Harryxun/GPT-100-sft-dataset huggingface dataset:
Problem p03569 (python)

Fixed submission:
import math
s = input().strip()
A = []
B = [0 for _ in range(len(s)+1)]
y = ""
for i in range(len(s)):
    if s[i]!="x":
        y += s[i]
        A.append(i)
        B[i+1] = B[i]
    else:
        B[i+1] = B[i]+1
flag=0
cnt = 0
for i in range(len(y)//2):
    if y[i]!=y[-(i+1)]:
        flag = 1
        cnt = -1
        break
if flag==0 and len(y)>0:
    if B[A[0]]!=B[-1]-B[A[-1]]:
        cnt += abs(B[A[0]]-(B[-1]-B[A[-1]]))
    for i in range(1,math.ceil(len(A)/2)):
        if B[A[i]]-B[A[i-1]] != B[A[-i]]-B[A[-(i+1)]]:
            cnt += abs(B[A[i]]-B[A[i-1]]-(B[A[-i]]-B[A[-(i+1)]]))
print(cnt)

Buggy submission (verdict: Runtime Error):
s = list(input().strip())
N = len(s)
a = ""
for i in range(N):
    if s[i]!="x":
        a += s[i]
if a==a[::-1]:
    flag = 1
else:
    flag = 0
if flag==1:
    n = len(a)
    C = [0 for _ in range(2*n+1)]
    for i in range(1,2*n+1,2):
        C[i] = a[i//2]
    cur = 0
    ind = 0
    for i in range(N):
        if s[i]=="x":
            C[cur]="x"
            cur += 2
        else:
            if 2*ind+1>cur:
                cur += 2
            ind += 1
    cnt = 0
    for i in range(0,n,2):
        if C[i]!=C[2*n-i]:
            cnt += 1
if flag==0:
    print(-1)
else:
    print(cnt)

Buggy submission (verdict: Runtime Error):
import math
s = input().strip()
A = []
B = [0 for _ in range(len(s)+1)]
y = ""
for i in range(len(s)):
    if s[i]!="x":
        y += s[i]
        A.append(i)
        B[i+1] = B[i]
    else:
        B[i+1] = B[i]+1
flag=0
cnt = 0
for i in range(len(y)//2):
    if y[i]!=y[-(i+1)]:
        flag=1
        cnt = -1
        break
if flag==0:
    if B[A[0]]!=B[-1]-B[A[-1]]:
        cnt += abs(B[A[0]]-(B[-1]-B[A[-1]]))
    for i in range(1,math.ceil(len(A)/2)):
        if B[A[i]]-B[A[i-1]] != B[A[-i]]-B[A[-(i+1)]]:
            cnt += abs(B[A[i]]-B[A[i-1]]-(B[A[-i]]-B[A[-(i+1)]]))
print(cnt)
Problem p03578 (python)

Fixed submission:
N = int(input())
D = sorted(list(map(int,input().split())))
M = int(input())
T = sorted(list(map(int,input().split())))
cur = 0
flag = 0
for i in range(N):
    if cur<M and D[i]==T[cur]:
        cur += 1
    elif cur<M and D[i]<T[cur]:
        continue
    elif cur==M:
        break
    else:
        flag = 1
        break
if flag==0:
    print("YES")
else:
    print("NO")

Buggy submission (verdict: Runtime Error):
N = int(input())
D = sorted(list(map(int,input().split())))
M = int(input())
T = sorted(list(map(int,input().split())))
cur = 0
flag = 0
for i in range(N):
    if cur<M and D[i]==T[cur]:
        cur += 1
    elif D[i]<T[cur]:
        continue
    else:
        flag = 1
        break
if flag==0:
    print("YES")
else:
    print("NO")
Problem p03592 (python)

Fixed submission:
N,M,K = map(int,input().split())
flag = 0
if (N*M)%2==0 and K==(N*M)//2:
    flag = 1
else:
    y = 0
    while y<=N:
        if N-2*y!=0 and (K-M*y)%(N-2*y)==0 and M>=(K-M*y)//(N-2*y)>=0:
            flag = 1
            break
        y += 1
if flag==1:
    print("Yes")
else:
    print("No")

Buggy submission (verdict: Runtime Error):
N,M,K = map(int,input().split())
if N==1 and M==1:
    flag = 1
elif N==1 and M>1:
    if K<=M:
        flag = 1
    else:
        flag = 0
elif N>1 and m==1:
    if K<=N:
        flag = 1
    else:
        flag = 0
else:
    flag = 0
    for i in range(N):
        for j in range(M):
            if M*i+N*j-2*i*j==K:
                flag = 1
                break
        if flag==1:break
if flag==1:
    print("Yes")
else:
    print("No")
Problem p03593 (python)

Fixed submission:
H,W = map(int,input().split())
C = {chr(i):0 for i in range(97,123)}
for _ in range(H):
    s = input().strip()
    for j in range(W):
        C[s[j]] += 1
ind1 = 0
for i in range(97,123):
    if C[chr(i)]==1:
        ind1 = C[chr(i)]
D = {0:0, 1:0, 2:0,3:0}
D1 = {0:0,1:0,2:0,3:0}
for c in C:
    D[C[c]%4] += 1
    D1[C[c]%4] += C[c]
if H%2==0 and W%2==0:
    if D[1]==0 and D[2]==0 and D[3]==0:
        flag = "Yes"
    else:
        flag = "No"
elif H%2==0 and W%2==1:
    if D[1]+D[3]>0:
        flag = "No"
    else:
        m = H//2
        if m>=D[2]:
            flag = "Yes"
        else:
            flag = "No"
elif H%2==1 and W%2==0:
    if D[1]+D[3]>0:
        flag = "No"
    else:
        m = W//2
        if m>=D[2]:
            flag = "Yes"
        else:
            flag = "No"
else:
    if D[1]+D[3]!=1:
        flag = "No"
    else:
        m = (H+W-1)//2
        if m>=D[2]:
            flag = "Yes"
        else:
            flag = "No"
print(flag)

Buggy submission (verdict: Runtime Error):
H,W = map(int,input().split())
A = [list(input()) for _ in range(H)]
C = {chr(i):0 for i in range(97,123)}
for i in range(H):
    for j in range(W):
        C[A[i][j]] += 1
if H%2==0 and W%2==0:
    flag = 0
    for a in C:
        if C[a]%4!=0:
            flag = 1
            break
elif H%2==0 and W%2==1 or H%2==1 and W%2==0:
    flag = 0
    for a in C:
        if (C[a]%4)%2!=0:
            flag = 1
        break
else:
    flag = 0
    cnt = 0
    for a in C:
        if C[a]%2==1:
            cnt += 1
    if cnt!=1:
        flag = 1
if flag==0:
    Print("Yes")
else:
    print("No")
Problem p03598 (python)

Fixed submission:
N = int(input())
K = int(input())
X = list(map(int,input().split()))
cnt = 0
for i in range(N):
    x = X[i]
    cnt += 2*min(K-x,x)
print(cnt)

Buggy submission (verdict: Runtime Error):
N = int(input())
K = int(input())
X = list(map(int,input().split()))
cnt = 0
for i in range(N):
    cnt += 2*min(K-x,x)
print(cnt)
Problem p03606 (python)

Fixed submission:
N = int(input())
cnt = 0
for _ in range(N):
    l,r = map(int,input().split())
    cnt += r-l+1
print(cnt)

Buggy submission (verdict: Runtime Error):
N = int(input())
A = [list(map(int,input()).split()) for _ in range(N)]
cnt = 0
for i in range(N):
    l,r = A[i]
    cnt += r-l+1
print(cnt)
Problem p03611 (python)

Fixed submission:
from bisect import bisect_left,bisect_right
N = int(input())
A = sorted(list(map(int,input().split())))
G = {i:0 for i in range(10**5)}
cntmax = 0
for i in range(10**5):
    ind0 = bisect_left(A,i-1)
    ind1 = bisect_right(A,i+1)
    cntmax = max(cntmax,ind1-ind0)
print(cntmax)

Buggy submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
A = sorted(A)
flag = 1
cur0 = 0
cur1 = 0
cur2 = 0
cnt = 0
for i in range(1,N):
    if A[i]>A[i-1]:
        flag += 1
        if flag==1:
            cur1 = i
        elif flag==2:
            cur2 = i
        elif flag==3:
            cnt = max(cnt,i-cur0)
            cur0 = cur1
            cur1 = cur2
            flag -= 1
            cur2 = i
cnt = max(cnt,n-cur0)
print(cnt)

Buggy submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
A = sorted(A)
flag = 1
cur0 = 0
cur1 = 0
cur2 = 0
cnt = 0
for i in range(1,N):
    if A[i]>A[i-1]:
        flag += 1
        if flag==1:
            cur1 = i
        elif flag==2:
            cur2 = i
        elif flag==3:
            cnt = max(cnt,i-cur0)
            cur0 = cur1
            cur1 = cur2
            flag -= 1
            cur2 = i
#     print("cnt({})={}".format(i,cnt))
cnt = max(cnt,n-cur0)
print(cnt)
Problem p03632 (python)

Fixed submission:
A,B,C,D = map(int,input().split())
if C<=A:
    if D>=B:
        print(B-A)
    elif A<=D:
        print(D-A)
    else:
        print(0)
elif C<=B:
    if D<=B:
        print(D-C)
    else:
        print(B-C)
else:
    print(0)

Buggy submission (verdict: Runtime Error):
A,B,C,D = map(int,input().split())
if C<=A:
    if D>=B:
        print(B-A)
    elif A<=D:
        print(D-A)
    else:
        print(0)
elif C<=B:
    if D<=B:
        print(D-C)
    else:
        print(B-C)
    else:
        print(0)
else:
    print(0)
Problem p03638 (python)

Fixed submission:
def put(i):
    global n,row,cur
    while n>0:
        row[cur[0]] = i
        n -= 1
        if cur[1]=="R":
            cur[0] += 1
        elif cur[1]=="L":
            cur[0] -= 1
        if cur[0]>W-1 or cur[0]<0:
            B.append(row)
            row = ["." for _ in range(W)]
        if cur==[-1,"L"]:
            cur = [0,"R"]
        elif cur==[W,"R"]:
            cur = [W-1,"L"]
        
H,W = map(int,input().split())
N = int(input())
A = list(map(int,input().split()))
A.insert(0,0)
B = []
row = ["." for _ in range(W)]
cur = [0,"R"]
for i in range(1,N+1):
    n = A[i]
    put(i)
    
for i in range(H):
    print(*B[i])

Buggy submission (verdict: Runtime Error):
def put(i):
    global n,row,cur
    if cur[0]>W-1 or cur[0]<0:
        B.append(row)
        row = ["." for _ in range(W)]
        if cur==[-1,"L"]:
            cur = [0,"R"]
        elif cur==[W,"R"]:
            cur = [W-1,"L"]
    if n==0:
        return
    row[cur[0]] = i
    n -= 1
    if cur[1]=="R":
        cur[0] += 1
    elif cur[1]=="L":
        cur[0] -= 1
    put(i)
        
H,W = map(int,input().split())
N = int(input())
A = list(map(int,input().split()))
A.insert(0,0)
B = []
row = ["." for _ in range(W)]
cur = [0,"R"]
for i in range(1,N+1):
    n = A[i]
    put(i)
    
for i in range(H):
    print(*B[i])

Buggy submission (verdict: Runtime Error):
def put(i,n):
    global row,cur
    if cur[0]>W-1 or cur[0]<0:
        B.append(row)
        row = ["." for _ in range(W)]
        if cur==[-1,"L"]:
            cur = [0,"R"]
        elif cur==[W,"R"]:
            cur = [W-1,"L"]
    if n==0:
        return
    row[cur[0]] = i
    n -= 1
    if cur[1]=="R":
        cur[0] += 1
    elif cur[1]=="L":
        cur[0] -= 1
    put(i,n)
        
H,W = map(int,input().split())
N = int(input())
A = list(map(int,input().split()))
A.insert(0,0)
B = []
row = ["." for _ in range(W)]
cur = [0,"R"]
for i in range(1,N+1):
    n = A[i]
    put(i,n)
    
for i in range(H):
    print(*B[i])
Problem p03646 (python)

Fixed submission:
import numpy as np
K = int(input())
N = 50
A = np.array([np.zeros(N) for _ in range(N)]).astype(int)
for i in range(N):
    for j in range(N):
        A[i,j] = 1 if j==i+1 else 0
A[N-1,0] = 1
B = [0 for _ in range(N)]
B[0] = np.identity(N).astype(int)
for i in range(1,N):
    B[i] = np.dot(B[i-1],A).astype(int)
C = [0 for _ in range(N)]
C[0] = np.identity(N).astype(int)
for i in range(1,N):
    C[i] = (C[i-1]+B[i]).astype(int)
print(N)
X = np.arange(N)
X = X[::-1].astype(int)
if K==0:
    print(*X)
else:
    r = (K-1)%N
    q = (K-1)//N
    b = [-1 for _ in range(N)]
    b[0] = N
    b = np.array(b).astype(int)
    X = np.dot(X,B[(r+1)%N])
    X += np.dot(b,q*C[N-1]+C[r])
    print(*X)

Buggy submission (verdict: Runtime Error):
import numpy as np
K = int(input())
N = 50
A = np.array([np.zeros(N) for _ in range(N)]).astype(int)
for i in range(N):
    for j in range(N):
        A[i,j] = 1 if j==i+1 else 0
A[N-1,0] = 1
B = [0 for _ in range(N)]
B[0] = np.identity(N).astype(int)
for i in range(1,N):
    B[i] = np.dot(B[i-1],A).astype(int)
C = [0 for _ in range(N)]
C[0] = np.identity(N).astype(int)
for i in range(1,N):
    C[i] = (C[i-1]+B[i]).astype(int)
print(N)
X = np.arange(N)
X = X[::-1].astype(int)
if K==0:
    print(*X)
else:
    r = (K-1)%N
    q = (K-1)//N
    b = [-1 for _ in range(N)]
    b[0] = N
    b = np.array(b).astype(int)
    X = np.dot(X,B[(r+1)%N])
    X += np.dot(b,q*C[N-1]+C[r])
    print(*X)
Problem p03665 (python)

Fixed submission:
N,P = map(int,input().split())
A = list(map(int,input().split()))
cnt = 0
for i in range(N):
    cnt += A[i]%2
if cnt>0:
    print(2**(N-1))
elif P==1:
    print(0)
else:
    print(2**N)

Buggy submission (verdict: Runtime Error):
N,P = map(int,input().split())
A = list(map(int,input().strip()))
cnt = 0
for i in range(N):
    cnt += A[i]%2
print(2**(N-1))
Problem p03673 (python)

Fixed submission:
n = int(input())
A = list(map(int,input().split()))
Ae = A[0:n:2]
Ao = A[1:n:2]
if n%2==0:
    B = Ao[::-1]+Ae
    print(*B)
else:
    B = Ae[::-1]+Ao
    print(*B)

Buggy submission (verdict: Runtime Error):
n = int(input())
A = list(map(int,input().split()))
Ae = A[0:n:2]
Ao = A[1:n:2]
if n%2==0:
    print(*Ao[::-1],*Ae)
else:
    print(*Ae[::-1],*Ao)
Problem p03693 (python)

Fixed submission:
r,g,b = map(int,input().split())
if (100*r+10*g+b)%4==0:
    print("YES")
else:
    print("NO")

Buggy submission (verdict: Runtime Error):
import numba
r,g,b = map(int,input().split())
if (100*r+10*g+b)%4==0:
    print("YES")
else:
    print("NO")
Problem p03700 (python)

Fixed submission:
import math
N,A,B = map(int,input().split())
H = [int(input()) for _ in range(N)]
low = sum(H)//((N-1)*B+A)-1
high = max(H)//B+1
while high-low>1:
    mid = (high+low)//2
    cnt = 0
    for i in range(N):
        cnt += math.ceil(max(H[i]-mid*B,0)/(A-B))
    if cnt<=mid:
        high = mid
    else:
        low = mid
print(high)

Buggy submission (verdict: Runtime Error):
N,A,B = map(int,input().split())
H = sorted([int(input()) for _ in range(N)])
d = A-B
high = H[-1]//B
low = 1
while high-low>1:
    mid = (high+low)//2
    cnt = 0
    for i in range(N):
        cnt += (H[i]-B*mid)//d
    if cnt<=K:
        high = mid
    else:
        low = mid
print(high)
Problem p03716 (python)

Fixed submission:
import heapq
N = int(input())
A = list(map(int,input().split()))
B1 = []
for i in range(N):
    heapq.heappush(B1,(A[i],i))
C = []
for i in range(N,3*N):
    heapq.heappush(C,(A[i],i))
B2 = []
for _ in range(N):
    a,i = heapq.heappop(C)
    heapq.heappush(B2,(i,a))
dmax = 0
for i in range(N):
    dmax += B1[i][0]-B2[i][1]
d = dmax
for i in range(N,2*N):
    a = A[i]
    if B1[0][0]<a:
        d += a-B1[0][0]
        heapq.heappop(B1)
        heapq.heappush(B1,(a,i))
    while C and B2[0][0]<=i:
        _,b = heapq.heappop(B2)
        d += b
        a,j = heapq.heappop(C)
        heapq.heappush(B2,(j,a))
        d -= a
    dmax = max(dmax,d)
print(dmax)

Buggy submission (verdict: Runtime Error):
import heapq
N = int(input())
A = list(map(int,input().split()))
B1 = []
for i in range(N):
    heapq.heappush(B1,(A[i],i))
C = []
for i in range(N,3*N):
    heapq.heappush(C,(A[i],i))
B2 = []
for _ in range(N):
    a,i = heapq.heappop(C)
    B2.append((-a,i))
dmax = 0
for i in range(N):
    dmax += B1[i][0]+B2[i][0]
C = []
for i in range(N,2*N):
    heapq.heappush(C,(A[i],i))
d = dmax
for i in range(N,2*N):
    a = A[i]
    if B1[0][0]<a:
        d += a-B1[0][0]
        heapq.heappop(B1)
        heapq.heappush(B1,(a,i))
    while C[0][1]<=i:
        heapq.heappop(C)
    while B2 and B2[0][1]<=i:
        b,i = heapq.heappop(B2)
        b = -b
        d += b
        a,i = heapq.heappop(C)
        heapq.heappush(B2,(-a,i))
        d -= a
    dmax = max(dmax,d)
print(dmax)

Buggy submission (verdict: Runtime Error):
import heapq
N = int(input())
A = list(map(int,input().split()))
B1 = []
for i in range(N):
    heapq.heappush(B1,(A[i],i))
C = []
for i in range(N,3*N):
    heapq.heappush(C,(A[i],i))
B2 = []
for _ in range(N):
    a,i = heapq.heappop(C)
    B2.append((-a,i))
dmax = 0
for i in range(N):
    dmax += B1[i][0]+B2[i][0]
C = []
for i in range(N,2*N):
    heapq.heappush(C,(A[i],i))
d = dmax
for i in range(N,2*N):
    a = A[i]
    if B1[0][0]<a:
        d += a-B1[0][0]
        heapq.heappop(B1)
        heapq.heappush(B1,(a,i))
    while C[0][1]<=i:
        heapq.heappop(C)
    while B2[0][i]<=i:
        b,i = heapq.heappop(B2)
        b = -b
        d += b
        a,i = heapq.heappop(C)
        heapq.heappush(B2,(-a,i))
        d -= a
    dmax = max(dmax,d)
print(dmax)
Problem p03720 (python)

Fixed submission:
N,M = map(int,input().split())
G = {}
for _ in range(M):
    a,b = map(int,input().split())
    if a not in G:
        G[a] = []
    G[a].append(b)
    if b not in G:
        G[b] = []
    G[b].append(b)
for i in range(1,N+1):
    if i in G:
    	print(len(G[i]))
    else:
        print(0)

Buggy submission (verdict: Runtime Error):
N,M = map(int,input().split())
G = {}
for _ in range(M):
    a,b = map(int,input().split())
    if a not in G:
        G[a] = []
    G[a].append(b)
    if b not in G:
        G[b] = []
    G[b].append(b)
for i in range(1,N+1):
    print(len(G[i]))

Buggy submission (verdict: Runtime Error):
N,M = map(int,input().split())
G = {}
for _ in range(N):
    a,b = map(int,input().split())
    if a not in G:
        G[a] = []
    G[a].append(b)
    if b not in G:
        G[b] = []
    G[b].append(b)
for i in range(1,N+1):
    print(len(G[i]))
Problem p03721 (python)

Fixed submission:
N,K = map(int,input().split())
C = {}
A = []
for _ in range(N):
    a,b = map(int,input().split())
    if a not in C:
        C[a] = 0
    C[a] += b
    A.append(a)
A = sorted(list(set(A)))
cnt = 0
for i in range(len(A)):
    cnt += C[A[i]]
    if cnt>=K:
        print(A[i])
        break

Buggy submission (verdict: Runtime Error):
N,K = map(int,input().split())
A = [list(map(int,input().split())) for _ in range(N)]
B = {}
cnt = 0
i = 0
while K>cnt:
    cnt += A[i][1]
    B[A[i][0]] = A[i][1]
    i += 1
B[A[i-1][0]] = K-(cnt-A[i-1][1])
B = B.items()
B = sorted(B,key=lambda x:x[0])
cnt = 0
i = 0
while K>cnt:
    cnt += B[i][1]
    i += 1
print(B[i-1][0])

Buggy submission (verdict: Runtime Error):
N,K = map(int,input().split())
C = {}
A = []
for _ in range(N):
    a,b = map(int,input().split())
    if a not in C:
        C[a] = 0
    C[a] += b
    A.append(a)
A = sorted(list(set(A)))
cnt = 0
for i in range(len(A)):
    cnt += C[i]
    if cnt>=K:
        print(i)
        break
Problem p03731 (python)

Fixed submission:
N,T = map(int,input().split())
A = list(map(int,input().split()))
tot = 0
for i in range(1,N):
    d = A[i]-A[i-1]
    if d>T:
        tot += T
    else:
        tot += d
print(tot+T)

Buggy submission (verdict: Runtime Error):
N,T = map(int,input().split())
T = list(map(int,input().split()))
tot = 0
for i in range(1,N):
    d = T[i]-T[i-1]
    if d>T:
        tot += T
    else:
        tot += d
print(tot+T)

Buggy submission (verdict: Runtime Error):
N,T = map(int,input().split())
T = list(map(int,input().split()))
tot = 0
for i in range(1,N):
    d = T[i]-T[i-1]
    if d>T:
        tot += T
    else:
        tot += d
print(tot)
Problem p03746 (python)

Fixed submission:
from collections import deque
def makePath():
    que = deque([1])
    while que:
        x = que.pop()
        for y in G[x]:
            if hist[y]==0:
                que.append(y)
                A.append(y)
                hist[y]=1
                break
N,M = map(int,input().split())
G = {i:[] for i in range(1,N+1)}
for _ in range(M):
    a,b = map(int,input().split())
    G[a].append(b)
    G[b].append(a)
A = [1]
hist = [0 for _ in range(N+1)]
hist[1] = 1
makePath()
B = A[:]
A = []
makePath()
A = A[::-1]
A += B
print(len(A))
print(*A)

Buggy submission (verdict: Runtime Error):
def makePath(x):
    for y in G[x]:
        if hist[y]==0:
            A.append(y)
            hist[y] = 1
            makePath(y)
            return
    return
N,M = map(int,input().split())
G = {i:[] for i in range(1,N+1)}
for _ in range(M):
    a,b = map(int,input().split())
    G[a].append(b)
    G[b].append(a)
A = [1]
hist = [0 for _ in range(N+1)]
hist[1] = 1
makePath(1)
B = A[:]
A = []
makePath(1)
A = A[::-1]
A += B
print(len(A))
print(*A)

Buggy submission (verdict: Runtime Error):
def makePath(x):
    for y in G[x]:
        if hist[y]==0:
            A.append(y)
            hist[y] = 1
            makePath(y)
            return
N,M = map(int,input().split())
G = {}
for _ in range(M):
    a,b = map(int,input().split())
    if a not in G:
        G[a] = []
    G[a].append(b)
    if b not in G:
        G[b] = []
    G[b].append(a)
A = [1]
hist = [0 for _ in range(N+1)]
hist[1] = 1
makePath(1)
B = A[:]
A = []
makePath(1)
A = A[::-1]
A += B
print(len(A))
print(*A)

Buggy submission (verdict: Runtime Error):
def makePath(x):
    for y in G[x]:
        if hist[y]==0:
            A.append(y)
            hist[y] = 1
            makePath(y)
            return
N,M = map(int,input().split())
G = {}
for _ in range(M):
    a,b = map(int,input().split())
    if a not in G:
        G[a] = []
    G[a].append(b)
    if b not in G:
        G[b] = []
    G[b].append(a)
A = [1]
hist = [0 for _ in range(N+1)]
hist[1] = 1
makePath(1)
B = A.copy()
A = []
makePath(1)
A = A[::-1]
A += B
print(len(A))
print(*A)
Problem p03752 (python)

Fixed submission:
from itertools import combinations
N,K = map(int,input().split())
A = list(map(int,input().split()))
cmin = 10**12
for x in combinations(range(1,N),K-1):
    C = A[:]
    B = [0]
    B += x
    B = sorted(B)
    cnt = 0
    for i in range(1,K):
        j0 = B[i-1]
        j1 = B[i]
        h = 0
        for j in range(j0,j1):
            h = max(h,C[j])
        if C[j1]<=h:
            cnt += h+1-C[j1]
            C[j1] = h+1
    cmin = min(cmin,cnt)
print(cmin)

Buggy submission (verdict: Runtime Error):
import ipdb
from itertools import combinations
N,K = map(int,input().split())
A = list(map(int,input().split()))
cmin = 10**12
for x in combinations(range(1,N),K-1):
    C = A[:]
    B = [0]
    B += x
    B = sorted(B)
    cnt = 0
    for i in range(1,K):
        j0 = B[i-1]
        j1 = B[i]
        h = 0
        for j in range(j0,j1):
            h = max(h,C[j])
        if C[j1]<=h:
            cnt += h+1-C[j1]
            C[j1] = h+1
    cmin = min(cmin,cnt)
print(cmin)
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")a,b,c = map(int,input().split())

Buggy submission (verdict: Runtime Error):
N,T = map(int,input().split())
A = list(map(int,input().split()))
tot = 0
for i in range(1,N):
    d = A[i]-A[i-1]
    if d>T:
        tot += T
    else:
        tot += d
print(tot+T)
Problem p03760 (python)

Fixed submission:
O = input().strip()
E = input().strip()
x = ""
for i in range(2*len(E)):
    if i%2==0:
        x += O[i//2]
    else:
        x += E[i//2]
if len(O)>len(E):
    x += O[-1]
print(x)

Buggy submission (verdict: Runtime Error):
O = input().strip()
E = input().strip()
x = ""
for i in range(2*len(E)):
    if i%2==0:
        x += O[i]
    else:
        x += E[i]
if len(O)>len(E):
    x += O[-1]
print(x)
Problem p03777 (python)

Fixed submission:
a,b = input().split()
if a=="H":
    print(b)
else:
    if b=="H":
        print("D")
    else:
        print("H")

Buggy submission (verdict: Runtime Error):
a,b = input().strip()
if a=="H":
    print(b)
else:
    if b=="H":
        print("D")
    else:
        print("H")
Problem p03846 (python)

Fixed submission:
INFTY = 10**9+7
N = int(input())
A = list(map(int,input().split()))
C = {}
for i in range(N):
    if A[i] not in C:
        C[A[i]] = 0
    C[A[i]] += 1
if N%2==0:
    flag = 0
    for i in range(1,N,2):
        if i in C and C[i]==2:
            pass
        else:
            flag = 1
            break
else:
    flag = 0
    for i in range(2,N,2):
        if i in C and C[i]==2:
            pass
        else:
            flag = 1
            break
    if 0 not in C or C[0]!=1:
        flag = 1
cnt = 0
if flag==0:
    cnt = 1
    for i in range(N//2):
        cnt = (cnt*2)%INFTY
print(cnt)

Buggy submission (verdict: Runtime Error):
INFTY = 10**9+7
N = int(input())
A = list(map(int,input().split()))
C = {}
for i in range(N):
    if A[i] not in C:
        C[A[i]] = 0
    C[A[i]] += 1
if N%2==0:
    flag = 0
    for i in range(1,N,2):
        if C[i]==2:
            pass
        else:
            flag = 1
            break
else:
    flag = 0
    for i in range(2,N,2):
        if C[i]==2:
            pass
        else:
            flag = 1
            break
    if 0 not in C or C[0]!=1:
        flag = 1
if flag==0:
    cnt = 1
    for i in range(N//2):
        cnt = (cnt*2)%INFTY
else:
    cnt = 0
print(cnt)

Buggy submission (verdict: Runtime Error):
INFTY = 10**9+7
N = int(input())
A = list(map(int,input().split()))
C = {}
for i in range(N):
    if A[i] not in C:
        C[A[i]] = 0
    C[A[i]] += 1
if N%2==0:
    flag = 0
    for i in range(1,N,2):
        if C[i]==2:
            pass
        else:
            flag = 1
            break
else:
    flag = 0
    for i in range(2,N,2):
        if C[i]==2:
            pass
        else:
            flag = 1
            break
    if C[0]!=1:
        flag = 1
if flag==0:
    cnt = 1
    for i in range(N//2):
        cnt = (cnt*2)%INFTY
else:
    cnt = 0
print(cnt)