 1
        if S[i+5:i+7] == 'er' and S[i+7] != 'a':
            i += 2
        i += 5
    elif S5 == 'erase':
        sig = 1
        if S[i+5:i+6] == 'r':
            i += 1
        i += 5
    if sig == 0:
        sig = 2
        Answer = 'NO'
        break
if sig != 2:
    Answer = 'YES'
print(Answer)

Buggy submission (verdict: Runtime Error):
S = input()
N = len(S)
i = 0
while i < N:
    sig = 0
    S5 = S[i:i+5]
    if S5 == 'dream':
        sig = 1
        if S[i+5:i+7] == 'er' and S[i+7] != 'a':
            i += 2
        i += 5
    elif S5 == 'erase':
        sig = 1
        if S[i+5:i+6] == 'r':
            i += 1
        i += 5
    if sig == 0:
        sig = 2
        Answer = 'No'
        break
if sig != 2:
    Answer = 'Yes'
print(Answer)

Buggy submission (verdict: Runtime Error):
S = input()
N = len(S)
i = 0
while i < N:
    sig = 0
    S5 = S[i:i+5]
    if S5 == 'dream':
        sig = 1
        if S[i+5:i+7] == 'er' and S[i+7] != 'a':
            i += 2
        i += 5
    elif S5 == 'erase':
        sig = 1
        if S[i+5:i+6] == 'r':
            i += 1
        i += 5
    if sig == 0:
        sig = 2
        Answer = 'No'
        break
if sig != 2:
    Answer = 'Yes'
print(Answer)
Problem p04025 (python)

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
Sum =0
for i in range(len(A)):
  Sum += (A[0]-A[i])**2
Answer = Sum
for j in range(-100,101):
  Sum =0
  for k in range(len(A)):
    Sum+= (A[k]-j)**2
  Answer =min(Answer, Sum)
print(Answer)

Buggy submission (verdict: Runtime Error):
N=int(input())
A=list(map(int,input().split()))
Sum =0
for i in range(len(A)):
  Sum += (A[0]-A[i])**2
Answer = Sum
for j in range(len(A)):
  Sum =0
  for k in range(-100,101):
    Sum+= (A[k]-j)**2
  Answer =min(Answer, Sum)
print(Answer)

Buggy submission (verdict: Runtime Error):
N=int(input())
A=list(map(int,input().split()))
Sum =0
for i in range(len(A)):
  Sum += (A[0]-A[i])**2
Answer = Sum
for j in range(-100,101):
  Sum =0
  for k in range(len(A)):
    Sum+= (A[k]-A[j])**2
  Answer =min(Answer, Sum)
print(Answer)

Buggy submission (verdict: Runtime Error):
N=int(input())
A=list(map(int,inout().split()))
Sum =0
for i in range(len(N)):
  Sum += (A[0]-A[i])**2
Answer = Sum
for j in range(len(N)):
  Sum =0
  for k in range(len(N)):
    Sum+= (A[k]-A[j])**2
  Answer =min(Answer, Sum)
print(Answer)
Problem p02534 (python)

Fixed submission:
n = int(input())
s=''
for i in range(n):
    s = s + 'ACL'
print(s)

Buggy submission (verdict: Runtime Error):
n, m = map(int, input().split())
towns = [0] * n
cnt = 1

def rewr(x, y, z):
    if x == y:
        return z
    else:
        return x

for i in range(m):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    if towns[a] == 0 and towns[b] == 0:
        towns[a] = cnt
        towns[b] = cnt
        cnt += 1
    elif towns[a] > 0 and towns[b] == 0:
        towns[b] = towns[a]
    elif towns[b] > 0 and towns[a] == 0:
        towns[a] = towns[b]
    elif towns[a] > 0 and towns[b] > 0:
        if towns[a] != towns[b]:
            min_no = min(towns[a], towns[b])
            max_no = max(towns[a], towns[b])
            towns = [rewr(twn, max_no, min_no) for twn in towns]
    else:
        pass
        #print('pass')

rslt = 0
#print(towns)
rslt += max(towns) - 1
rslt += towns.count(0)
print(rslt)
Problem p02690 (python)

Fixed submission:
x=input()
a=[0]
d={}
d[0]=0
for i in range(1,1000):
	a+=[i**5]
	a+=[-i**5]
	d[i**5]=i
	d[-i**5]=-i

a.sort()
for i in range(len(a)):
    if x+a[i] in a:
        print d[a[i]+x],d[a[i]]
        break

Buggy submission (verdict: Runtime Error):
x=input()
a=[0]
d={}
d[0]=0
for i in range(1,1000):
	a+=[i**5]
	a+=[-i**5]
	d[i**5]=i
	d[-i**5]=-i

a.sort()
for i in range(len(a)):
    if x+a[i] in a:
        print d[a[i]+x],d[a[i]]
        break