Harryxun/GPT-100-sft-dataset huggingface dataset:
Problem p03608 (python)

Fixed submission:
import heapq
from itertools import permutations
def dijkstra(n, tc_edges, s):
    
    min_dist = [float('inf')] * n
    min_dist[s] = 0
    next_v = []
    heapq.heappush(next_v, (0, s))
    
    while True:
        if len(next_v) == 0: break
        d, v = heapq.heappop(next_v)
        
        for u, d in tc_edges[v]:
            if min_dist[u] > min_dist[v] + d:
                min_dist[u] = min_dist[v] + d
                heapq.heappush(next_v, (min_dist[u], u))
                
    return min_dist
    
n, m, r = map(int, input().split())
r = list(map(int, input().split()))
edge = [[] for _ in range(n)]

for _ in range(m):
    a, b, c = map(int, input().split())
    edge[a-1].append([b-1, c])
    edge[b-1].append([a-1, c])

dist = [dijkstra(n, edge, i) for i in range(n)]

ans = float('inf')
for pr in permutations(r):
    temp = 0
    for i in range(len(r)-1):
        temp += dist[pr[i]-1][pr[i+1]-1]
        if temp >= ans: break
    
    ans = min(ans, temp)
    
print(ans)

Buggy submission (verdict: Runtime Error):
def warshall_floyd(n, dist):
    min_dist = dist.copy()
    for k in range(n):
        for i in range(n):
            for t in range(n):
                min_dist[i][t] = min(min_dist[i][t], min_dist[i][k] + min_dist[k][t])
        
    return min_dist
    
n, m, r = map(int, input().split())
r = list(map(int, input().split()))
edge = [[0] * n for _ in range(n)]

for _ in range(m):
    a, b, c = map(int, input().split())
    edge[a-1][b-1] = c
    edge[b-1][a-1] = c

dist = warshall_floyd(n, edge)

ans = float('inf')
for pr in permutations(r):
    temp = 0
    for i in range(len(r)-1):
        temp += dist[pr[i]-1][pr[i+1]-1]
        if temp >= ans: break
    
    ans = min(ans, temp)
    
print(ans)
Problem p03682 (python)

Fixed submission:
import heapq
class UnionFind:
    def __init__(self, n):
        self.n = n
        self.parent = [i for i in range(n)]
        self.rank = [0] * n
    
    def find(self, x):
        if self.parent[x] != x:
            self.parent[x] = self.find(self.parent[x])
        return self.parent[x]

    def union(self, x, y):
        x, y = self.find(x), self.find(y)
        if x == y: return
        
        if self.rank[x] < self.rank[y]:
            self.parent[x] = y
        else:
            self.parent[y] = x
            self.rank[x] += (self.rank[x] == self.rank[y])

def kruskal(n, edge):
    ans = 0
    uf = UnionFind(n)
    while True:
        d, v, u = heapq.heappop(edge)
        
        if uf.find(v) != uf.find(u):
            uf.union(v, u)
            n -= 1
            ans += d
        if n < 2: return ans
    return ans

n = int(input())
x, y = [None]*n, [None]*n

for i in range(n):
    a, b = map(int, input().split())
    x[i] = (a, i)
    y[i] = (b, i)

x.sort(key=lambda x:x[0])
y.sort(key=lambda y:y[0])

edge = []
for i in range(n-1):
    heapq.heappush(edge, (x[i+1][0]-x[i][0], x[i][1], x[i+1][1]))
    heapq.heappush(edge, (y[i+1][0]-y[i][0], y[i][1], y[i+1][1]))

del x, y
print(kruskal(n, edge))

Buggy submission (verdict: Runtime Error):
import heapq
class UnionFind:
    def __init__(self, n):
        self.n = n
        self.parent = [i for i in range(n)]
        self.rank = [0] * n
    
    def find(self, x):
        if self.parent[x] != x:
            self.parent[x] = self.find(self.parent[x])
        return self.parent[x]
 
    def union(self, x, y):
        x, y = self.find(x), self.find(y)
        if x == y: return
        
        if self.rank[x] < self.rank[y]:
            self.parent[x] = y
        else:
            self.parent[y] = x
            self.rank[x] += (self.rank[x] == self.rank[y])
 
def kruskal(n, edge):
    ans = 0
    uf = UnionFind(n)
    for i in range(len(edge)):
        d, v, u = heapq.heappop(edge)
        
        if uf.find(v) != uf.find(u):
            uf.union(v, u)
            n -= 1
            ans += d
    	if n < 1: return ans
    return ans
 
n = int(input())
x, y = [None]*n, [None]*n
dist = [[0] * n for _ in range(n)]
 
for i in range(n):
    a, b = map(int, input().split())
    x[i] = (a, i)
    y[i] = (b, i)
 
x.sort(key=lambda x:x[0])
y.sort(key=lambda y:y[0])
 
edge = []
for i in range(n-1):
    heapq.heappush(edge, (x[i+1][0]-x[i][0], x[i][1], x[i+1][1]))
    heapq.heappush(edge, (y[i+1][0]-y[i][0], y[i][1], y[i+1][1]))
 
del x, y
print(kruskal(n, edge))
Problem p03722 (python)

Fixed submission:
def bellman_ford(n, edges, s, distance=None):
    if distance != None:
        d = distance[:]
    else :
        d = [float('inf')] * n
        d[s] = 0
    
    loop_cnt = 0
    while True:
        loop_cnt += 1
        update = False
        for i in range(len(edges)):
            e = edges[i]
            if d[e[0]] != float('inf') and d[e[1]] > d[e[0]] + e[2]:
                d[e[1]] = d[e[0]] + e[2]
                update = True

        if not update or loop_cnt > n: break
    return d

n, m = map(int, input().split())
edges = []
for _ in range(m):
    a, b, c = map(int, input().split())
    edges.append((a-1, b-1, -c))

dist = bellman_ford(n, edges, 0)
test = bellman_ford(n, edges, 0, dist)

if dist[n-1] != test[n-1]:
    print("inf")
else :
    print(-dist[n-1])

Buggy submission (verdict: Runtime Error):
def bellman_ford(n, edges, s, distance=None):
    if distance != None:
        d = distance.copy()
    else :
        d = [float('inf')] * n
        d[s] = 0
    
    loop_cnt = 0
    while True:
        loop_cnt += 1
        update = False
        for i in range(len(edges)):
            e = edges[i]
            if d[e[0]] != float('inf') and d[e[1]] > d[e[0]] + e[2]:
                d[e[1]] = d[e[0]] + e[2]
                update = True

        if not update or loop_cnt > n: break
    return d

n, m = map(int, input().split())
edges = []
for _ in range(m):
    a, b, c = map(int, input().split())
    edges.append((a-1, b-1, -c))

dist = bellman_ford(n, edges, 0)
test = bellman_ford(n, edges, 0, dist)

if dist[n-1] != test[n-1]:
    print("inf")
else :
    print(-dist[n-1])

Buggy submission (verdict: Runtime Error):
def bellman_ford(n, edges, s):
    d = [float('inf')] * n
    d[s] = 0
    
    loop_cnt = 0
    while True:
        loop_cnt += 1
        update = False
        for i in range(len(edges)):
            e = edges[i]
            if d[e[0]] != float('inf') and d[e[1]] > d[e[0]] + e[2]:
                d[e[1]] = d[e[0]] + e[2]
                update = True
        
        if not update or loop_cnt >= n: break
    return d, (loop_cnt >= n)

n, m = map(int, input().split())
edges = []
for _ in range(m):
    a, b, c = map(int, input().split())
    edges.append((a-1, b-1, -c))

dist, cycle = bellman_ford(n, edges, 0)
if cycle:
    print("inf")
else :
    print(dist[n])
Problem p03407 (python)

Fixed submission:
a, b, c = (int(i) for i in input().split())
if a + b >= c:
    print("Yes")
else:
    print("No")

Buggy submission (verdict: Runtime Error):
a, b, c = (int(i) for i in input().split())
if a + b >= c:
    print("Yes")
else:
    print("No")5
Problem p03427 (python)

Fixed submission:
N = int(input())
for i in range(18):
    a = (N + 1) // (10 ** i)
    if a:
        b = a
    elif a == 0:
        c = (i -1) * 9 + b - 1
        break
print(c)

Buggy submission (verdict: Runtime Error):
N = int(input())
for i in range(17):
    a = (N + 1) // (10 ** i)
    if a:
        b = a
    elif a == 0:
        c = (i -1) * 9 + b - 1
        break
print(c)
Problem p03487 (python)

Fixed submission:
N = int(input())
a = [int(i) for i in input().split()]
b = [0] * (N + 1)
ans = 0
for i in range(N):
    if a[i] <= N:
        b[a[i]] += 1
    else:
        ans += 1

for i in range(N + 1):
    if b[i] < i:
        ans += b[i]
    else:
        ans+= b[i] - i
print(ans)

Buggy submission (verdict: Runtime Error):
N = int(input())
a = [int(i) for i in input().split()]
b = [0] * N
for i in range(N):
    b[a[i]] += 1

ans = 0

for i in range(N):
    if b[i] < i:
        ans += b[i]
    else:
        ans+= b[i] - i
print(ans)
Problem p02660 (python)

Fixed submission:
N = int(input())

if N == 1:
    print(0)
    exit()

def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])

    return arr

arr = factorization(N)

min_nums = [1]
num_lists = [1]
num_dic = {1: 1}

ans = 0

for Z in arr:
    o = Z[1]
    for i, num in enumerate(num_lists):
        if num > o:
            ans += num_dic[num_lists[i-1]]
            break
    if num <= o:
        o = o - num
        _ans = len(min_nums)
        n = min_nums[-1]+1
        while o >= n:
            o -= n
            min_nums.append(n)
            _ans += 1
            num_lists.append(n+num_lists[-1])
            num_dic[num_lists[-1]] =  _ans
            n += 1
        ans += _ans

print(ans)

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

if N == 1:
    print(0)
    exit()

def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])

    return arr

arr = factorization(N)

min_nums = [1]
num_lists = [1]
num_dic = {1: 1}

ans = 0

for Z in arr:
    o = Z[1]
    for i, num in enumerate(num_lists):
        if num > o:
            ans += num_dic[num_lists[i-1]]
            break
    if num <= o:
        o = o - num
        _ans = len(min_nums)
        n = min_nums[-1]+1
        while o >= n:
            o -= n
            min_nums.append(n)
            _ans += 1
            num_lists.append(n+num_lists[-1])
            n += 1
        ans += _ans

print(ans)
Problem p02686 (python)

Fixed submission:
N = int(input())
pl = []
mi = []

for i in range(N):
    _m = 0
    _t = 0
    s = input()
    for c in s:
        if c == ")":
            _t -= 1
            _m = min(_m, _t)
        else:
            _t += 1
    if _t > 0:
        pl.append([-_m, -_t]) # sortの調整のために負にしている
    else:
        mi.append([- _t + _m,  _m, _t])
pl = sorted(pl)
mi = sorted(mi)

#import IPython;IPython.embed()


if len(pl) == 0:
    if mi[0][0] == 0:
        print("Yes")
    else:
        print("No")
    exit()
if len(mi) == 0:
    print("No")
    exit()

tot = 0
for m, nt in pl:
    if tot - m < 0: # これはひくではないのでは?
        print("No")
        exit()
    else:
        tot -= nt
for d, m, nt in mi:
    if tot + m <0:
        print("No")
        exit()
    else:
        tot += nt
if tot != 0:
    print("No")
else:
    print("Yes")
        



# どういう時できるか
# で並べ方
# tot, minの情報が必要
# totが+のものはminとtotを気をつける必要がある
# minがsum以上であればどんどん足していけばいい.
# なのでminが大きい順にsortし,totの大きい順にsort
# その次はtotがminusの中ではminが小さい順に加える
# 合計が0になる時Yes,それ意外No.

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

for i in range(N):
    _m = 0
    _t = 0
    s = input()
    for c in s:
        if c == ")":
            _t -= 1
            _m = min(_m, _t)
        else:
            _t += 1
    if _t > 0:
        pl.append([_m, -_t]) # sortの調整のために負にしている
        # totalは大きい順
        # mは小さい順
    else:
        mi.append([_m, - _t])
pl = sorted(pl)
mi = sorted(mi)

import IPython;IPython.embed()


if len(pl) == 0:
    if mi[0][0] == 0:
        print("Yes")
    else:
        print("No")
    exit()
if len(mi) == 0:
    print("No")
    exit()

tot = 0
for m, nt in pl:
    if tot + m < 0:
        print("No")
        exit()
    else:
        tot += nt
for m, nt in mi:
    if tot + m <0:
        print("No")
        exit()
    else:
        tot -= nt
if tot != 0:
    print("No")
else:
    print("Yes")
        



# どういう時できるか
# で並べ方
# tot, minの情報が必要
# totが+のものはminとtotを気をつける必要がある
# minがsum以上であればどんどん足していけばいい.
# なのでminが小さい順にsortし,totの大きい順にsort
# その次はtotがminusの中ではminが小さい順に加える
# 合計が0になる時Yes,それ意外No.

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

for i in range(N):
    _m = 0
    _t = 0
    s = input()
    for c in s:
        if c == ")":
            _t -= 1
            _m = min(_m, _t)
        else:
            _t += 1
    if _t > 0:
        pl.append([- _m, _t]) # sortの調整のために負にしている
    else:
        mi.append([_m, - _t])
pl = sorted(pl)
mi = sorted(mi)

import IPython;IPython.embed()


if len(pl) == 0:
    if mi[0][0] == 0:
        print("Yes")
    else:
        print("No")
    exit()
if len(mi) == 0:
    print("No")
    exit()

tot = 0
for m, nt in pl:
    if tot - m < 0:
        print("No")
        exit()
    else:
        tot += nt
for m, nt in mi:
    if tot + m <0:
        print("No")
        exit()
    else:
        tot -= nt
if tot != 0:
    print("No")
else:
    print("Yes")
        



# どういう時できるか
# で並べ方
# tot, minの情報が必要
# totが+のものはminとtotを気をつける必要がある
# minがsum以上であればどんどん足していけばいい.
# なのでminが小さい順にsortし,totの大きい順にsort
# その次はtotがminusの中ではminが小さい順に加える
# 合計が0になる時Yes,それ意外No.
Problem p02702 (python)

Fixed submission:
import sys
input = sys.stdin.readline

S = input().strip()
l = len(S)
dic = {0:[-1]}
ans = 0
base = 1
mod = 0
for i in range(0, l):
    base = (10 * base) % 2019
    s = base * int(S[l-1-i]) + mod
    mod = s % 2019
    if mod in dic:
        dic[mod].append(i)
    else:
        dic[mod] = [i]

for key, val in dic.items():
    v_len = len(val)
    ans += (v_len * (v_len -1))// 2

print(ans)

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline

S = input()
l = len(S)
no_zero_dic = {}
dp = [[0] * (2019) for i in range(l)]
ans = 0
for i in range(l):
    s = int(S[i])
    no_zero_dic[s] = 1
    _x = set(no_zero_dic.keys())
    for j in _x:
        k = (10 * j + s) % 2019
        dp[i][k] = dp[i-1][j]
        if dp[i-1][j] > 0:
            no_zero_dic[k] = 1
        if k == 0:
            ans += dp[i][k]
    dp[i][s] += 1


print(ans)

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline

S = input()
l = len(S)
no_zero_dic = {}
dp = [[0] * (2019) for i in range(l)]
ans = 0
for i in range(l):
    s = int(S[i])
    no_zero_dic[s] = 1
    _x = set(no_zero_dic.keys())
    for j in _x:
        k = (10 * j + s) % 2019
        dp[i][k] = dp[i-1][j]
        if dp[i-1][j] > 0:
            no_zero_dic[k] = 1
        if k == 0:
            ans += dp[i][k]
    dp[i][s] += 1


print(ans)

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline

S = input()
l = len(S)
no_zero_dic = {}
dp = [[0 for _ in range(2019)] for i in range(l)]
ans = 0
for i in range(l):
    s = int(S[i])
    no_zero_dic[s] = 1
    _x = set(no_zero_dic.keys())
    for j in _x:
        k = (10 * j + s) % 2019
        dp[i][k] = dp[i-1][j]
        if dp[i-1][j] > 0:
            no_zero_dic[k] = 1
        if k == 0:
            ans += dp[i][k]
    dp[i][s] += 1


print(ans)
Problem p02900 (python)

Fixed submission:
from fractions import gcd
A, B = list(map(int, input().split()))

C = gcd(A, B)


def prime_factorize(n):
    a = {}
    while n % 2 == 0:
        a[2] = True
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a[f] = True
            n //= f
        else:
            f += 2
    if n != 1:
        a[n] = True
    return a

print(len(prime_factorize(C)) + 1)

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

C = fractions.gcd(A, B)


def prime_factorize(n):
    a = {}
    while n % 2 == 0:
        a[2] = True
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a[f] = True
            n //= f
        else:
            f += 2
    if n != 1:
        a[n] = True
    return a

print(len(prime_factorize(C)) + 1)
Problem p03276 (python)

Fixed submission:
N,K = list(map(int,input().split()))
xs = list(map(int,input().split()))

ans = 10 ** 10
for  i,x  in enumerate(xs):
    if N == 1:
        ans = abs(x)
    if i +  K  > N and i > 0:
        break
    num = abs(xs[ i + K - 1 ] - xs[i]) + abs(xs[i])
    num1 = abs(xs[ i + K - 1 ] - xs[i]) + abs(xs[i + K -1])
    ans = min([num,num1,ans])
print(ans)

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

ans = 10 ** 10
for  i,x  in enumerate(xs):
    if N == 1:
        ans = abs(x)
    if i +  K  > N and i > 0:
        break
    num = abs(xs[ i + K - 1 ] - xs[i]) + abs(xs[i])
    num1 = abs(xs[ i + K - 1 ] - xs[i]) + abs(xs[i + K -1])
    ans = min([num,num1,ans])
print(ans)
Problem p03282 (python)

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

for i,s in enumerate(S):
    if i + 1 == K:
        print(S[i])
        exit()
    if S[i] != "1":
        print(S[i])
        exit()

Buggy submission (verdict: Runtime Error):
S = list(input())
K = int(input())

if K == 1 or S[0] == 1:
    print(S[1])
for i,s in enumerate(S):
    if i + 1 == K:
        print(S[i])
        exit()
    if S[i] != 1:
        print(S[i])
        exit()
Problem p03330 (python)

Fixed submission:
# 基本は３で割ったあまり毎に変換コストを計算する.
# a[i][j] i種類目がj色に変わる時のコストと計算し、それの合計のminを取る

import numpy as np
N,C = map(int,input().split())
a = np.zeros((3,C))
D = np.array([ list(map(int,input().split())) for i in range(C)])
c = np.array([ list(map(int,input().split())) for i in range(N)])


for i in range(N):
    for j in range(N):
        a[(i+j)%3] += D[c[i][j]-1]

sum_arr = []
for C1 in range(C):
    for C2 in range(C):
        for C3 in range(C):
            if C1 != C2 and C2 != C3 and C3 != C1:
                sum_arr.append(a[0][C1]+a[1][C2]+a[2][C3])

print(int(min(sum_arr)))

Buggy submission (verdict: Runtime Error):
# 基本は３で割ったあまり毎に変換コストを計算する.
# a[i][j] i種類目がj色に変わる時のコストと計算し、それの合計のminを取る

import numpy as np
N,C = map(int,input().split())
a = np.zeros((3,C))
D = np.array([ list(map(int,input().split()))) for i in range(C)])
c = np.array([ list(map(int,input().split()))) for i in range(N)])


for i in range(N):
    for j in range(N):
        a[(i+j)%3] += D[c[i][j]-1]

sum_arr = []
for C1 in range(C):
    for C2 in range(C):
        for C3 in range(C):
            if C1 != C2 and C2 != C3 and C3 != C1:
                sum_arr.append(a[0][C1]+a[1][C2]+a[2][C3])

print(int(min(l)))

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

sep = {0:[0 for i in range(C)],1:[0 for i in range(C)],2:[0 for i in range(C)]}
for i,cx in enumerate(c):
    for j,cy in enumerate(cx):
        if len(c) == 2 and (i + j) % 3 == 2:
            sep[(i + j) % 3 - 1][cy -1] += 1
        else:
            sep[(i + j) % 3][cy - 1] += 1
minimums = [[],[],[]]
for key,values in sep.tems():
    for i in range(C):
        m0 = 0
        am0 = 0
        m1 = 0
        am1 = 1
        deposit = 0
        for j,value in enumerate(values):
            deposit += D[j][i] * valuea
        sep[key].append(deposit)
min0 = min(sep[0])
min1 = min(sep[1])
min2 = min(sep[2])

print(min1 + min2 + min0)

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

sep = {0:[0 for i in range(C)],1:[0 for i in range(C)],2:[0 for i in range(C)]}
for i,cx in enumerate(c):
    for j,cy in enumerate(cx):
        sep[(i + j) % 3][cy] + = 1
minimums = [[],[],[]]
for key,values in sep.tems():
    for i in range(C):
        m0 = 0
        am0 = 0
        m1 = 0
        am1 = 1
        deposit = 0
        for j,value in enumerate(values):
            deposit += D[j][i] * valuea
        sep[key].append(deposit)
min0 = min(sep[0])

min1 = min(sep[1])
min2 = min(sep[2])
min3 = min(sep[2])

print(min1 + min2 + min3)
Problem p03339 (python)

Fixed submission:
N = int(input())
S = input()
a = [0 for i in range(N)]
for i in S[1:]:
    if i == "E":
        a[0] += 1
for i,s in enumerate(S[:-1]):
    if S[i] == "E" and S[i+1] == "E":
        a[i+1] = a[i] - 1
    if S[i] == "E" and S[i+1] == "W":
        a[i+1] = a[i]
    if S[i] == "W" and S[i+1] == "E":
        a[i+1] = a[i]
    if S[i] == "W" and S[i+1] == "W":
        a[i+1] = a[i] + 1

print(min(a))

Buggy submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
ma = max(A)
xma = 1
for i in range(20):
    xma = xma  * 2
    if xma >= ma:
        break
ans = 0
a = 0
max_flag = False
for l in range(N):
    a = A[l]
    x = A[l]
    if max_flag:
       ma = max(A[l:N])
       xma = 1
       for i in range(20):
           xma = xma  * 2
           if xma >= ma:
               break
    if ma == A[l]:
        max_flag =True
    for j in range(l+1,N):
        a += A[j]
        x = x ^ A[j]
        if a == x:
            ans += 1
        elif a >= xma:
            break
print(ans + N)
Problem p03340 (python)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
ans = 0
num = 0
a = 0
x = 0
k = 0
for l in range(N):
    for j in range(k,N):
        a += A[j]
        x =  x ^ A[j]
        if a  != x:
            ans += j - l
            k = j
            x = x ^ A[l] ^ A[j]
            a = a - A[l] - A[j]
            break
        elif j == N-1:
            ans += N-l
            k = j
            x = x ^ A[l] ^ A[j]
            a = a - A[l] - A[j]
print(ans )

Buggy submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
ans = 0
a = 0
max_flag = False
for l in range(N):
    a = A[l]
    for j in range(l+1,N):
        x = x ^ A[j]
        if x - a == A[j]:
            ans += 1
        else:
            break
print(ans + N)

Buggy submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
ans = 0
a = 0
max_flag = False
for l in range(N):
    a = A[l]
    x = A[l]
    for j in range(l+1,N):
        a += A[j]
        x = x ^ A[j]
        if a == x:
            ans += 1
        else
            break
print(ans + N)
Problem p03359 (python)

Fixed submission:
a,b = list(map(int,input().split())) 
if a > b:                            
    print(a - 1)                     
else:                                
    print(a)

Buggy submission (verdict: Runtime Error):
 a,b = list(map(int,input().split()))     
 if a > b:                                
     print(a - 1)                         
 else:                                    
     print(a)c:w
Problem p03393 (python)

Fixed submission:
import sys
 
 
alph="abcdefghijklmnopqrstuvwxyz"
allis=list(alph)
S=input()
if(S=="zyxwvutsrqponmlkjihgfedcba"):
    print(-1)
    sys.exit()
 
for i in alph:
    if(i not in S):
        print(S+i)
        sys.exit()
        
l=-1
for i in range(len(S)-1)[::-1]:
    if(ord(S[i])<ord(S[i+1])):
        l=i
        break
        
x=sorted(S[i+1:])
for i in x:
    if(i>S[l]):
        print(S[:l]+i)
        sys.exit()

Buggy submission (verdict: Runtime Error):
inp = input()
inp_len = len(inp)
chars = map(ord,list(inp))
dic = {}
an = ""
if inp == "zyxwvutsrqponmlkjihgfedcba":
    print(-1)
    exit()
if inp_len == 26:
    for i in range(25):
        if ord(inp[-1 - i]) > ord(inp[-2 - i]):
            an = inp[:-2-i]
            ls = inp[-2-i]
            q=[k for k in list(inp)[ls:] if k>inp[ls]]
            for char in map(ord,list(inp[-1-i:])):
                dic[char] = "exist"
            break
    for j in range(26):
        if  97 + j in dic and 97+ j  >  ord(ls):
            an =  an + chr(97+j)
            break
else:
    for char in chars:
        dic[char] = "exist"
    for i in range(26):
        if not (97 + i) in dic:
            an =  inp + chr(97+i)
            break
print(an)