problem_id
stringlengths 6
6
| buggy_code
stringlengths 8
526k
| fixed_code
stringlengths 12
526k
| labels
listlengths 0
15
⌀ | buggy_submission_id
int64 1
1.54M
| fixed_submission_id
int64 2
1.54M
| user_id
stringlengths 10
10
| language
stringclasses 8
values |
|---|---|---|---|---|---|---|---|
p02761
|
f=lambda:map(int,input().split())
N,M=f()
q=[list(f()) for _ in [0]*M]
res=-1
A=list(range(10**(N-1),10**N))
if N==1:A+=[0]
for i in A:
for j in range(M):
if str(i)[q[j][0]-1]!=str(q[j][1]):
break
else:
res=i
break
print(res)
|
f=lambda:map(int,input().split())
N,M=f()
q=[list(f()) for _ in [0]*M]
res=-1
A=list(range(10**(N-1),10**N))
if N==1:A=[0]+A
for i in A:
for j in range(M):
if str(i)[q[j][0]-1]!=str(q[j][1]):
break
else:
res=i
break
print(res)
|
[
"assignment.value.change"
] | 551,005
| 551,006
|
u842170774
|
python
|
p02761
|
f=lambda:map(int,input().split())
N,M=f()
q=[list(f()) for _ in [0]*M]
res=-1
A=range(10**(N-1),10**N)
if N==1:A+=[0]
for i in A:
for j in range(M):
if str(i)[q[j][0]-1]!=str(q[j][1]):
break
else:
res=i
break
print(res)
|
f=lambda:map(int,input().split())
N,M=f()
q=[list(f()) for _ in [0]*M]
res=-1
A=list(range(10**(N-1),10**N))
if N==1:A=[0]+A
for i in A:
for j in range(M):
if str(i)[q[j][0]-1]!=str(q[j][1]):
break
else:
res=i
break
print(res)
|
[
"call.add",
"call.arguments.change",
"assignment.value.change"
] | 551,007
| 551,006
|
u842170774
|
python
|
p02761
|
n, m = map(int, input().split())
a = [-1]*n
for i in range(m):
s, c = map(int, input().split())
if a[s-1] == -1:
a[s-1] = c
elif a[s-1] != c:
print(-1)
exit()
elif s == 1 and c == 0:
print(-1)
exit()
for i in range(n):
if a[i] == -1:
a[i] = 0
if n != 1 and a[0] == 0:
a[0] = 1
for i in range(n):
print(a[i], end="")
|
n, m = map(int, input().split())
a = [-1]*n
for i in range(m):
s, c = map(int, input().split())
if a[s-1] == -1:
a[s-1] = c
elif a[s-1] != c:
print(-1)
exit()
if n != 1 and s == 1 and c == 0:
print(-1)
exit()
for i in range(n):
if a[i] == -1:
a[i] = 0
if n != 1 and a[0] == 0:
a[0] = 1
for i in range(n):
print(a[i], end="")
|
[
"control_flow.branch.if.replace.add",
"control_flow.branch.else_if.replace.remove",
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,034
| 551,033
|
u285265363
|
python
|
p02761
|
def resolve():
N, M = list(map(int, input().split()))
SC = [list(map(int, input().split())) for _ in range(M)]
value = [None for _ in range(N)]
for s, c in SC:
if not (value[s-1] is None or value[s-1] == c):
print(-1)
return
value[s-1] = c
for i in range(N):
if value[i] is None:
if i == 0:
if N > 1:
value[i] = 1
else:
value[i] = 0
else:
value[i] = 0
if value[0] == 0:
print(-1)
else:
print("".join(map(str, value)))
if '__main__' == __name__:
resolve()
|
def resolve():
N, M = list(map(int, input().split()))
SC = [list(map(int, input().split())) for _ in range(M)]
value = [None for _ in range(N)]
for s, c in SC:
if not (value[s-1] is None or value[s-1] == c):
print(-1)
return
value[s-1] = c
for i in range(N):
if value[i] is None:
if i == 0:
if N > 1:
value[i] = 1
else:
value[i] = 0
else:
value[i] = 0
if N > 1 and value[0] == 0:
print(-1)
else:
print("".join(map(str, value)))
if '__main__' == __name__:
resolve()
|
[
"control_flow.branch.if.condition.change"
] | 551,052
| 551,053
|
u106797249
|
python
|
p02761
|
import sys
N,M = map(int,input().split())
cc = [list(map(int, input().split())) for i in range(M)]
if [0,1] in cc:
if N!= 1:
print(-1)
sys.exit()
a,b = [0]*N,['v']*N
for [i,j] in cc:
a[i-1] = j
if b[i-1] != 'v' and b[i-1] != j:
print(-1)
sys.exit()
b[i-1] = j
if a[0] == 0:
if N != 1:
a[0] = 1
c = ''
for i in a:
c = c + str(i)
print(c)
|
import sys
N,M = map(int,input().split())
cc = [list(map(int, input().split())) for i in range(M)]
if [1,0] in cc:
if N!= 1:
print(-1)
sys.exit()
a,b = [0]*N,['v']*N
for [i,j] in cc:
a[i-1] = j
if b[i-1] != 'v' and b[i-1] != j:
print(-1)
sys.exit()
b[i-1] = j
if a[0] == 0:
if N != 1:
a[0] = 1
c = ''
for i in a:
c = c + str(i)
print(c)
|
[
"control_flow.branch.if.condition.change"
] | 551,056
| 551,057
|
u089925107
|
python
|
p02761
|
N, M = list(map(int, input().split()))
result = ["x"] * N
no_break_check = 1
for i in range(M):
s, c = list(input().split())
s = int(s)
if result[s-1] == "x":
result[s-1] = c
elif result[s-1] != c:
print("-1")
no_break_check = 0
break
if no_break_check:
if N > 1:
for i, chr in enumerate(result):
if result[i] == "x":
if i == "0":
result[i] = "1"
else:
result[i] = "0"
if result[0] == "0":
print("-1")
else:
print(int("".join(result)))
else:
if result[0] == "x":
print(0)
else:
print(int(result[0]))
|
N, M = list(map(int, input().split()))
result = ["x"] * N
no_break_check = 1
for i in range(M):
s, c = list(input().split())
s = int(s)
if result[s-1] == "x":
result[s-1] = c
elif result[s-1] != c:
print("-1")
no_break_check = 0
break
if no_break_check:
if N > 1:
for i, chr in enumerate(result):
if result[i] == "x":
if i == 0:
result[i] = "1"
else:
result[i] = "0"
if result[0] == "0":
print("-1")
else:
print(int("".join(result)))
else:
if result[0] == "x":
print(0)
else:
print(int(result[0]))
|
[
"control_flow.branch.if.condition.change"
] | 551,082
| 551,083
|
u150027030
|
python
|
p02761
|
n, m = [int(i) for i in input().split(" ")]
sc = []
for i in range(m):
sc.append([int(j) for j in input().split(" ")])
for i in range(10**(n-1), 10**(n), 1):
f = True
for con in sc:
if str(i)[con[0]-1] != str(con[1]):
f = False
if f :
print(i)
break
else:
print(-1)
|
n, m = [int(i) for i in input().split(" ")]
sc = []
for i in range(m):
sc.append([int(j) for j in input().split(" ")])
for i in range(10**(n-1) if n > 1 else 0, 10**(n), 1):
f = True
for con in sc:
if str(i)[con[0]-1] != str(con[1]):
f = False
if f :
print(i)
break
else:
print(-1)
|
[
"control_flow.loop.range.bounds.lower.change"
] | 551,086
| 551,087
|
u303943871
|
python
|
p02761
|
N, M = map(int, input().split())
start = 0
if N == 1:
start = 1
elif N == 2:
start = 10
else:
start = 100
N = str(N)
sc = [list(input().split()) for _ in range(M)]
for i in range(start, 1000):
ansF = True
for j in range(M):
if str(i)[int(sc[j][0]) - 1] != sc[j][1]:
ansF = False
break
if ansF:
print(i)
exit()
print(-1)
|
N, M = map(int, input().split())
start = 0
if N == 1:
start = 0
elif N == 2:
start = 10
else:
start = 100
N = str(N)
sc = [list(input().split()) for _ in range(M)]
for i in range(start, 1000):
ansF = True
for j in range(M):
if str(i)[int(sc[j][0]) - 1] != sc[j][1]:
ansF = False
break
if ansF:
print(i)
exit()
print(-1)
|
[
"literal.number.integer.change",
"assignment.value.change"
] | 551,094
| 551,095
|
u311379832
|
python
|
p02761
|
n,m=map(int,input().split())
t=[-1]*N
for i in range(m):
s,c=map(int,input().split())
s-=1
if t[s] != -1 and t[s] != c:
print(-1)
exit()
t[s]=c
if n != 1:
if t[0] == 0:
print(-1)
exit()
if t[0] == -1:
t[0]=1
for i in range(1,n):
if t[i] == -1:
t[i] = 0
else:
if t[0] == -1:
t[0] = 0
print(''.join(map(str,t)))
|
n,m=map(int,input().split())
t=[-1]*n
for i in range(m):
s,c=map(int,input().split())
s-=1
if t[s] != -1 and t[s] != c:
print(-1)
exit()
t[s]=c
if n != 1:
if t[0] == 0:
print(-1)
exit()
if t[0] == -1:
t[0]=1
for i in range(1,n):
if t[i] == -1:
t[i] = 0
else:
if t[0] == -1:
t[0] = 0
print(''.join(map(str,t)))
|
[
"assignment.value.change",
"identifier.change",
"expression.operation.binary.change"
] | 551,107
| 551,108
|
u593364182
|
python
|
p02761
|
S = []
N,M = [int(i) for i in input().split(" ")]
for _ in range(M):
s,c = input().split(" ")
S.append([int(s)-1,c])
start = N if N == 1 else 10**(N-1)
ans = -1
for num in range(start,10**N):
flag = True
s_num = str(num)
for s in S:
if (s_num[s[0]] != s[1]):
flag = False
break
if (flag):
ans = num
break
print (ans)
|
S = []
N,M = [int(i) for i in input().split(" ")]
for _ in range(M):
s,c = input().split(" ")
S.append([int(s)-1,c])
start = 0 if N == 1 else 10**(N-1)
ans = -1
for num in range(start,10**N):
flag = True
s_num = str(num)
for s in S:
if (s_num[s[0]] != s[1]):
flag = False
break
if (flag):
ans = num
break
print (ans)
|
[
"assignment.value.change",
"identifier.replace.remove",
"literal.replace.add"
] | 551,113
| 551,114
|
u951980350
|
python
|
p02761
|
S = []
N,M = [int(i) for i in input().split(" ")]
for _ in range(M):
s,c = input().split(" ")
S.append([int(s)-1,c])
start = N if N == 1 else 10**(N-1)
ans = -1
for num in range(start,1000):
flag = True
s_num = str(num)
for s in S:
if (s_num[s[0]] != s[1]):
flag = False
break
if (flag):
ans = num
break
print (ans)
|
S = []
N,M = [int(i) for i in input().split(" ")]
for _ in range(M):
s,c = input().split(" ")
S.append([int(s)-1,c])
start = 0 if N == 1 else 10**(N-1)
ans = -1
for num in range(start,10**N):
flag = True
s_num = str(num)
for s in S:
if (s_num[s[0]] != s[1]):
flag = False
break
if (flag):
ans = num
break
print (ans)
|
[
"assignment.value.change",
"identifier.replace.remove",
"literal.replace.add",
"literal.number.integer.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 551,115
| 551,114
|
u951980350
|
python
|
p02761
|
def solve():
N, M = map(int, input().split())
lst = [-1] * N
for i in range(M):
s, c = map(int, input().split())
if s == 1 and c == 0 and N > 1:
return -1
elif lst[s-1] == -1:
lst[s-1] = c
elif lst[s-1] == c:
continue
else:
return -1
ans = ''
for i in range(N):
if lst[i] == -1:
if i:
ans += '0'
else:
ans += '1'
else:
ans += str(lst[i])
return ans
print(solve())
|
def solve():
N, M = map(int, input().split())
lst = [-1] * N
for i in range(M):
s, c = map(int, input().split())
if s == 1 and c == 0 and N > 1:
return -1
elif lst[s-1] == -1:
lst[s-1] = c
elif lst[s-1] == c:
continue
else:
return -1
ans = ''
for i in range(N):
if lst[i] == -1:
if i or N == 1:
ans += '0'
else:
ans += '1'
else:
ans += str(lst[i])
return ans
print(solve())
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,122
| 551,123
|
u475503988
|
python
|
p02761
|
n, m = map(int, input().split())
s, c = [], []
for i in range(m):
_s, _c = map(int, input().split())
s.append(_s)
c.append(_c)
for i in range(1000):
*t, = map(int, list(str(i)))
if len(t) != n:
continue
ok = True
for j in range(m):
if t[s[j]] != c[j]:
ok = False
break
if ok:
print(i)
quit()
print(-1)
|
n, m = map(int, input().split())
s, c = [], []
for i in range(m):
_s, _c = map(int, input().split())
s.append(_s-1)
c.append(_c)
for i in range(1000):
*t, = map(int, list(str(i)))
if len(t) != n:
continue
ok = True
for j in range(m):
if t[s[j]] != c[j]:
ok = False
break
if ok:
print(i)
quit()
print(-1)
|
[
"expression.operation.binary.add"
] | 551,128
| 551,129
|
u746419473
|
python
|
p02761
|
n,m = map(int,input().split())
rest = []
for i in range(m):
a,b = input().split()
rest.apend((int(a),b))
done = False
for i in range(0,1000):
x = str(i)
if (len(x) == n):
ok = True
for t in rest:
if (x[t[0] - 1] != t[1]):
ok = False
break
if ok:
print(i)
done = True
if not done:
print(-1)
|
n,m = map(int,input().split())
rest = []
for i in range(m):
a,b = input().split()
rest.append((int(a),b))
done = False
for i in range(0,1000):
x = str(i)
if (len(x) == n):
ok = True
for t in rest:
if (x[t[0] - 1] != t[1]):
ok = False
break
if ok:
print(i)
done = True
break
if not done:
print(-1)
|
[
"identifier.change",
"control_flow.break.add"
] | 551,130
| 551,131
|
u865119809
|
python
|
p02761
|
n,m=map(int,input().split())
num=0
array=[99999 for i in range(n)]
for _ in range(m):
s,c = map(int,input().split())
if array[s-1]==99999 or array[s-1]==c:
array[s-1]=c
else:
array=[-1 for i in range(n)]
break
if not n==1:
for i in range(n):
if not i==0:
if array[i]==99999:
array[i]=0
else:
if array[i]==99999:
array[i]=1
if array[0]==-1 or array[0]==0:
num=-1
else:
num=int(''.join(list(map(str,array))))
else:
if array[0]==99999:
num=-1
else:
num=array[0]
print(num)
|
n,m=map(int,input().split())
num=0
array=[99999 for i in range(n)]
for _ in range(m):
s,c = map(int,input().split())
if array[s-1]==99999 or array[s-1]==c:
array[s-1]=c
else:
array=[-1 for i in range(n)]
break
if not n==1:
for i in range(n):
if not i==0:
if array[i]==99999:
array[i]=0
else:
if array[i]==99999:
array[i]=1
if array[0]==-1 or array[0]==0:
num=-1
else:
num=int(''.join(list(map(str,array))))
else:
if array[0]==99999:
num=0
else:
num=array[0]
print(num)
|
[
"assignment.value.change",
"expression.operation.unary.remove"
] | 551,138
| 551,139
|
u403562465
|
python
|
p02761
|
import sys
from io import StringIO
import unittest
def resolve():
N, M = [int(x) for x in input().rstrip().split()]
digits = [-1] * N
for _ in range(M):
S, C = [int(x) for x in input().rstrip().split()]
index = S -1
if digits[index] != -1 and digits[index] != C:
print("-1")
return
digits[index] = C
if(digits[0] == 0):
print("-1")
return
if(digits[0] == -1):
digits[0] = 1
for d in digits:
if d == -1:
d = 0
print(d, end="")
print()
resolve()
|
import sys
from io import StringIO
import unittest
def resolve():
N, M = [int(x) for x in input().rstrip().split()]
digits = [-1] * N
for _ in range(M):
S, C = [int(x) for x in input().rstrip().split()]
index = S -1
if digits[index] != -1 and digits[index] != C:
print("-1")
return
digits[index] = C
if N >= 2:
if(digits[0] == 0):
print("-1")
return
if(digits[0] == -1):
digits[0] = 1
for d in digits:
if d == -1:
d = 0
print(d, end="")
print()
resolve()
|
[
"control_flow.branch.if.add"
] | 551,144
| 551,145
|
u331991493
|
python
|
p02761
|
N,M = list(map(int,input().split()))
"""
N=1 0~9
N=2 10~99
N=3 100~999
N 10**(N-1)~10**N-1
"""
S = []
C = []
for i in range(M):
s,c = list(map(int,input().split()))
S.append(s)
C.append(c)
# print(S)
# print(C)
y = 10**N
if N == 1:
L,R = 0,10
elif N == 2:
L,R = 10,100
elif N == 3:
L,R = 100,1000
for i in range(L,R):
f = True
print(i)
for j in range(M):
if str(i)[S[j]-1] != str(C[j]):
f = False
# print("False")
break
if f:
y = min(y,i)
if y == 10**N:
y = -1
print(y)
|
N,M = list(map(int,input().split()))
"""
N=1 0~9
N=2 10~99
N=3 100~999
N 10**(N-1)~10**N-1
"""
S = []
C = []
for i in range(M):
s,c = list(map(int,input().split()))
S.append(s)
C.append(c)
# print(S)
# print(C)
y = 10**N
if N == 1:
L,R = 0,10
elif N == 2:
L,R = 10,100
elif N == 3:
L,R = 100,1000
for i in range(L,R):
f = True
# print(i)
for j in range(M):
if str(i)[S[j]-1] != str(C[j]):
f = False
# print("False")
break
if f:
y = min(y,i)
if y == 10**N:
y = -1
print(y)
|
[
"call.remove"
] | 551,175
| 551,176
|
u899308536
|
python
|
p02761
|
N, M = map(int,(input().split()))
table = [input().split() for l in range(M)]
ans = 0
array1 = []
array2 = []
array3 = []
keta1 = -1
keta2 = -1
keta3 = -1
s1 = 0
s2 = 0
s3 = 0
for k in range(M):
for j in range(2):
table[k][j] = int(table[k][j])
for k in range(M):
if table[k][0] == 1:
if (N != 1 and table[k][1] == 0) or (not(table[k][1] in array1) and s1 == 1):
keta1 = -1
else:
keta1 = table[k][1]
s1 = 1
array1.append(table[k][1])
elif table[k][0] == 2:
if not(table[k][1] in array2) and s2 ==1:
keta2 = -1
else:
keta2 = table[k][1]
s2 = 1
array2.append(table[k][1])
else:
if not(table[k][1] in array3) and s3 == 1:
keta3 = -1
else:
keta3 = table[k][1]
s3 = 1
array3.append(table[k][1])
if s1 != 1:
keta1 = 1
if s2 != 1 or M == 0:
keta2 = 0
if s3 != 1 or M == 0:
keta3 = 0
if M == 0:
keta1 = 0
if keta1 == -1 or keta2 == -1 or keta3 == -1:
ans = -1
elif N == 3:
ans = keta1 * 100 + keta2 * 10 + keta3
elif N == 2:
ans = keta1 * 10 + keta2
else:
ans = keta1
print(ans)
|
N, M = map(int,(input().split()))
table = [input().split() for l in range(M)]
ans = 0
array1 = []
array2 = []
array3 = []
keta1 = -1
keta2 = -1
keta3 = -1
s1 = 0
s2 = 0
s3 = 0
for k in range(M):
for j in range(2):
table[k][j] = int(table[k][j])
for k in range(M):
if table[k][0] == 1:
if (N != 1 and table[k][1] == 0) or (not(table[k][1] in array1) and s1 == 1):
keta1 = -1
else:
keta1 = table[k][1]
s1 = 1
array1.append(table[k][1])
elif table[k][0] == 2:
if not(table[k][1] in array2) and s2 == 1:
keta2 = -1
else:
keta2 = table[k][1]
s2 = 1
array2.append(table[k][1])
else:
if not(table[k][1] in array3) and s3 == 1:
keta3 = -1
else:
keta3 = table[k][1]
s3 = 1
array3.append(table[k][1])
if s1 != 1:
keta1 = 1
if s2 != 1 or M == 0:
keta2 = 0
if s3 != 1 or M == 0:
keta3 = 0
if N == 1 and M == 0:
keta1 = 0
if keta1 == -1 or keta2 == -1 or keta3 == -1:
ans = -1
elif N == 3:
ans = keta1 * 100 + keta2 * 10 + keta3
elif N == 2:
ans = keta1 * 10 + keta2
else:
ans = keta1
print(ans)
|
[
"control_flow.branch.if.condition.change"
] | 551,183
| 551,184
|
u886142147
|
python
|
p02761
|
n, m = map(int, input().split())
res = ['-1' for i in range(n)]
f = 1
for _ in range(m):
s, c = map(int, input().split())
if res[s-1] == '-1' or res[s-1] == str(c):
res[s-1] = str(c)
else:
f = 0
if not f:
print(-1)
exit()
if res[0] == '0' or res[0] == '-1':
if n == 1:
print(0)
exit()
else:
if res[0] == '0':
print(-1)
exit()
else:
res[0] = '1'
for i in range(1, n):
if res[i] == '-1':
res[i] = '1'
print(''.join(res))
|
n, m = map(int, input().split())
res = ['-1' for i in range(n)]
f = 1
for _ in range(m):
s, c = map(int, input().split())
if res[s-1] == '-1' or res[s-1] == str(c):
res[s-1] = str(c)
else:
f = 0
if not f:
print(-1)
exit()
if res[0] == '0' or res[0] == '-1':
if n == 1:
print(0)
exit()
else:
if res[0] == '0':
print(-1)
exit()
else:
res[0] = '1'
for i in range(1, n):
if res[i] == '-1':
res[i] = '0'
print(''.join(res))
|
[
"literal.string.change",
"assignment.value.change"
] | 551,214
| 551,215
|
u539850805
|
python
|
p02761
|
import sys
n, m = map(int, input().split())
l = [list(map(int, input().split())) for i in range(m)]
ans = [0] * n
check = [10] * n
for i in l:
if check[i[0] - 1] == 10:
ans[i[0] - 1] = i[1]
check[i[0] - 1] = i[1]
elif check[i[0] - 1] != i[1]:
print(-1)
sys.exit()
if i[0] == 1 and i[1] == 0 and n != 1:
print(-1)
sys.exit()
if check[0] == 10:
ans[0] = 1
for i in ans:
print(i, end="")
|
import sys
n, m = map(int, input().split())
l = [list(map(int, input().split())) for i in range(m)]
ans = [0] * n
check = [10] * n
for i in l:
if check[i[0] - 1] == 10:
ans[i[0] - 1] = i[1]
check[i[0] - 1] = i[1]
elif check[i[0] - 1] != i[1]:
print(-1)
sys.exit()
if i[0] == 1 and i[1] == 0 and n != 1:
print(-1)
sys.exit()
if n > 1 and check[0] == 10:
ans[0] = 1
for i in ans:
print(i, end="")
|
[
"control_flow.branch.if.condition.change"
] | 551,222
| 551,223
|
u344959886
|
python
|
p02761
|
n, m = map(int, input().split())
ss = []
cc = []
num = []
for _ in range(m):
s, c = map(int, input().split())
ss.append(s)
cc.append(c)
for i in range(1000):
if len(str(i)) != m:
continue
cnt = 0
for s, c in zip(ss, cc):
if str(i)[s-1] == str(c):
cnt += 1
if cnt == len(ss):
num.append(i)
if num:
print(num[0])
else:
print(-1)
|
n, m = map(int, input().split())
ss = []
cc = []
num = []
for _ in range(m):
s, c = map(int, input().split())
ss.append(s)
cc.append(c)
for i in range(1000):
if len(str(i)) != n:
continue
cnt = 0
for s, c in zip(ss, cc):
if str(i)[s-1] == str(c):
cnt += 1
if cnt == len(ss):
num.append(i)
if num:
print(num[0])
else:
print(-1)
|
[
"identifier.change",
"control_flow.branch.if.condition.change"
] | 551,235
| 551,236
|
u280552586
|
python
|
p02761
|
n, m = [int(i) for i in input().split()]
sc = [list(map(int, input().split())) for _ in range(m)]
ans = -1
for i in range(10**(n-1) if n > 1 else 0, 10**n):
for s, c in sc:
if str(i)[s-1] != str(c):
break
else:
ans = i
break
print(sc)
|
n, m = [int(i) for i in input().split()]
sc = [list(map(int, input().split())) for _ in range(m)]
ans = -1
for i in range(10**(n-1) if n > 1 else 0, 10**n):
for s, c in sc:
if str(i)[s-1] != str(c):
break
else:
ans = i
break
print(ans)
|
[
"identifier.change",
"call.arguments.change",
"io.output.change"
] | 551,251
| 551,252
|
u624689667
|
python
|
p02761
|
n, m = [int(i) for i in input().split()]
sc = [list(map(int, input().split())) for _ in range(m)]
ans = -1
for i in range(10**(n-1), 10**n):
for s, c in sc:
if str(i)[s-1] != str(c):
break
else:
ans = i
break
print(ans)
|
n, m = [int(i) for i in input().split()]
sc = [list(map(int, input().split())) for _ in range(m)]
ans = -1
for i in range(10**(n-1) if n > 1 else 0, 10**n):
for s, c in sc:
if str(i)[s-1] != str(c):
break
else:
ans = i
break
print(ans)
|
[
"control_flow.loop.range.bounds.lower.change"
] | 551,253
| 551,252
|
u624689667
|
python
|
p02761
|
N, M = map(int, input().split())
num = [None]*N
res = 0
for i in range(M):
s, c = map(int, input().split())
s -= 1
if N > 1 and s == 0 and c == 0:
res = -1
break
if num[s] == None:
num[s] = c
elif num[s] != c:
res = -1
break
print(res) if res == -1 else print(*[e if e!=None else 0 if i != 0 else 1 for i, e in enumerate(num)], sep="")
|
N, M = map(int, input().split())
num = [None]*N
res = 0
for i in range(M):
s, c = map(int, input().split())
s -= 1
if N > 1 and s == 0 and c == 0:
res = -1
break
if num[s] == None:
num[s] = c
elif num[s] != c:
res = -1
break
print(res) if res == -1 else print(*[e if e!=None else 0 if i != 0 or N == 1 else 1 for i, e in enumerate(num)], sep="")
|
[] | 551,257
| 551,258
|
u973758681
|
python
|
p02761
|
import sys
input = sys.stdin.readline
def main():
N, M = map(int, input().split())
Set = []
for i in range(M):
Set.append(list(map(int, input().split())))
for i in range(10**N):
num = str(i)
if len(i) == N and all(num[s-1]==str(c) for s,c in Set):
print(i)
break
else:
print(-1)
if __name__ == '__main__':
main()
|
import sys
input = sys.stdin.readline
def main():
N, M = map(int, input().split())
Set = []
for i in range(M):
Set.append(list(map(int, input().split())))
for i in range(10**N):
num = str(i)
if len(num) == N and all(num[s-1]==str(c) for s,c in Set):
print(i)
break
else:
print(-1)
if __name__ == '__main__':
main()
|
[
"identifier.change",
"control_flow.branch.if.condition.change"
] | 551,269
| 551,270
|
u656391577
|
python
|
p02761
|
import sys
N,M=list(map(int,input().split()))
num = [None] * N
for i in range(M):
s,c=list(input().split())
if num[int(s)-1] is not None and num[int(s)-1] != c:
print('-1')
sys.exit()
else:
num[int(s)-1] = c
if N > 1 and num[0] == '0':
print('-1')
sys.exit()
else:
for i in range(N):
if num[i] == None:
num[i] = '0' if i > 0 else '1'
print(''.join(num))
|
import sys
N,M=list(map(int,input().split()))
num = [None] * N
for i in range(M):
s,c=list(input().split())
if num[int(s)-1] is not None and num[int(s)-1] != c:
print('-1')
sys.exit()
else:
num[int(s)-1] = c
if N > 1 and num[0] == '0':
print('-1')
sys.exit()
else:
for i in range(N):
if num[i] == None:
num[i] = '0' if i > 0 or N == 1 else '1'
print(''.join(num))
|
[] | 551,281
| 551,282
|
u582333355
|
python
|
p02761
|
def main():
n, m = map(int, input().split())
ans = []
check = []
check_once = []
false_flg = 0
for i in range(n):
ans.append('0')
check.append(0)
check_once.append(0)
for j in range(m):
s, c = input().split()
if int(s) == 1 and int(c) == 0 and n != 1:
false_flg = 1
if check[int(s)-1] == 0:
ans[int(s)-1] = c
check[int(s)-1] = 1
elif check[int(s)-1] == 1 and ans[int(s)-1] == c:
ans[int(s)-1] = c
else:
false_flg = 1
tmp = int("".join(ans))
if tmp // 10**(n-1) > 0 and false_flg != 1:
print(tmp)
elif false_flg != 1:
if tmp == 0:
print(0)
else:
tmp_ = 10**(n-1) + int(tmp)
print(tmp_)
else:
print(-1)
if __name__ == '__main__':
main()
|
def main():
n, m = map(int, input().split())
ans = []
check = []
check_once = []
false_flg = 0
for i in range(n):
ans.append('0')
check.append(0)
check_once.append(0)
for j in range(m):
s, c = input().split()
if int(s) == 1 and int(c) == 0 and n != 1:
false_flg = 1
if check[int(s)-1] == 0:
ans[int(s)-1] = c
check[int(s)-1] = 1
elif check[int(s)-1] == 1 and ans[int(s)-1] == c:
ans[int(s)-1] = c
else:
false_flg = 1
tmp = int("".join(ans))
if tmp // 10**(n-1) > 0 and false_flg != 1:
print(tmp)
elif false_flg != 1:
if tmp == 0 and n == 1:
print(0)
else:
tmp_ = 10**(n-1) + int(tmp)
print(tmp_)
else:
print(-1)
if __name__ == '__main__':
main()
|
[
"control_flow.branch.if.condition.change"
] | 551,295
| 551,296
|
u624617831
|
python
|
p02761
|
n, m = map (int, input().split(" "))
datalist = [-1 for i in range(n)]
result = 99999
for i in range(m):
keta, value = map (int, input().split(" "))
if(datalist[keta-1] == -1 or datalist[keta-1] == value):
datalist[keta-1] = value
else:
result = -1
for i in range(n):
if datalist[i] == -1:
if(i == 0):
datalist[i] = 1
else:
datalist[i] = 0
if n > 1 and datalist[0] == 0:
result = -1
if(result == -1):
print(-1)
else:
result = 0
for i in range(n):
result = result + datalist[n-i-1]*(10**i)
print(result)
|
n, m = map (int, input().split(" "))
datalist = [-1 for i in range(n)]
result = 99999
for i in range(m):
keta, value = map (int, input().split(" "))
if(datalist[keta-1] == -1 or datalist[keta-1] == value):
datalist[keta-1] = value
else:
result = -1
for i in range(n):
if datalist[i] == -1:
if(i == 0 and n > 1):
datalist[i] = 1
else:
datalist[i] = 0
if n > 1 and datalist[0] == 0:
result = -1
if(result == -1):
print(-1)
else:
result = 0
for i in range(n):
result = result + datalist[n-i-1]*(10**i)
print(result)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,303
| 551,304
|
u755989869
|
python
|
p02761
|
n,m = map(int,input().split())
s = []
c = []
for i in range(m):
ss,cc = map(int,input().split())
s.append(ss)
c.append(cc)
for i in range(10**(n-1) if n>1 else 0,10**n):
ans = str(i)
for j in range(m):
if ans[s[j]-1] != str(c[j]):
break
else:
print(ans)
print(-1)
|
n,m = map(int,input().split())
s = []
c = []
for i in range(m):
ss,cc = map(int,input().split())
s.append(ss)
c.append(cc)
for i in range(10**(n-1) if n!=1 else 0,10**n):
ans = str(i)
for j in range(m):
if ans[s[j]-1] != str(c[j]):
break
else:
print(ans)
break
else:
print(-1)
|
[
"expression.operator.compare.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"control_flow.break.add"
] | 551,314
| 551,315
|
u833738197
|
python
|
p02761
|
import sys
sys.setrecursionlimit(1000000)
input = lambda: sys.stdin.readline().rstrip()
N, M = map(int, input().split())
constraints = []
for _ in range(M):
s, c = input().split()
constraints.append((int(s) - 1, c))
for i in range(1, 1000):
x = str(i)
if len(x) == N and all(x[s] == c for s, c in constraints):
print(x)
exit(0)
print(-1)
|
import sys
sys.setrecursionlimit(1000000)
input = lambda: sys.stdin.readline().rstrip()
N, M = map(int, input().split())
constraints = []
for _ in range(M):
s, c = input().split()
constraints.append((int(s) - 1, c))
for i in range(0, 1000):
x = str(i)
if len(x) == N and all(x[s] == c for s, c in constraints):
print(x)
exit(0)
print(-1)
|
[
"literal.number.integer.change",
"call.arguments.change",
"control_flow.loop.range.bounds.lower.change"
] | 551,332
| 551,333
|
u845152373
|
python
|
p02761
|
N,M = map(int,input().split())
sc = []
for i in range(M) :
sc.append([int(i) for i in input().split()])
low = pow(10,N-1)
high = pow(10, N)
if (N == 1 and M == 0) :
print(0)
if (N == 1 and M == 1) :
s = sc[0][0]
c = sc[0][1]
print(c)
else :
for i in range(low,high) :
numstr = str(i)
is_match = True
for item in sc :
s = item[0]
c = item[1]
if (int(numstr[s-1]) != c) :
is_match = False
break
if (is_match) :
print(numstr)
break
if (not is_match) :
print(-1)
|
N,M = map(int,input().split())
sc = []
for i in range(M) :
sc.append([int(i) for i in input().split()])
low = pow(10,N-1)
high = pow(10, N)
if (N == 1 and M == 0) :
print(0)
elif (N == 1 and M == 1) :
s = sc[0][0]
c = sc[0][1]
print(c)
else :
for i in range(low,high) :
numstr = str(i)
is_match = True
for item in sc :
s = item[0]
c = item[1]
if (int(numstr[s-1]) != c) :
is_match = False
break
if (is_match) :
print(numstr)
break
if (not is_match) :
print(-1)
|
[
"control_flow.branch.if.replace.remove",
"control_flow.branch.else_if.replace.add"
] | 551,348
| 551,349
|
u993642190
|
python
|
p02761
|
a,b=map(int,input().split(" "))
if a==1:
i1=[]
for n in range(0,b):
x,y =map(int,input().split(" "))
if x==1:
i1.append(y)
i1=list(set(i1))
if len(i1)>2:
print(-1)
else:
n1=1
if len(i1)>0:
for con1 in i1:
n1=con1
print(n1)
elif a==2:
i1=[]
i10=[]
for n in range(0,b):
x,y =map(int,input().split(" "))
if x==1:
i10.append(y)
else:
i1.append(y)
i10=list(set(i10))
i1=list(set(i1))
if len(i1)>1 or len(i10)>1:
print(-1)
else:
n1=0
n10=1
if len(i1)>0:
for con1 in i1:
n1=con1
if len(i10)>0:
for con1 in i10:
n10=con1
if i10==0:
print(-1)
else:
print(n10*10+n1)
elif a==3:
i1=[]
i10=[]
i100=[]
for n in range(0,b):
x,y =map(int,input().split(" "))
if x==1:
i100.append(y)
elif x==2:
i10.append(y)
else:
i1.append(y)
i100=list(set(i100))
i10=list(set(i10))
i1=list(set(i1))
#print(i100)
#print(i10)
#print(i1)
if len(i1)>1 or len(i10)>1 or len(i100)>1:
print(-1)
else:
n1=0
n10=0
n100=1
if len(i1)>0:
for con1 in i1:
n1=con1
if len(i10)>0:
for con1 in i10:
n10=con1
if len(i100)>0:
for con1 in i100:
n100=con1
if n100==0:
print(-1)
else:
print(n100*100+n10*10+n1)
#print(max(m_l))
|
a,b=map(int,input().split(" "))
if a==1:
i1=[]
for n in range(0,b):
x,y =map(int,input().split(" "))
if x==1:
i1.append(y)
i1=list(set(i1))
if len(i1)>1:
print(-1)
else:
n1=0
if len(i1)>0:
for con1 in i1:
n1=con1
print(n1)
elif a==2:
i1=[]
i10=[]
for n in range(0,b):
x,y =map(int,input().split(" "))
if x==1:
i10.append(y)
else:
i1.append(y)
i10=list(set(i10))
i1=list(set(i1))
if len(i1)>1 or len(i10)>1:
print(-1)
else:
n1=0
n10=1
if len(i1)>0:
for con1 in i1:
n1=con1
if len(i10)>0:
for con1 in i10:
n10=con1
if i10==0:
print(-1)
else:
print(n10*10+n1)
elif a==3:
i1=[]
i10=[]
i100=[]
for n in range(0,b):
x,y =map(int,input().split(" "))
if x==1:
i100.append(y)
elif x==2:
i10.append(y)
else:
i1.append(y)
i100=list(set(i100))
i10=list(set(i10))
i1=list(set(i1))
#print(i100)
#print(i10)
#print(i1)
if len(i1)>1 or len(i10)>1 or len(i100)>1:
print(-1)
else:
n1=0
n10=0
n100=1
if len(i1)>0:
for con1 in i1:
n1=con1
if len(i10)>0:
for con1 in i10:
n10=con1
if len(i100)>0:
for con1 in i100:
n100=con1
if n100==0:
print(-1)
else:
print(n100*100+n10*10+n1)
#print(max(m_l))
|
[
"literal.number.integer.change",
"control_flow.branch.if.condition.change",
"assignment.value.change"
] | 551,350
| 551,351
|
u108898293
|
python
|
p02761
|
#Problem C
n, m = map(int, input().split())
L = [list(map(int,input().split())) for _ in range(m)] #s_i, c_i
for i in range(10**n): #ぜんぶやる
st = str(i)
if len(i) == n and all(st[s-1] == str(c) for s, c in L): #長さ＝桁数がiで、かつ全てにおいて[s=c]すなわち[stのs番目の文字＝c]となるとき
print(i)
exit()
print(-1)
|
#Problem C
n, m = map(int, input().split())
L = [list(map(int,input().split())) for _ in range(m)] #s_i, c_i
for i in range(10**n): #ぜんぶやる
st = str(i)
if len(st) == n and all(st[s-1] == str(c) for s, c in L): #長さ＝桁数がiで、かつ全てにおいて[s=c]すなわち[stのs番目の文字＝c]となるとき
print(i)
exit()
print(-1)
|
[
"identifier.change",
"control_flow.branch.if.condition.change"
] | 551,364
| 551,365
|
u373047809
|
python
|
p02761
|
N, M = map(int, input().split())
num = [input().split() for y in range(N)]
def check(target):
if not len(target) == N:
return False
for x, y in num:
if not target[int(x)-1] == y:
return False
return True
for i in range(1000):
if check(str(i)):
print(i)
exit()
print(-1)
|
N, M = map(int, input().split())
num = [input().split() for y in range(M)]
def check(target):
if not len(target) == N:
return False
for x, y in num:
if not target[int(x)-1] == y:
return False
return True
for i in range(1000):
if check(str(i)):
print(i)
exit()
print(-1)
|
[
"assignment.value.change",
"identifier.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 551,366
| 551,367
|
u511870776
|
python
|
p02761
|
N, M = map(int, input().split())
num = [input().split() for y in range(N)]
def check(target):
if not len(target) == N:
return False
for x, y in num:
if not target[x-1] == y:
return False
return True
for i in range(1000):
if check(str(i)):
print(i)
exit()
print(-1)
|
N, M = map(int, input().split())
num = [input().split() for y in range(M)]
def check(target):
if not len(target) == N:
return False
for x, y in num:
if not target[int(x)-1] == y:
return False
return True
for i in range(1000):
if check(str(i)):
print(i)
exit()
print(-1)
|
[
"assignment.value.change",
"identifier.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.add"
] | 551,368
| 551,367
|
u511870776
|
python
|
p02761
|
n, m = map(int, input().split(' '))
sayi = []
for i in range(n):
sayi.append('*')
for i in range(m):
s, t = map(int, input().split(' '))
if n >= 2 and s == 1 and t == 0:
print(-1)
exit()
if sayi[s-1] == "*" or sayi[s-1] == str(t):
sayi[s-1] = str(t)
else:
print(-1)
exit()
for i in range(len(sayi)):
if sayi[i] == '*':
if i == 0:
sayi[i] = '1'
else:
sayi[i] = '0'
print(''.join(sayi))
|
n, m = map(int, input().split(' '))
sayi = []
for i in range(n):
sayi.append('*')
for i in range(m):
s, t = map(int, input().split(' '))
if n >= 2 and s == 1 and t == 0:
print(-1)
exit()
if sayi[s-1] == "*" or sayi[s-1] == str(t):
sayi[s-1] = str(t)
else:
print(-1)
exit()
for i in range(len(sayi)):
if sayi[i] == '*':
if n>=2 and i == 0:
sayi[i] = '1'
else:
sayi[i] = '0'
print(''.join(sayi))
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,380
| 551,381
|
u631755487
|
python
|
p02761
|
if __name__ == '__main__':
N, M = map(int, input().split())
flg = 0
lst = [-1,-1,-1]
for i in range(M):
s, c = map(int, input().split())
if lst[s-1] != -1:
if lst[s-1] != c:
flg = 1
break
else:
lst[s-1] = c
a = 0
if lst[0] == 0:
flg = 1
for i in range(N):
if lst[i] != -1:
a += lst[i] * 10**(N-i-1)
if len(str(a)) < N:
a += 10**N
if N == 1 and lst[0] == 0:
print(0)
elif flg == 1:
print(-1)
else:
print(a)
|
if __name__ == '__main__':
N, M = map(int, input().split())
flg = 0
lst = [-1,-1,-1]
for i in range(M):
s, c = map(int, input().split())
if lst[s-1] != -1:
if lst[s-1] != c:
flg = 1
break
else:
lst[s-1] = c
a = 0
if lst[0] == 0:
flg = 1
for i in range(N):
if lst[i] != -1:
a += lst[i] * 10**(N-i-1)
if len(str(a)) < N:
a += 10**(N-1)
if N == 1 and lst[0] == 0:
print(0)
elif flg == 1:
print(-1)
else:
print(a)
|
[] | 551,382
| 551,383
|
u053699292
|
python
|
p02761
|
def main():
N , M = map(int,input().split())
val = [map(int,input().split()) for _ in range(M)]
ans = [-1 for _ in range(N)]
flag = True
for i in range(M):
p,q = val[i]
if ans[p-1] != -1 and ans[p - 1] != q :
flag = False
if ans[p -1] == -1 :
ans[p-1] = q
ans_val = 0
if ans[0] == -1 :
ans[0] = 1
for i in range(N):
if ans[i] != -1 :
ans_val += ans[i] * (10 ** (N - 1 -i))
if (ans[0] == 0 and N != 1):
print(-1)
elif (not flag) :
print(-1)
else:
print(ans_val)
if __name__ == '__main__':
main()
|
def main():
N , M = map(int,input().split())
val = [map(int,input().split()) for _ in range(M)]
ans = [-1 for _ in range(N)]
flag = True
for i in range(M):
p,q = val[i]
if ans[p-1] != -1 and ans[p - 1] != q :
flag = False
if ans[p -1] == -1 :
ans[p-1] = q
ans_val = 0
if ans[0] == -1 and N >= 2:
ans[0] = 1
for i in range(N):
if ans[i] != -1 :
ans_val += ans[i] * (10 ** (N - 1 -i))
if (ans[0] == 0 and N != 1):
print(-1)
elif (not flag) :
print(-1)
else:
print(ans_val)
if __name__ == '__main__':
main()
|
[
"control_flow.branch.if.condition.change"
] | 551,384
| 551,385
|
u498620941
|
python
|
p02761
|
import unittest
class TestC(unittest.TestCase):
def test_1(self):
self.assertEqual(think(3, [[1, 7], [3, 2], [1, 7]]), 702)
def test_2(self):
self.assertEqual(think(3, [[2, 1], [2, 3]]), -1)
def test_3(self):
self.assertEqual(think(3, [[1, 0]]), -1)
def test_4(self):
self.assertEqual(think(1, [[1, 0]]), 0)
def test_5(self):
self.assertEqual(think(1, []), 0)
def solve():
n, list_of_s_and_c = read()
result = think(n, list_of_s_and_c)
write(result)
def read():
n, m = read_int(2)
list_of_s_and_c = []
for _ in range(m):
list_of_s_and_c.append(read_int(2))
return n, list_of_s_and_c
def read_int(n):
return read_type(int, n, sep=' ')
def read_float(n):
return read_type(float, n, sep=' ')
def read_type(t, n, sep):
return list(map(lambda x: t(x), read_line().split(sep)))[:n]
def read_line(n=0):
if n == 0:
return input().rstrip()
else:
return input().rstrip()[:n]
def think(n, list_of_s_and_c):
not_occupied = -1
buf = [not_occupied] * n
for s, c in list_of_s_and_c:
index = s - 1
if buf[index] == not_occupied:
buf[index] = c
else:
if buf[index] == c:
continue
else:
return -1
for i in range(n):
if buf[i] == not_occupied:
if i == 0:
if n == 1:
buf[i] = 0
else:
buf[i] = 1
else:
buf[i] = 0
if buf[i] == 0:
if n == 1:
return 0
else:
return -1
return int(''.join(map(str, buf)))
def write(result):
print(result)
if __name__ == '__main__':
# unittest.main()
solve()
|
import unittest
class TestC(unittest.TestCase):
def test_1(self):
self.assertEqual(think(3, [[1, 7], [3, 2], [1, 7]]), 702)
def test_2(self):
self.assertEqual(think(3, [[2, 1], [2, 3]]), -1)
def test_3(self):
self.assertEqual(think(3, [[1, 0]]), -1)
def test_4(self):
self.assertEqual(think(1, [[1, 0]]), 0)
def test_5(self):
self.assertEqual(think(1, []), 0)
def solve():
n, list_of_s_and_c = read()
result = think(n, list_of_s_and_c)
write(result)
def read():
n, m = read_int(2)
list_of_s_and_c = []
for _ in range(m):
list_of_s_and_c.append(read_int(2))
return n, list_of_s_and_c
def read_int(n):
return read_type(int, n, sep=' ')
def read_float(n):
return read_type(float, n, sep=' ')
def read_type(t, n, sep):
return list(map(lambda x: t(x), read_line().split(sep)))[:n]
def read_line(n=0):
if n == 0:
return input().rstrip()
else:
return input().rstrip()[:n]
def think(n, list_of_s_and_c):
not_occupied = -1
buf = [not_occupied] * n
for s, c in list_of_s_and_c:
index = s - 1
if buf[index] == not_occupied:
buf[index] = c
else:
if buf[index] == c:
continue
else:
return -1
for i in range(n):
if buf[i] == not_occupied:
if i == 0:
if n == 1:
buf[i] = 0
else:
buf[i] = 1
else:
buf[i] = 0
if buf[0] == 0:
if n == 1:
return 0
else:
return -1
return int(''.join(map(str, buf)))
def write(result):
print(result)
if __name__ == '__main__':
# unittest.main()
solve()
|
[
"identifier.replace.remove",
"literal.replace.add",
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change"
] | 551,390
| 551,391
|
u745097373
|
python
|
p02761
|
from collections import defaultdict,deque
from heapq import heappush, heappop
from itertools import permutations
import sys
import math
import bisect
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def I(): return int(sys.stdin.readline())
def LS():return [list(x) for x in sys.stdin.readline().split()]
def S():
res = list(sys.stdin.readline())
if res[-1] == "\n":
return res[:-1]
return res
def IR(n):
return [I() for i in range(n)]
def LIR(n):
return [LI() for i in range(n)]
def SR(n):
return [S() for i in range(n)]
def LSR(n):
return [LS() for i in range(n)]
sys.setrecursionlimit(1000000)
mod = 1000000007
"""
#N,K,Mが入力
n,k,m=LI()
#N
#x1 y1
#. .
#xn ynが入力
N=I()
p=LIR(N)
print(n,k,m,p)
"""
def resolve():
n,m=LI()
S=LIR(m)
ans=list(str().rjust(n,"0"))
memo=[-1]*n
for i in range(m):
s,c=S[i]
if(memo[s-1]!=-1 and memo[s-1]!=c):
print(-1)
return
if(s==1 and c==0 and n>1):
print(-1)
return
memo[s-1]=c
ans[(s-1)]=str(c)
if ans[0]=="0":
ans[0]="1"
buf="".join(ans)
print(buf)
return
import sys
from io import StringIO
import unittest
class TestClass(unittest.TestCase):
def assertIO(self, input, output):
stdout, stdin = sys.stdout, sys.stdin
sys.stdout, sys.stdin = StringIO(), StringIO(input)
resolve()
sys.stdout.seek(0)
out = sys.stdout.read()[:-1]
sys.stdout, sys.stdin = stdout, stdin
self.assertEqual(out, output)
def test_入力例_1(self):
input = """3 3
1 7
3 2
1 7"""
output = """702"""
self.assertIO(input, output)
def test_入力例_2(self):
input = """3 2
2 1
2 3"""
output = """-1"""
self.assertIO(input, output)
def test_入力例_3(self):
input = """3 1
1 0"""
output = """-1"""
self.assertIO(input, output)
if __name__ == "__main__":
# unittest.main()
resolve()
|
from collections import defaultdict,deque
from heapq import heappush, heappop
from itertools import permutations
import sys
import math
import bisect
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def I(): return int(sys.stdin.readline())
def LS():return [list(x) for x in sys.stdin.readline().split()]
def S():
res = list(sys.stdin.readline())
if res[-1] == "\n":
return res[:-1]
return res
def IR(n):
return [I() for i in range(n)]
def LIR(n):
return [LI() for i in range(n)]
def SR(n):
return [S() for i in range(n)]
def LSR(n):
return [LS() for i in range(n)]
sys.setrecursionlimit(1000000)
mod = 1000000007
"""
#N,K,Mが入力
n,k,m=LI()
#N
#x1 y1
#. .
#xn ynが入力
N=I()
p=LIR(N)
print(n,k,m,p)
"""
def resolve():
n,m=LI()
S=LIR(m)
ans=list(str().rjust(n,"0"))
memo=[-1]*n
for i in range(m):
s,c=S[i]
if(memo[s-1]!=-1 and memo[s-1]!=c):
print(-1)
return
if(s==1 and c==0 and n>1):
print(-1)
return
memo[s-1]=c
ans[(s-1)]=str(c)
if ans[0]=="0" and n>1:
ans[0]="1"
buf="".join(ans)
print(buf)
return
import sys
from io import StringIO
import unittest
class TestClass(unittest.TestCase):
def assertIO(self, input, output):
stdout, stdin = sys.stdout, sys.stdin
sys.stdout, sys.stdin = StringIO(), StringIO(input)
resolve()
sys.stdout.seek(0)
out = sys.stdout.read()[:-1]
sys.stdout, sys.stdin = stdout, stdin
self.assertEqual(out, output)
def test_入力例_1(self):
input = """3 3
1 7
3 2
1 7"""
output = """702"""
self.assertIO(input, output)
def test_入力例_2(self):
input = """3 2
2 1
2 3"""
output = """-1"""
self.assertIO(input, output)
def test_入力例_3(self):
input = """3 1
1 0"""
output = """-1"""
self.assertIO(input, output)
if __name__ == "__main__":
# unittest.main()
resolve()
|
[
"control_flow.branch.if.condition.change"
] | 551,396
| 551,397
|
u141429472
|
python
|
p02761
|
import sys
n, m = map(int, input().split())
num = [-1 for i in range(n)]
for i in range(m):
s, c = map(int, input().split())
s -= 1
if num[s] != -1 and c != num[s]:
print(-1)
sys.exit()
num[s] = c
if num[0] == 0 and n == 1:
print(0)
elif num[0] == 0:
print(-1)
elif n == 1 and s[0] == -1:
print(0)
else:
num[0] = max(num[0], 1)
for i in range(1, n):
num[i] = max(num[i], 0)
print(''.join([str(i) for i in num]))
|
import sys
n, m = map(int, input().split())
num = [-1 for i in range(n)]
for i in range(m):
s, c = map(int, input().split())
s -= 1
if num[s] != -1 and c != num[s]:
print(-1)
sys.exit()
num[s] = c
if num[0] == 0 and n == 1:
print(0)
elif num[0] == 0:
print(-1)
elif n == 1 and num[0] == -1:
print(0)
else:
num[0] = max(num[0], 1)
for i in range(1, n):
num[i] = max(num[i], 0)
print(''.join([str(i) for i in num]))
|
[
"identifier.change",
"control_flow.branch.if.condition.change"
] | 551,451
| 551,452
|
u450786783
|
python
|
p02761
|
N,M = map(int,input().split())
chk = [-1] * N #チェックコード
ans=0
#それぞれの値を配列に入れる
for m in range(M):
s,c = map(int,input().split())
if s==1 and c==0 and N!=1: # 2桁以上(N=2以上)かつ、左の桁が0の場合
print(-1)
exit()
if chk[s-1] == -1: #初期値-1の場合s桁にcをいれる
chk[s-1]=c
elif chk[s-1] != -1: #初期値-1以外の場合
if chk[s-1] != c: #s桁にすでに代入されている値以外が導入されている場合
print(-1)
exit()
for i in range(N):
if chk[i] == -1: #初期値(-1)が残っているものは0に変える
if i==0:
chk[i] = 1
else:
chk[i] = 0
#print(ans,(N-(i+1)))
ans += chk[i]*(10**(N-(i+1)))
print(ans)
|
N,M = map(int,input().split())
chk = [-1] * N #チェックコード
ans=0
#それぞれの値を配列に入れる
for m in range(M):
s,c = map(int,input().split())
if s==1 and c==0 and N!=1: # 2桁以上(N=2以上)かつ、左の桁が0の場合
print(-1)
exit()
if chk[s-1] == -1: #初期値-1の場合s桁にcをいれる
chk[s-1]=c
elif chk[s-1] != -1: #初期値-1以外の場合
if chk[s-1] != c: #s桁にすでに代入されている値以外が導入されている場合
print(-1)
exit()
for i in range(N):
if chk[i] == -1: #初期値(-1)が残っているものは0に変える
if i==0 and N!=1:
chk[i] = 1
else:
chk[i] = 0
#print(ans,(N-(i+1)))
ans += chk[i]*(10**(N-(i+1)))
print(ans)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,461
| 551,462
|
u736848749
|
python
|
p02761
|
N,M=map(int,input().split())
num=[list(map(int,input().split())) for i in range(M)]
ans=[-1]*N
check=True
for i in range(M):
if ans[num[i][0]-1]==-1:
ans[num[i][0]-1]=num[i][1]
elif ans[num[i][0]-1]!=num[i][1]:
check=False
break
if ans[0]==-1 and N>1:
ans[0]=1
elif ans[0]==-1 and N==1:
ans[0]=1
elif ans[0]==0:
check=False
for i in range(N):
if ans[i]==-1:
ans[i]=0
if check==False:
print("-1")
else:
answer=0
for i in range(N):
answer+=ans[i]*(10**(N-i-1))
print(answer)
|
N,M=map(int,input().split())
num=[list(map(int,input().split())) for i in range(M)]
ans=[-1]*N
check=True
for i in range(M):
if ans[num[i][0]-1]==-1:
ans[num[i][0]-1]=num[i][1]
elif ans[num[i][0]-1]!=num[i][1]:
check=False
break
if ans[0]==-1 and N>1:
ans[0]=1
elif ans[0]==-1 and N==1:
ans[0]=0
elif ans[0]==0 and N>1:
check=False
for i in range(N):
if ans[i]==-1:
ans[i]=0
if check==False:
print("-1")
else:
answer=0
for i in range(N):
answer+=ans[i]*(10**(N-i-1))
print(answer)
|
[
"literal.number.integer.change",
"assignment.value.change",
"control_flow.branch.if.condition.change"
] | 551,481
| 551,480
|
u996731299
|
python
|
p02761
|
n,m = map(int,input().split())
ans = [0]*n
ans[0] = 1
misnot = 0
if m == 0:
misnot=1
s = [0]*m
c = [0]*m
for i in range(m):
s[i],c[i] = map(int,input().split())
flag = 0
if misnot == 0:
if n == 1:
for i in range(m-1):
if c[0]!=c[i+1]:
flag=-1
break
if flag == 0:
print(c[0])
else:
print(-1)
if n == 2:
for i in range(m):
ans[s[i]-1]=c[i]
for i in range(m):
if ans[s[i]-1]!=c[i]:
flag=-1
break
if ans[0] == 0:
print(-1)
elif flag == 0:
print(ans[0]*10+ans[1])
else:
print(-1)
if n == 3:
for i in range(m):
ans[s[i]-1]=c[i]
for i in range(m):
if ans[s[i]-1]!=c[i]:
flag=-1
break
if ans[0]==0:
print(-1)
elif flag == 0:
print(ans[0]*100+ans[1]*10+ans[2])
else:
print(-1)
else:
if n == 1:
print(1)
elif n == 2:
print(10)
elif n == 3:
print(100)
|
n,m = map(int,input().split())
ans = [0]*n
ans[0] = 1
misnot = 0
if m == 0:
misnot=1
s = [0]*m
c = [0]*m
for i in range(m):
s[i],c[i] = map(int,input().split())
flag = 0
if misnot == 0:
if n == 1:
for i in range(m-1):
if c[0]!=c[i+1]:
flag=-1
break
if flag == 0:
print(c[0])
else:
print(-1)
if n == 2:
for i in range(m):
ans[s[i]-1]=c[i]
for i in range(m):
if ans[s[i]-1]!=c[i]:
flag=-1
break
if ans[0] == 0:
print(-1)
elif flag == 0:
print(ans[0]*10+ans[1])
else:
print(-1)
if n == 3:
for i in range(m):
ans[s[i]-1]=c[i]
for i in range(m):
if ans[s[i]-1]!=c[i]:
flag=-1
break
if ans[0]==0:
print(-1)
elif flag == 0:
print(ans[0]*100+ans[1]*10+ans[2])
else:
print(-1)
else:
if n == 1:
print(0)
elif n == 2:
print(10)
elif n == 3:
print(100)
|
[
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 551,506
| 551,507
|
u872704421
|
python
|
p02761
|
N, M = map(int, input().split())
ans = [-1 for i in range(N)]
flag = False
for i in range(M):
s, c = map(int, input().split())
if ans[s-1] == -1:
ans[s-1] = c
elif ans[s-1] == c:
continue
else:
flag = True
break
if len(ans) > 1 and ans[0]:
ans[0] = 1
for i in range(len(ans)):
if ans[i] == -1:
ans[i] = 0
if len(ans) > 1 and ans[0] == 0:
flag = True
if flag:
print(-1)
else:
print("".join([str(c) for c in ans]))
|
N, M = map(int, input().split())
ans = [-1 for i in range(N)]
flag = False
for i in range(M):
s, c = map(int, input().split())
if ans[s-1] == -1:
ans[s-1] = c
elif ans[s-1] == c:
continue
else:
flag = True
break
if len(ans) > 1 and ans[0] == -1:
ans[0] = 1
for i in range(len(ans)):
if ans[i] == -1:
ans[i] = 0
if len(ans) > 1 and ans[0] == 0:
flag = True
if flag:
print(-1)
else:
print("".join([str(c) for c in ans]))
|
[
"control_flow.branch.if.condition.change"
] | 551,516
| 551,517
|
u538361257
|
python
|
p02761
|
'''
INPUT SHORTCUTS
N, K = map(int,input().split())
N ,A,B = map(int,input().split())
string = str(input())
arr = list(map(int,input().split()))
N = int(input())
'''
n , m = map(int,input().split())
dp = [-1 for _ in range(n)]
flag = True
for _ in range(m):
i , val = map(int,input().split())
if dp[i-1] == -1:
dp[i-1]=val
elif dp[i-1]!=val:
flag = False
# print(dp[i-1])
break
if dp[0]==0 and n>1:
flag = False
if flag:
for i in range(n):
if dp[i]==-1:
dp[i]=0
if dp[0]==0:
dp[0]=1
for x in dp:
print(str(x),end="")
else:
print("-1")
|
'''
INPUT SHORTCUTS
N, K = map(int,input().split())
N ,A,B = map(int,input().split())
string = str(input())
arr = list(map(int,input().split()))
N = int(input())
'''
n , m = map(int,input().split())
dp = [-1 for _ in range(n)]
flag = True
for _ in range(m):
i , val = map(int,input().split())
if dp[i-1] == -1:
dp[i-1]=val
elif dp[i-1]!=val:
flag = False
# print(dp[i-1])
break
if dp[0]==0 and n>1:
flag = False
if flag:
for i in range(n):
if dp[i]==-1:
dp[i]=0
if dp[0]==0 and n>1:
dp[0]=1
for x in dp:
print(str(x),end="")
else:
print("-1")
|
[
"control_flow.branch.if.condition.change"
] | 551,544
| 551,545
|
u691446391
|
python
|
p02761
|
n, m = map(int, input().split())
sc = [tuple(map(int, input().split())) for _ in range(m)]
flag = True
if n == 1 and m == 0:
print(0)
elif n == 1 and m != 0:
if len(set(sc)) != 1:
print(-1)
else:
print(sc[0][1])
elif n > 1 and m == 0:
print(10*(n-1))
elif n > 1 and m != 0:
for i in range(10**(n-1), 10**n):
i_str = str(i)
i_list = list(i_str)
for item in set(sc):
if i_list[item[0]-1] != str(item[1]):
break
else:
print(i)
flag = False
break
if flag:
print(-1)
|
n, m = map(int, input().split())
sc = [tuple(map(int, input().split())) for _ in range(m)]
flag = True
if n == 1 and m == 0:
print(0)
elif n == 1 and m != 0:
if len(set(sc)) != 1:
print(-1)
else:
print(sc[0][1])
elif n > 1 and m == 0:
print(10**(n-1))
elif n > 1 and m != 0:
for i in range(10**(n-1), 10**n):
i_str = str(i)
i_list = list(i_str)
for item in set(sc):
if i_list[item[0]-1] != str(item[1]):
break
else:
print(i)
flag = False
break
if flag:
print(-1)
|
[
"call.arguments.change",
"expression.operation.binary.change",
"io.output.change"
] | 551,546
| 551,547
|
u453055089
|
python
|
p02761
|
#!/usr/bin/python3
(n, m) = map(int, input().split())
d = [ -1 for i in range(n) ]
ops = []
for i in range(m):
ops.append(tuple(map(int, input().split())))
for op in ops:
(s, c) = op
if d[s - 1] >= 0 and d[s - 1] != c:
print(-1)
exit()
else:
d[s - 1] = c
for i in range(n):
if d[i] == -1:
if i == 0:
d[i] = 1
else:
d[i] = 0
if n > 1 and d[0] == 0:
print(-1)
else:
print(''.join(map(str, d)))
|
#!/usr/bin/python3
(n, m) = map(int, input().split())
d = [ -1 for i in range(n) ]
ops = []
for i in range(m):
ops.append(tuple(map(int, input().split())))
for op in ops:
(s, c) = op
if d[s - 1] >= 0 and d[s - 1] != c:
print(-1)
exit()
else:
d[s - 1] = c
for i in range(n):
if d[i] == -1:
if i == 0 and n > 1:
d[i] = 1
else:
d[i] = 0
if n > 1 and d[0] == 0:
print(-1)
else:
print(''.join(map(str, d)))
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,550
| 551,551
|
u383015480
|
python
|
p02761
|
# Problem C - Guess The Number
# input
N, M = map(int, input().split())
# initialization
input_ok = True
num_list = [-1]*N
for i in range(M):
s, c = map(int, input().split())
if N>=2 and i==0:
if c==0:
input_ok = False
break
if num_list[s-1]==-1:
num_list[s-1] = c
else:
if not c==num_list[s-1]:
input_ok = False
break
# min_search
if input_ok:
min_num = 1000
for n in range(1000):
n_str = str(n)
is_ok = True
if len(n_str)==N:
for i in range(N):
if not num_list[i]==-1:
if not int(n_str[i])==num_list[i]:
is_ok = False
if is_ok:
min_num = min(min_num, int(n_str))
else:
continue
# output
print(min_num)
else:
print(-1)
|
# Problem C - Guess The Number
# input
N, M = map(int, input().split())
# initialization
input_ok = True
num_list = [-1]*N
for i in range(M):
s, c = map(int, input().split())
if N>=2 and s==1:
if c==0:
input_ok = False
break
if num_list[s-1]==-1:
num_list[s-1] = c
else:
if not c==num_list[s-1]:
input_ok = False
break
# min_search
if input_ok:
min_num = 1000
for n in range(1000):
n_str = str(n)
is_ok = True
if len(n_str)==N:
for i in range(N):
if not num_list[i]==-1:
if not int(n_str[i])==num_list[i]:
is_ok = False
if is_ok:
min_num = min(min_num, int(n_str))
else:
continue
# output
print(min_num)
else:
print(-1)
|
[
"identifier.change",
"control_flow.branch.if.condition.change",
"literal.number.integer.change"
] | 551,558
| 551,559
|
u368249389
|
python
|
p02761
|
[N,M]=[int(i) for i in input().split()]
lis=[-1 for i in range(N)]
flg=0
for m in range(M):
[s,c]=[int(i) for i in input().split()]
if lis[s-1]==-1 or lis[s-1]==c:
lis[s-1]=c
else:
flg=1
break
x=""
if flg==1:
print("-1")
else:
for i in range(len(lis)):
if i==0 and lis[i]==0 and len(lis)!=1:#先頭0排除
print("-1")
break
if lis[i]==-1:#指定なし
if flg==0 and i==0 and len(lis)!=-1:
x+="1"
flg=2
else:
x+="0"
else:#指定あり
x+=str(lis[i])
flg=2
if i==len(lis)-1:print(x)
|
[N,M]=[int(i) for i in input().split()]
lis=[-1 for i in range(N)]
flg=0
for m in range(M):
[s,c]=[int(i) for i in input().split()]
if lis[s-1]==-1 or lis[s-1]==c:
lis[s-1]=c
else:
flg=1
break
x=""
if flg==1:
print("-1")
else:
for i in range(len(lis)):
if i==0 and lis[i]==0 and len(lis)!=1:#先頭0排除
print("-1")
break
if lis[i]==-1:#指定なし
if flg==0 and i==0 and len(lis)!=1:
x+="1"
flg=2
else:
x+="0"
else:#指定あり
x+=str(lis[i])
flg=2
if i==len(lis)-1:print(x)
|
[
"expression.operation.unary.arithmetic.remove",
"control_flow.branch.if.condition.change"
] | 551,565
| 551,566
|
u435788772
|
python
|
p02761
|
N, M = map(int, input().split())
ans = [-1] * N
if N == 1 and M == 0:
print(-1)
exit(0)
for _ in range(M):
sn, cn = map(int, input().split())
if ans[sn - 1] != -1 and ans[sn - 1] != cn:
print(-1)
exit(0)
if sn == 1 and cn == 0 and N > 1:
print(-1)
exit(0)
ans[sn - 1] = cn
if ans[0] == -1:
ans[0] = 1
ans = list(map(lambda x: str(0) if x == -1 else str(x), ans))
print("".join(ans))
|
N, M = map(int, input().split())
ans = [-1] * N
if N == 1 and M == 0:
print(0)
exit(0)
for _ in range(M):
sn, cn = map(int, input().split())
if ans[sn - 1] != -1 and ans[sn - 1] != cn:
print(-1)
exit(0)
if sn == 1 and cn == 0 and N > 1:
print(-1)
exit(0)
ans[sn - 1] = cn
if ans[0] == -1:
ans[0] = 1
ans = list(map(lambda x: str(0) if x == -1 else str(x), ans))
print("".join(ans))
|
[
"call.arguments.change",
"io.output.change",
"expression.operation.unary.remove"
] | 551,578
| 551,579
|
u357949405
|
python
|
p02761
|
n, m = map(int, input().split())
if n == 1 and m == 0:
print(0)
exit()
answer = [-1]*n
for i in range(m):
s, c = map(int, input().split())
if s == 1 and c == 0:
if n == 1:
print(0)
exit()
else:
print(-1)
if answer[s-1] == -1 or answer[s-1] == c:
answer[s-1] = c
else:
print(-1)
exit()
if answer[0] == -1:
answer[0] = 1
for j in range(n):
if answer[j] == -1:
answer[j] = 0
answer = [str(x) for x in answer]
print(int(''.join(answer)))
|
n, m = map(int, input().split())
if n == 1 and m == 0:
print(0)
exit()
answer = [-1]*n
for i in range(m):
s, c = map(int, input().split())
if s == 1 and c == 0:
if n == 1:
print(0)
exit()
else:
print(-1)
exit()
if answer[s-1] == -1 or answer[s-1] == c:
answer[s-1] = c
else:
print(-1)
exit()
if answer[0] == -1:
answer[0] = 1
for j in range(n):
if answer[j] == -1:
answer[j] = 0
answer = [str(x) for x in answer]
print(int(''.join(answer)))
|
[
"call.add"
] | 551,587
| 551,588
|
u086438369
|
python
|
p02761
|
a,b=map(int,input().split())
ans=-1
arr = [list(map(int,input().split)) for i in range(b)]
for i in range(1001):
j=str(i)
if len(j)==a and all(j[s-1]==str(t) for s,t in arr):
ans = i
break
print(ans)
|
a,b=map(int,input().split())
ans=-1
arr = [list(map(int,input().split())) for i in range(b)]
for i in range(1001):
j=str(i)
if len(j)==a and all(j[s-1]==str(t) for s,t in arr):
ans = i
break
print(ans)
|
[
"call.add"
] | 551,601
| 551,602
|
u995419623
|
python
|
p02761
|
n = []
N, M = list(map(int, input().split()))
for i in range(N):
n.append('W')
for i in range(M):
s, c = list(map(int, input().split()))
s -= 1
if n[s] == "W":
n[s] = c
elif n[s] == c:
pass
else:
print(-1)
exit()
if N != 1:
if n[0] == 0:
print(-1)
exit()
if n[0] == "W":
n[0] == 1
for i in range(N):
if n[i] =="W":
n[i] = 0
else:
if n[0] == "W":
n[0] = 0
print(''.join(map(str,n)))
|
n = []
N, M = list(map(int, input().split()))
for i in range(N):
n.append('W')
for i in range(M):
s, c = list(map(int, input().split()))
s -= 1
if n[s] == "W":
n[s] = c
elif n[s] == c:
pass
else:
print(-1)
exit()
if N != 1:
if n[0] == 0:
print(-1)
exit()
if n[0] == "W":
n[0] = 1
for i in range(N):
if n[i] =="W":
n[i] = 0
else:
if n[0] == "W":
n[0] = 0
print(''.join(map(str,n)))
|
[
"expression.operation.compare.replace.remove",
"assignment.replace.add",
"misc.typo"
] | 551,610
| 551,611
|
u961945062
|
python
|
p02761
|
n = []
N, M = list(map(int, input().split()))
for i in range(N):
n.append('W')
for i in range(M):
s, c = list(map(int, input().split()))
s -= 1
if n[s] == "W":
n[s] = c
elif n[s] == c:
pass
else:
print(-1)
exit()
if N != 0:
if n[0] == 0:
print(-1)
exit()
if n[0] == "W":
n[0] == 1
for i in range(N):
if n[i] =="W":
n[i] = 0
else:
if n[0] == "W":
n[0] = 0
print(''.join(map(str,n)))
|
n = []
N, M = list(map(int, input().split()))
for i in range(N):
n.append('W')
for i in range(M):
s, c = list(map(int, input().split()))
s -= 1
if n[s] == "W":
n[s] = c
elif n[s] == c:
pass
else:
print(-1)
exit()
if N != 1:
if n[0] == 0:
print(-1)
exit()
if n[0] == "W":
n[0] = 1
for i in range(N):
if n[i] =="W":
n[i] = 0
else:
if n[0] == "W":
n[0] = 0
print(''.join(map(str,n)))
|
[
"literal.number.integer.change",
"control_flow.branch.if.condition.change",
"expression.operation.compare.replace.remove",
"assignment.replace.add",
"misc.typo"
] | 551,612
| 551,611
|
u961945062
|
python
|
p02761
|
n,m = map(int,input().split())
sc = [list(map(int,input().split())) for _ in range(m)]
if n == 1:
for x in range(10):
xs = str(x)
for i in range(m):
if xs[sc[i][0]-1] != sc[i][1]:
break
else:
print(x)
break
else:
print(-1)
elif n == 2:
for x in range(10,100):
xs = str(x)
for i in range(m):
if xs[sc[i][0]-1] != sc[i][1]:
break
else:
print(x)
break
else:
print(-1)
else:
for x in range(100,1000):
xs = str(x)
for i in range(m):
if int(xs[sc[i][0]-1]) != sc[i][1]:
break
else:
print(x)
break
else:
print(-1)
|
n,m = map(int,input().split())
sc = [list(map(int,input().split())) for _ in range(m)]
if n == 1:
for x in range(10):
xs = str(x)
for i in range(m):
if int(xs[sc[i][0]-1]) != sc[i][1]:
break
else:
print(x)
break
else:
print(-1)
elif n == 2:
for x in range(10,100):
xs = str(x)
for i in range(m):
if int(xs[sc[i][0]-1]) != sc[i][1]:
break
else:
print(x)
break
else:
print(-1)
else:
for x in range(100,1000):
xs = str(x)
for i in range(m):
if int(xs[sc[i][0]-1]) != sc[i][1]:
break
else:
print(x)
break
else:
print(-1)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.add"
] | 551,613
| 551,614
|
u020962106
|
python
|
p02761
|
N,M=map(int, input().split())
sc = []
for i in range(m):
sc.append(list(map(int, input().split())))
for i in range(10**N):
ans = str(i)
if len(ans) == N and all(ans[s-1] == str(c) for s,c in sc):
print(ans)
quit()
print(-1)
|
N,M=map(int, input().split())
sc = []
for i in range(M):
sc.append(list(map(int, input().split())))
for i in range(10**N):
ans = str(i)
if len(ans) == N and all(ans[s-1] == str(c) for s,c in sc):
print(ans)
quit()
print(-1)
|
[
"identifier.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 551,628
| 551,629
|
u585348179
|
python
|
p02761
|
N,M=map(int, input().split())
sc = []
for i in range(m):
sc.append(list(map(int, input().split())))
for i in range(10**N):
anc = str(i)
if len(ans) == N and all(ans[s-1] == str(c) for s,c in sc):
print(ans)
quit()
print(-1)
|
N,M=map(int, input().split())
sc = []
for i in range(M):
sc.append(list(map(int, input().split())))
for i in range(10**N):
ans = str(i)
if len(ans) == N and all(ans[s-1] == str(c) for s,c in sc):
print(ans)
quit()
print(-1)
|
[
"identifier.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"assignment.variable.change"
] | 551,630
| 551,629
|
u585348179
|
python
|
p02761
|
# -*- coding: utf-8 -*-
n, m = map(int,input().split())
if n == 1:
ans = -1
if m == 0:
print(0)
exit()
for _ in range(m):
s, c = map(int,input().split())
if ans == -1 or ans == c:
ans = c
else:
ans = -1
print(ans)
else:
ans = [-1 for _ in range(n)]
for _ in range(m):
s, c = map(int,input().split())
if s == 1 and c == 0:
print(-1)
exit()
if ans[s - 1] == -1 or ans[s - 1] == c:
ans[s - 1] = c
else:
print(-1)
exit()
flag = True
for i in range(n):
if ans[i] == -1:
ans[i] = 0
if ans[i] >= 1:
flag = False
if ans[i] == 0 and flag:
ans[i] = 1
for i in range(n):
ans[i] = str(ans[i])
print(''.join(ans))
|
# -*- coding: utf-8 -*-
n, m = map(int,input().split())
if n == 1:
ans = -1
if m == 0:
print(0)
exit()
for _ in range(m):
s, c = map(int,input().split())
if ans == -1 or ans == c:
ans = c
else:
ans = -1
print(ans)
else:
ans = [-1 for _ in range(n)]
for _ in range(m):
s, c = map(int,input().split())
if s == 1 and c == 0:
print(-1)
exit()
if ans[s - 1] == -1 or ans[s - 1] == c:
ans[s - 1] = c
else:
print(-1)
exit()
flag = True
for i in range(n):
if ans[i] == -1:
ans[i] = 0
if ans[i] >= 1:
flag = False
if ans[i] == 0 and flag:
ans[i] = 1
flag = False
for i in range(n):
ans[i] = str(ans[i])
print(''.join(ans))
|
[
"assignment.add"
] | 551,669
| 551,670
|
u977661421
|
python
|
p02761
|
# -*- coding: utf-8 -*-
n, m = map(int,input().split())
sc = []
for i in range(m):
sc.append([int(i) for i in input().split()])
for i in range(700, 710):
tmp = str(i)
if len(tmp) != n:
continue
else:
flag = True
for j in range(m):
if tmp[sc[j][0] - 1] != str(sc[j][1]):
#print(i, j, 'B')
flag = False
if flag:
print(i)
exit()
print(-1)
|
# -*- coding: utf-8 -*-
n, m = map(int,input().split())
sc = []
for i in range(m):
sc.append([int(i) for i in input().split()])
for i in range(0, 1000):
tmp = str(i)
if len(tmp) != n:
continue
else:
flag = True
for j in range(m):
if tmp[sc[j][0] - 1] != str(sc[j][1]):
#print(i, j, 'B')
flag = False
if flag:
print(i)
exit()
print(-1)
|
[
"literal.number.integer.change",
"call.arguments.change",
"control_flow.loop.range.bounds.lower.change",
"control_flow.loop.range.bounds.upper.change"
] | 551,671
| 551,672
|
u977661421
|
python
|
p02761
|
from itertools import permutations
import sys
sys.setrecursionlimit(10 ** 6)
from bisect import *
from collections import *
from heapq import *
def II(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def SI(): return sys.stdin.readline()[:-1]
def LLI(rows_number): return [LI() for _ in range(rows_number)]
int1 = lambda x: int(x) - 1
def MI1(): return map(int1, sys.stdin.readline().split())
def LI1(): return list(map(int1, sys.stdin.readline().split()))
p2D = lambda x: print(*x, sep="\n")
dij = [(1, 0), (0, 1), (-1, 0), (0, -1)]
def main():
def ok(a):
t=str(a)
for c,d in zip(t,dd):
if d!=-1 and int(c)!=d:return False
return True
n,m=MI()
dd=[-1]*n
for _ in range(m):
s,c=MI()
if dd[s-1]!=-1 and dd[s-1]!=c:
print(-1)
exit()
dd[s-1]=c
if n==1 and dd[0]==0:
print(0)
exit()
for a in range(10**(n-1),10**n):
if ok(a):
print(a)
exit()
print(-1)
main()
|
from itertools import permutations
import sys
sys.setrecursionlimit(10 ** 6)
from bisect import *
from collections import *
from heapq import *
def II(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def SI(): return sys.stdin.readline()[:-1]
def LLI(rows_number): return [LI() for _ in range(rows_number)]
int1 = lambda x: int(x) - 1
def MI1(): return map(int1, sys.stdin.readline().split())
def LI1(): return list(map(int1, sys.stdin.readline().split()))
p2D = lambda x: print(*x, sep="\n")
dij = [(1, 0), (0, 1), (-1, 0), (0, -1)]
def main():
def ok(a):
t=str(a)
for c,d in zip(t,dd):
if d!=-1 and int(c)!=d:return False
return True
n,m=MI()
dd=[-1]*n
for _ in range(m):
s,c=MI()
if dd[s-1]!=-1 and dd[s-1]!=c:
print(-1)
exit()
dd[s-1]=c
if n==1 and dd[0]<1:
print(0)
exit()
for a in range(10**(n-1),10**n):
if ok(a):
print(a)
exit()
print(-1)
main()
|
[] | 551,683
| 551,684
|
u353797797
|
python
|
p02761
|
n, m = map(int, input().split())
nums = []
for i in range(1, 1000):
if len(str(i)) == n:
nums.append(i)
for _ in range(m):
s, c = map(int, input().split())
next_nums = []
for a in nums:
if int(str(a)[s - 1]) == c:
next_nums.append(a)
nums = next_nums
print(nums[0] if nums else -1)
|
n, m = map(int, input().split())
nums = []
for i in range(1000):
if len(str(i)) == n:
nums.append(i)
for _ in range(m):
s, c = map(int, input().split())
next_nums = []
for a in nums:
if int(str(a)[s - 1]) == c:
next_nums.append(a)
nums = next_nums
print(nums[0] if nums else -1)
|
[
"call.arguments.change"
] | 551,702
| 551,703
|
u803617136
|
python
|
p02761
|
n, m = map(int, input().split())
sc = [list(map(int, input().split())) for i in range(m)]
ans = -1
for i in range(1, 1000):
can = 1
t = str(i)
if len(t)!=n: continue
for s,c in sc:
if int(t[s-1])!=c: can = 0
if can:
ans = i
break
if ans<0: print(-1)
else: print(ans)
|
n, m = map(int, input().split())
sc = [list(map(int, input().split())) for i in range(m)]
ans = -1
for i in range(1000):
can = 1
t = str(i)
if len(t)!=n: continue
for s,c in sc:
if int(t[s-1])!=c: can = 0
if can:
ans = i
break
if ans<0: print(-1)
else: print(ans)
|
[
"call.arguments.change"
] | 551,712
| 551,713
|
u242031676
|
python
|
p02761
|
n,m = map(int,input().split())
ans = []
for i in range(n):
ans.append(0)
for k in range(m):
s,c = map(int,input().split())
if c == 0:
c = 10
if ans[s-1] == 0 or ans[s-1] == c:
ans[s-1] = c
else:
print('-1')
exit()
if n != 0:
if ans[0] == 10:
print('-1')
exit()
ans = [str(s) for s in ans]
if n != 0:
if ans[0] == "0":
ans[0] = "1"
ans = [s.replace("10","0") for s in ans]
print("".join(ans))
|
n,m = map(int,input().split())
ans = []
for i in range(n):
ans.append(0)
for k in range(m):
s,c = map(int,input().split())
if c == 0:
c = 10
if ans[s-1] == 0 or ans[s-1] == c:
ans[s-1] = c
else:
print('-1')
exit()
if n != 1:
if ans[0] == 10:
print('-1')
exit()
ans = [str(s) for s in ans]
if n != 1:
if ans[0] == "0":
ans[0] = "1"
ans = [s.replace("10","0") for s in ans]
print("".join(ans))
|
[
"literal.number.integer.change",
"control_flow.branch.if.condition.change"
] | 551,724
| 551,725
|
u201928947
|
python
|
p02761
|
n,m = map(int,input().split())
ans = []
for i in range(n):
ans.append(0)
for k in range(m):
s,c = map(int,input().split())
if c == 0:
c = 10
if ans[s-1] == 0 or ans[s-1] == c:
ans[s-1] = c
else:
print('-1')
exit()
if n != 0:
if ans[0] == 10:
print('-1')
exit()
ans = [str(s) for s in ans]
print(ans)
if n != 0:
if ans[0] == "0":
ans[0] = "1"
ans = [s.replace("10","0") for s in ans]
print("".join(ans))
|
n,m = map(int,input().split())
ans = []
for i in range(n):
ans.append(0)
for k in range(m):
s,c = map(int,input().split())
if c == 0:
c = 10
if ans[s-1] == 0 or ans[s-1] == c:
ans[s-1] = c
else:
print('-1')
exit()
if n != 1:
if ans[0] == 10:
print('-1')
exit()
ans = [str(s) for s in ans]
if n != 1:
if ans[0] == "0":
ans[0] = "1"
ans = [s.replace("10","0") for s in ans]
print("".join(ans))
|
[
"literal.number.integer.change",
"control_flow.branch.if.condition.change",
"call.remove"
] | 551,726
| 551,725
|
u201928947
|
python
|
p02761
|
n,m = map(int,input().split())
a = [-1]*n
l = list(list(map(int,input().split())) for i in range(m))
if n ==1 and all(s==1 and t==0 for s,t in l):
print(0)
for j in l:
s,c = j
if s==1 and c ==0:
print(-1)
break
if a[s-1]!=-1 and a[s-1]!=c:
print(-1)
break
if a[s-1]==-1:
a[s-1]=c
else:
if a[0]==-1:
a[0]=1
for j in range(n):
if a[j]==-1:
a[j]=0
print(*a,sep="")
|
n,m = map(int,input().split())
a = [-1]*n
l = list(list(map(int,input().split())) for i in range(m))
if n==1 and all(a==1 and b==0 for a,b in l):
print(0)
else:
for j in l:
s,c = j
if s==1 and c ==0:
print(-1)
break
if a[s-1]!=-1 and a[s-1]!=c:
print(-1)
break
if a[s-1]==-1:
a[s-1]=c
else:
if a[0]==-1:
a[0]=1
for j in range(n):
if a[j]==-1:
a[j]=0
print(*a,sep="")
|
[
"identifier.change",
"control_flow.branch.if.condition.change"
] | 551,746
| 551,747
|
u288430479
|
python
|
p02761
|
N, M = map(int, input().split())
query = [list(input().split()) for _ in range(M)]
for num in range(10**N):
if len(str(num)) != N:
continue
else:
cnt = 0
s = str(num)
for sc in query:
if s[int(sc[0])-1] == sc[1]:
cnt += 1
if cnt == M:
ans = num
break
print(ans)
|
N, M = map(int, input().split())
query = [list(input().split()) for _ in range(M)]
ans = -1
for num in range(10**N):
if len(str(num)) != N:
continue
else:
cnt = 0
s = str(num)
for sc in query:
if s[int(sc[0])-1] == sc[1]:
cnt += 1
if cnt == M:
ans = num
break
print(ans)
|
[
"assignment.add"
] | 551,762
| 551,763
|
u931462344
|
python
|
p02761
|
N,M=map(int,input().split())
rest=[[] for _ in range(N)]
r2=[]
end=0
flag=0
buf=""
ans=float("inf")
end=0
for i in range(M):
s,c=map(int,input().split())
if len(rest[s-1])==0:
rest[s-1].append(c)
elif rest[s-1].count(c)==0:
end=1
break
#print(rest)
if N == 1:
l=range(0,10**N,1)
else:
l=range(10**(N-1),10**N,1)
if end!=1:
for i in l:
buf=str(i)
#print(i)
for j in range(N):
if len(rest[j])==1:
if buf[j]!=str(rest[j][0]):
fail=1
break
if fail==0:
ans=i
flag=1
break
fail=0
if (flag==1):
print(ans)
else:
print("-1")
|
N,M=map(int,input().split())
rest=[[] for _ in range(N)]
r2=[]
end=0
flag=0
buf=""
ans=float("inf")
end=0
for i in range(M):
s,c=map(int,input().split())
if len(rest[s-1])==0:
rest[s-1].append(c)
elif rest[s-1].count(c)==0:
end=1
break
#print(rest)
if N == 1:
l=range(0,10**N,1)
else:
l=range(10**(N-1),10**N,1)
fail=0
if end!=1:
for i in l:
buf=str(i)
#print(i)
for j in range(N):
if len(rest[j])==1:
if buf[j]!=str(rest[j][0]):
fail=1
break
if fail==0:
ans=i
flag=1
break
fail=0
if (flag==1):
print(ans)
else:
print("-1")
|
[
"assignment.add"
] | 551,764
| 551,765
|
u995004106
|
python
|
p02761
|
N, M = map(int, input().split())
P = [list(map(int,input().split())) for i in range(M)]
ans = -1
for x in range(700, 704):
if len(str(x)) != N:
continue
else:
count = 0
s = str(x)
for p in P:
if int(s[int(p[0]) - 1]) == p[1]:
count += 1
if count == M:
ans = x
break
print(ans)
|
N, M = map(int, input().split())
P = [list(map(int,input().split())) for i in range(M)]
ans = -1
for x in range(1000):
if len(str(x)) != N:
continue
else:
count = 0
s = str(x)
for p in P:
if int(s[int(p[0]) - 1]) == p[1]:
count += 1
if count == M:
ans = x
break
print(ans)
|
[
"literal.number.integer.change",
"call.arguments.change",
"control_flow.loop.range.bounds.lower.change"
] | 551,766
| 551,767
|
u751717561
|
python
|
p02761
|
n, m = map(int, input().split())
lis = [list(map(int, input().split())) for _ in range(m)]
ans = -1
for i in range(1000):
if len(str(i)) != n:
continue
else:
s = 0
for j in lis:
if str(i)[j[0]-1] == str(j[1]):
s += 1
print(s)
if s == m:
ans = i
break
print(ans)
|
n, m = map(int, input().split())
lis = [list(map(int, input().split())) for _ in range(m)]
ans = -1
for i in range(1000):
if len(str(i)) != n:
continue
else:
s = 0
for j in lis:
if str(i)[j[0]-1] == str(j[1]):
s += 1
if s == m:
ans = i
break
print(ans)
|
[
"call.remove"
] | 551,775
| 551,776
|
u857293613
|
python
|
p02761
|
N,M = map(int,input().split())
if N == 1:
ans = [0]
else:
ans = [1]
mark = [0]
for _ in range(N-1):
ans.append(0)
mark.append(0)
for _ in range(M):
s,c = map(int,input().split())
if s == 1 and c == 0 and N != 1:
print(-1)
exit()
elif mark[s-1] == 1 and ans[s-1] != c:
print(-1)
exit()
else:
ans[s-1] = c
mark[s-1] = 1
if N == 1:
a = ans[0]
if N == 2:
a = ans[0] * 10 + ans[1]
if N == 3:
a = ans[0] * 100 + ans[1] ** 10 + ans[2]
print(a)
|
N,M = map(int,input().split())
if N == 1:
ans = [0]
else:
ans = [1]
mark = [0]
for _ in range(N-1):
ans.append(0)
mark.append(0)
for _ in range(M):
s,c = map(int,input().split())
if s == 1 and c == 0 and N != 1:
print(-1)
exit()
elif mark[s-1] == 1 and ans[s-1] != c:
print(-1)
exit()
else:
ans[s-1] = c
mark[s-1] = 1
if N == 1:
a = ans[0]
if N == 2:
a = ans[0] * 10 + ans[1]
if N == 3:
a = ans[0] * 100 + ans[1] * 10 + ans[2]
print(a)
|
[
"assignment.value.change",
"expression.operation.binary.change"
] | 551,777
| 551,778
|
u699330893
|
python
|
p02761
|
N,M = map(int,input().split())
if N == 1:
ans = [0]
else:
ans = [1]
mark = [0]
for _ in range(N-1):
ans.append(0)
mark.append(0)
for _ in range(M):
s,c = map(int,input().split())
if s == 1 and c == 0:
print(-1)
exit()
elif mark[s-1] == 1 and ans[s-1] != c:
print(-1)
exit()
else:
ans[s-1] = c
mark[s-1] = 1
if N == 1:
a = ans[0]
if N == 2:
a = ans[0] * 10 + ans[1]
if N == 3:
a = ans[0] * 100 + ans[1] ** 10 + ans[2]
print(a)
|
N,M = map(int,input().split())
if N == 1:
ans = [0]
else:
ans = [1]
mark = [0]
for _ in range(N-1):
ans.append(0)
mark.append(0)
for _ in range(M):
s,c = map(int,input().split())
if s == 1 and c == 0 and N != 1:
print(-1)
exit()
elif mark[s-1] == 1 and ans[s-1] != c:
print(-1)
exit()
else:
ans[s-1] = c
mark[s-1] = 1
if N == 1:
a = ans[0]
if N == 2:
a = ans[0] * 10 + ans[1]
if N == 3:
a = ans[0] * 100 + ans[1] * 10 + ans[2]
print(a)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"assignment.value.change",
"expression.operation.binary.change"
] | 551,779
| 551,778
|
u699330893
|
python
|
p02761
|
N, M = map(int, input().split())
SC = []
for _ in range(M):
s, c = map(int, input().split())
SC.append([s, c])
for i in range(1000):
str_i = str(i)
if len(str_i) != N:
break
for sc in SC:
index = sc[0]-1
if len(str_i) != N:
break
if str_i[index] != str(sc[1]):
break
else:
print(i)
exit(0)
print(-1)
|
N, M = map(int, input().split())
SC = []
for _ in range(M):
s, c = map(int, input().split())
SC.append([s, c])
for i in range(1000):
str_i = str(i)
if len(str_i) != N:
continue
for sc in SC:
index = sc[0]-1
if len(str_i) != N:
break
if str_i[index] != str(sc[1]):
break
else:
print(i)
exit(0)
print(-1)
|
[
"control_flow.break.remove",
"control_flow.continue.add"
] | 551,799
| 551,800
|
u189487046
|
python
|
p02761
|
N,M=map(int, input().split())
sc = [tuple(map(int, input().split())) for _ in range(M)]
for n in range(10**(N-1),10**N):
S = str(n)
for s,c in sc:
if S[s-1] != str(c): break
else:
print(n)
exit()
print(-1)
|
N,M=map(int, input().split())
sc = [tuple(map(int, input().split())) for _ in range(M)]
for n in range(10**(N-1) if N>1 else 0,10**N):
S = str(n)
for s,c in sc:
if S[s-1] != str(c): break
else:
print(n)
exit()
print(-1)
|
[
"control_flow.loop.range.bounds.lower.change"
] | 551,815
| 551,816
|
u852690916
|
python
|
p02761
|
N, M = map(int, input().split(" "))
ans = [-1 for i in range(N)]
is_conflict = False
for i in range(M):
s, c = map(int, input().split(" "))
if ans[s - 1] == -1:
ans[s - 1] = c
else:
is_conflict |= (ans[s - 1] != c)
for i in range(N):
if i == 0 and ans[i] == -1:
ans[i] = 1
elif ans[i] == -1:
ans[i] = 0
if len(str(int(''.join([str(a) for a in ans])))) != N or is_conflict:
print(-1)
else:
print(''.join([str(a) for a in ans]))
|
N, M = map(int, input().split(" "))
ans = [-1 for i in range(N)]
is_conflict = False
for i in range(M):
s, c = map(int, input().split(" "))
if ans[s - 1] == -1:
ans[s - 1] = c
else:
is_conflict |= (ans[s - 1] != c)
for i in range(N):
if i == 0 and ans[i] == -1 and N > 1:
ans[i] = 1
elif ans[i] == -1:
ans[i] = 0
if len(str(int(''.join([str(a) for a in ans])))) != N or is_conflict:
print(-1)
else:
print(''.join([str(a) for a in ans]))
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,831
| 551,832
|
u198062737
|
python
|
p02761
|
N,M = map(int,input().split())
values = []
for i in range(N):
values.append([])
for i in range(M):
s,c = map(int,input().split())
values[s-1].append(c)
for i in values:
if len(set(i)) >= 2:
print(-1)
exit()
if values[0] == list():
values[0].append(1)
for i in range(N):
if len(values[i]) == 0:
values[i].append(0)
for i in range(1000):
i = [int(j) for j in list(str(i))]
if len(i) != N:
continue
if N==3:
if i[0] in values[0] and i[1] in values[1] and i[2] in values[2]:
print("".join([str(j) for j in i]))
exit()
elif N==2:
if i[0] in values[0] and i[1] in values[1]:
print("".join([str(j) for j in i]))
exit()
else:
if i[0] in values[0]:
print("".join([str(j) for j in i]))
exit()
print(-1)
|
N,M = map(int,input().split())
values = []
for i in range(N):
values.append([])
for i in range(M):
s,c = map(int,input().split())
values[s-1].append(c)
#同じ桁に2つ以上候補があるなら-1
for i in values:
if len(set(i)) >= 2:
print(-1)
exit()
#最上位桁に候補がないときは1を補う
if values[0] == list():
if N != 1:
values[0].append(1)
#候補がない桁は0を補う
for i in range(N):
if len(values[i]) == 0:
values[i].append(0)
#探索
for i in range(1000):
i = [int(j) for j in list(str(i))]
if len(i) != N:
continue
if N==3:
if i[0] in values[0] and i[1] in values[1] and i[2] in values[2]:
print("".join([str(j) for j in i]))
exit()
elif N==2:
if i[0] in values[0] and i[1] in values[1]:
print("".join([str(j) for j in i]))
exit()
else:
if i[0] in values[0]:
print("".join([str(j) for j in i]))
exit()
print(-1)
|
[
"control_flow.branch.if.add"
] | 551,835
| 551,836
|
u267300160
|
python
|
p02761
|
n, m = map(int,input().split())
arr = [list(map(int,input().split())) for _ in range(m)]
if n == 1:
for i in range(10):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
break
else:
print(-1)
else:
for i in range(10**(n-1),10**n):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
break
else:
print(-1)
|
n, m = map(int,input().split())
arr = [list(map(int,input().split())) for _ in range(m)]
if n == 1:
for i in range(10):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
exit()
print(-1)
else:
for i in range(10**(n-1),10**n):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
exit()
print(-1)
|
[] | 551,851
| 551,852
|
u270144704
|
python
|
p02761
|
n, m = map(int,input().split())
arr = [list(map(int,input().split())) for _ in range(m)]
if n == 1:
for i in range(10):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
break
else:
print(-1)
else:
for i in range(10**(n-1),10**n):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
break
else:
print(-1)
|
n, m = map(int,input().split())
arr = [list(map(int,input().split())) for _ in range(m)]
if n == 1:
for i in range(10):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
exit()
print(-1)
else:
for i in range(10**(n-1),10**n):
tmp = str(i)
flag = True
for j in range(m):
if tmp[arr[j][0]-1] != str(arr[j][1]):
flag = False
if flag:
print(i)
exit()
print(-1)
|
[] | 551,853
| 551,852
|
u270144704
|
python
|
p02761
|
n,m = map(int,input().split())
sc = [list(map(int,input().split())) for i in range(m)]
anslist = []
for i in range(10**n):
for j in range(len(sc)):
k = sc[j][0]
if len(str(i)) != n or str(i)[k-1] != str(sc[j][1]):
break
else:
anslist.append(i)
if anslist:
if anslist[0] == 0 and n != 1:
print(-1)
else:print(anslist[0])
else:print(-1)
|
n,m = map(int,input().split())
sc = [list(map(int,input().split())) for i in range(m)]
anslist = []
for i in range(10**n):
for j in range(len(sc)):
k = sc[j][0]
if len(str(i)) != n or str(i)[k-1] != str(sc[j][1]):
break
else:
anslist.append(i)
if anslist:
if anslist[0] == 0 and n != 1:
print(10**(n-1))
else:print(anslist[0])
else:print(-1)
|
[
"call.arguments.change"
] | 551,854
| 551,855
|
u366369712
|
python
|
p02761
|
n,m=map(int,input().split())
s,c=[],[]
for i in range(m):
S,C=map(int,input().split())
s.append(S-1)
c.append(str(C))
if n==3:
st,ed=100,1000
elif n==2:
st,ed=10,100
else:
st,ed=1,10
ans=-1
for t in range(st,ed):
t_=list(str(t))
for j in range (m):
if t_[s[j]]!=c[j]:
break
else:
ans=t
break
print(ans)
|
n,m=map(int,input().split())
s,c=[],[]
for i in range(m):
S,C=map(int,input().split())
s.append(S-1)
c.append(str(C))
if n==3:
st,ed=100,1000
elif n==2:
st,ed=10,100
else:
st,ed=0,10
ans=-1
for t in range(st,ed):
t_=list(str(t))
for j in range (m):
if t_[s[j]]!=c[j]:
break
else:
ans=t
break
print(ans)
|
[
"literal.number.integer.change",
"assignment.value.change"
] | 551,889
| 551,890
|
u214344212
|
python
|
p02761
|
def solution():
n, m = map(int, input().split())
cs = [list(map(int, input().split())) for i in range(m)]
if m == 0:
if n > 1:
print(10**n)
else:
print("0")
return
ans = [-1 for i in range(n)]
for w in cs:
s, c = w[0], w[1]
if (s == 1) and (c == 0) and (n > 1):
print('-1')
return
if ans[s-1] == -1:
ans[s-1] = c
elif ans[s-1] != c:
print('-1')
return
ansb = [str(i) if i != -1 else str(0) for i in ans]
if (ansb[0] == '0') and (len(ansb) > 1):
ansb[0] = '1'
anss = ''
for s in ansb:
anss = anss + s
print(anss)
solution()
|
def solution():
n, m = map(int, input().split())
cs = [list(map(int, input().split())) for i in range(m)]
if m == 0:
if n > 1:
print(10**(n-1))
else:
print("0")
return
ans = [-1 for i in range(n)]
for w in cs:
s, c = w[0], w[1]
if (s == 1) and (c == 0) and (n > 1):
print('-1')
return
if ans[s-1] == -1:
ans[s-1] = c
elif ans[s-1] != c:
print('-1')
return
ansb = [str(i) if i != -1 else str(0) for i in ans]
if (ansb[0] == '0') and (len(ansb) > 1):
ansb[0] = '1'
anss = ''
for s in ansb:
anss = anss + s
print(anss)
solution()
|
[
"call.arguments.change"
] | 551,894
| 551,895
|
u305388378
|
python
|
p02761
|
n,m=map(int,input().split())
a=[]
for _ in range(m):
s,c=map(int,input().split())
a.append((s-1,c))
for i in range(1,1001):
r=str(i)
j=1
if len(r)==n:
for idx,char in a:
if r[idx]!=str(char):
j=0
break
if j:
print(r)
exit()
print(-1)
|
n,m=map(int,input().split())
a=[]
for _ in range(m):
s,c=map(int,input().split())
a.append((s-1,c))
for i in range(0,1001):
r=str(i)
j=1
if len(r)==n:
for idx,char in a:
if r[idx]!=str(char):
j=0
break
if j:
print(r)
exit()
print(-1)
|
[
"literal.number.integer.change",
"call.arguments.change",
"control_flow.loop.range.bounds.lower.change"
] | 551,901
| 551,902
|
u559936438
|
python
|
p02761
|
N, M = map(int, input().split())
sc = [list(map(int, input().split())) for _ in range(M)]
ans = [-1] * N
for i in range(M):
s = sc[i][0] - 1
c = sc[i][1]
if ans[s] is -1:
ans[s] = c
elif not ans[s] == c:
print(-1)
exit()
if N!=1 and ans[0] == 0:
print(-1)
exit()
a = 0
for i in range(N):
if ans[i] is -1:
if i == 0:
ans[i] = 1
else:
ans[i] = 0
a += ans[i]*10**(N-i-1)
print(a)
|
N, M = map(int, input().split())
sc = [list(map(int, input().split())) for _ in range(M)]
ans = [-1] * N
for i in range(M):
s = sc[i][0] - 1
c = sc[i][1]
if ans[s] is -1:
ans[s] = c
elif not ans[s] == c:
print(-1)
exit()
if N!=1 and ans[0] == 0:
print(-1)
exit()
a = 0
for i in range(N):
if ans[i] is -1:
if i == 0 and N!= 1:
ans[i] = 1
else:
ans[i] = 0
a += ans[i]*10**(N-i-1)
print(a)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 551,916
| 551,917
|
u783459736
|
python
|
p02761
|
# C - Guess The Number
N, M = map(int, input().split())
S = []
C = []
for _ in range(M):
s, c = map(int, input().split())
S.append(s)
C.append(c)
mi = 0
if N > 0:
mi = 10**(N-1)
ans = -1
for i in range(mi, 10**N):
for m in range(M):
if str(i)[S[m]-1]!=str(C[m]):
break
else:
ans = i
break
print(ans)
|
# C - Guess The Number
N, M = map(int, input().split())
S = []
C = []
for _ in range(M):
s, c = map(int, input().split())
S.append(s)
C.append(c)
mi = 0
if N > 1:
mi = 10**(N-1)
ans = -1
for i in range(mi, 10**N):
for m in range(M):
if str(i)[S[m]-1]!=str(C[m]):
break
else:
ans = i
break
print(ans)
|
[
"literal.number.integer.change",
"control_flow.branch.if.condition.change"
] | 551,936
| 551,937
|
u141786930
|
python
|
p02761
|
N, M = map(int, input().split())
ans = -1
S = [0] * M
C = [0] * M
for i in range(M):
S[i], C[i] = map(int, input().split())
def check(x):
if len(str(x)) != N:
return False
for s, c in zip(S, C):
if str(x)[s-1] != str(c):
return False
return True
for i in range(1,10**N):
if check(i):
ans = i
break
print(ans)
|
N, M = map(int, input().split())
ans = -1
S = [0] * M
C = [0] * M
for i in range(M):
S[i], C[i] = map(int, input().split())
def check(x):
if len(str(x)) != N:
return False
for s, c in zip(S, C):
if str(x)[s-1] != str(c):
return False
return True
for i in range(10**N):
if check(i):
ans = i
break
print(ans)
|
[
"call.arguments.change"
] | 551,938
| 551,939
|
u141786930
|
python
|
p02761
|
N, M = map(int, input().split())
ans = -1
S = [0] * M
C = [0] * M
for i in range(M):
S[i], C[i] = map(int, input().split())
def check(x):
if len(str(x)) != N:
return False
for s, c in zip(S, C):
if str(i)[s-1] != str(c):
return False
return True
for i in range(1,10**N):
if check(i):
ans = i
break
print(ans)
|
N, M = map(int, input().split())
ans = -1
S = [0] * M
C = [0] * M
for i in range(M):
S[i], C[i] = map(int, input().split())
def check(x):
if len(str(x)) != N:
return False
for s, c in zip(S, C):
if str(x)[s-1] != str(c):
return False
return True
for i in range(10**N):
if check(i):
ans = i
break
print(ans)
|
[
"identifier.change",
"control_flow.branch.if.condition.change",
"call.arguments.change"
] | 551,940
| 551,939
|
u141786930
|
python
|
p02761
|
N,M=map(int,input().split())
flag=True
ex=[False]*(N)
print(ex)
for i in range(M):
S,C=map(int,input().split())
if ex[S-1]==False or ex[S-1]==str(C):
ex[S-1]=str(C)
else:
flag=False
break
if N>1 and ex[0]==str(0):
flag=False
if flag:
for i in range(N-1):
if ex[i+1]==False:
ex[i+1]='0'
if ex[0]==False and N>1:
ex[0]='1'
elif ex[0]==False:
ex[0]='0'
Ex=''.join(ex)
print(Ex)
else:
print(-1)
|
N,M=map(int,input().split())
flag=True
ex=[False]*(N)
for i in range(M):
S,C=map(int,input().split())
if ex[S-1]==False or ex[S-1]==str(C):
ex[S-1]=str(C)
else:
flag=False
break
if N>1 and ex[0]==str(0):
flag=False
if flag:
for i in range(N-1):
if ex[i+1]==False:
ex[i+1]='0'
if ex[0]==False and N>1:
ex[0]='1'
elif ex[0]==False:
ex[0]='0'
Ex=''.join(ex)
print(Ex)
else:
print(-1)
|
[
"call.remove"
] | 551,947
| 551,948
|
u008079810
|
python
|
p02761
|
N,M=map(int,input().split())
flag=True
ex=[False]*(N)
for i in range(M):
S,C=map(int,input().split())
if ex[S-1]==False or ex[S-1]==str(C):
ex[S-1]=str(C)
else:
flag=False
break
if N>1 and ex[0]==0:
flag=False
if flag:
for i in range(N-1):
if ex[i+1]==False:
ex[i+1]='0'
if ex[0]==False and N>1:
ex[0]='1'
elif ex[0]==False:
ex[0]='0'
Ex=''.join(ex)
print(Ex)
else:
print(-1)
|
N,M=map(int,input().split())
flag=True
ex=[False]*(N)
for i in range(M):
S,C=map(int,input().split())
if ex[S-1]==False or ex[S-1]==str(C):
ex[S-1]=str(C)
else:
flag=False
break
if N>1 and ex[0]==str(0):
flag=False
if flag:
for i in range(N-1):
if ex[i+1]==False:
ex[i+1]='0'
if ex[0]==False and N>1:
ex[0]='1'
elif ex[0]==False:
ex[0]='0'
Ex=''.join(ex)
print(Ex)
else:
print(-1)
|
[
"control_flow.branch.if.condition.change",
"call.add"
] | 551,949
| 551,948
|
u008079810
|
python
|
p02761
|
n, m = map(int, input().split())
s = []
c = []
for i in range(m):
S, C = map(int, input().split())
s.append(S-1)
c.append(str(C))
ans = -1
if n == 3:
st, ed = 100, 1000
elif n == 2:
st, ed = 10, 100
else:
st, ed = -1, 9
for i in range(st, ed):
t = list(str(i))
for j in range(m):
if t[s[j]] != c[j]:
break
else:
ans = i
break
print(ans)
|
n, m = map(int, input().split())
s = []
c = []
for i in range(m):
S, C = map(int, input().split())
s.append(S-1)
c.append(str(C))
ans = -1
if n == 3:
st, ed = 100, 1000
elif n == 2:
st, ed = 10, 100
else:
st, ed = 0, 10
for i in range(st, ed):
t = list(str(i))
for j in range(m):
if t[s[j]] != c[j]:
break
else:
ans = i
break
print(ans)
|
[
"assignment.value.change",
"expression.operation.unary.remove",
"literal.number.integer.change"
] | 551,950
| 551,951
|
u441599836
|
python
|
p02761
|
n, m = map(int, input().split())
s = []
c = []
for i in range(m):
S, C = map(int, input().split())
s.append(S-1)
c.append(str(C))
ans = -1
if n == 3:
st, ed = 100, 1000
elif n == 2:
st, ed = 10, 100
else:
st, ed = 0, 9
for i in range(700, ed):
t = list(str(i))
for j in range(m):
if t[s[j]] != c[j]:
break
else:
ans = i
break
print(ans)
|
n, m = map(int, input().split())
s = []
c = []
for i in range(m):
S, C = map(int, input().split())
s.append(S-1)
c.append(str(C))
ans = -1
if n == 3:
st, ed = 100, 1000
elif n == 2:
st, ed = 10, 100
else:
st, ed = 0, 10
for i in range(st, ed):
t = list(str(i))
for j in range(m):
if t[s[j]] != c[j]:
break
else:
ans = i
break
print(ans)
|
[
"literal.number.integer.change",
"assignment.value.change",
"identifier.replace.add",
"literal.replace.remove",
"call.arguments.change",
"control_flow.loop.range.bounds.lower.change"
] | 551,953
| 551,951
|
u441599836
|
python
|
p02761
|
N, M = map(int, input().split())
A = [str(i) for i in range(1 * 10 ** (N - 1), 1 * 10 ** N)]
if N == 1:
A.append('0')
for i in range(M):
t = list(map(int, input().split()))
A = [A[j] for j in range(len(A)) if int(A[j][t[0] - 1]) == t[1]]
print(-1 if not A == True else min(A))
|
N, M = map(int, input().split())
A = [str(i) for i in range(1 * 10 ** (N - 1), 1 * 10 ** N)]
if N == 1:
A.append('0')
for i in range(M):
t = list(map(int, input().split()))
A = [A[j] for j in range(len(A)) if int(A[j][t[0] - 1]) == t[1]]
print(-1 if (not A) == True else min(A))
|
[
"call.arguments.change"
] | 551,956
| 551,957
|
u865383026
|
python
|
p02761
|
N, M = map(int, input().split())
sc = [list(map(int, input().split())) for _ in range(M)]
for i in range(1, 1000):
flag = True
i = str(i)
if len(i) != N:
continue
for s, c in sc:
if int(i[s-1]) != c:
flag = False
break
if flag:
print(int(i))
exit()
print(-1)
|
N, M = map(int, input().split())
sc = [list(map(int, input().split())) for _ in range(M)]
for i in range(1000):
flag = True
i = str(i)
if len(i) != N:
continue
for s, c in sc:
if int(i[s-1]) != c:
flag = False
break
if flag:
print(int(i))
exit()
print(-1)
|
[
"call.arguments.change"
] | 551,971
| 551,972
|
u896726004
|
python
|
p02761
|
N, M = [int(i) for i in input().split()]
s = [0] * M
c = [0] * M
for i in range(M):
s[i], c[i] = map(int, input().split())
ans = 1000
for i in range(1000):
S = str(i)
if len(S) != N:
continue
is_ok = True
for j in range(M):
if S[s[j]-1] != c[j]:
is_ok = False
if is_ok:
ans = min(ans, i)
if ans == 1000:
print(-1)
else:
print(ans)
|
N, M = [int(i) for i in input().split()]
s = [0] * M
c = [0] * M
for i in range(M):
s[i], c[i] = map(int, input().split())
ans = 1000
for i in range(1000):
S = str(i)
if len(S) != N:
continue
is_ok = True
for j in range(M):
if S[s[j]-1] != str(c[j]):
is_ok = False
if is_ok:
ans = min(ans, i)
if ans == 1000:
print(-1)
else:
print(ans)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.add"
] | 551,984
| 551,985
|
u934442292
|
python
|
p02761
|
N, M = [int(i) for i in input().split()]
s = [0] * M
c = [0] * M
for i in range(M):
s[i], c[i] = map(int, input().split())
ans = 1000
for i in range(1000):
S = str(i)
if len(S) != N:
continue
is_ok = True
for j in range(M):
if S[s[j]] != c[j]:
is_ok = False
if is_ok:
ans = min(ans, i)
if ans == 1000:
print(-1)
else:
print(ans)
|
N, M = [int(i) for i in input().split()]
s = [0] * M
c = [0] * M
for i in range(M):
s[i], c[i] = map(int, input().split())
ans = 1000
for i in range(1000):
S = str(i)
if len(S) != N:
continue
is_ok = True
for j in range(M):
if S[s[j]-1] != str(c[j]):
is_ok = False
if is_ok:
ans = min(ans, i)
if ans == 1000:
print(-1)
else:
print(ans)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"misc.off_by_one",
"call.add"
] | 551,986
| 551,985
|
u934442292
|
python
|
p02761
|
N, M = [int(i) for i in input().split()]
s = [0] * M
c = [0] * M
for i in range(N):
s[i], c[i] = map(int, input().split())
ans = 1000
for i in range(1000):
S = str(i)
if len(S) != N:
continue
is_ok = True
for j in range(M):
if S[s[j]] != c[j]:
is_ok = False
if is_ok:
ans = min(ans, i)
if ans == 1000:
print(-1)
else:
print(ans)
|
N, M = [int(i) for i in input().split()]
s = [0] * M
c = [0] * M
for i in range(M):
s[i], c[i] = map(int, input().split())
ans = 1000
for i in range(1000):
S = str(i)
if len(S) != N:
continue
is_ok = True
for j in range(M):
if S[s[j]-1] != str(c[j]):
is_ok = False
if is_ok:
ans = min(ans, i)
if ans == 1000:
print(-1)
else:
print(ans)
|
[
"identifier.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"misc.off_by_one",
"call.add"
] | 551,987
| 551,985
|
u934442292
|
python
|
p02761
|
n,m=map(int,input().split())
s=[]
c=[]
for i in range(m):
st,ct=map(int,input().split())
s.append(st)
c.append(ct)
ans=[[0,0] for i in range(n)]
for i in range(m):
if s[i]==1 and c[i]==0 and n>=2:
print(-1)
exit()
if ans[s[i]-1][1]==0:
ans[s[i]-1][0]=c[i]
ans[s[i]-1][1]=1
else:
if ans[s[i]-1][0] != c[i]:
print(-1)
exit()
if ans[0][0]==0 and n>=2:
ans[0][0]=1
ansn=0
for i in range(n):
ansn+=ansn[i][0]*10**(n-i-1)
print(ansn)
|
n,m=map(int,input().split())
s=[]
c=[]
for i in range(m):
st,ct=map(int,input().split())
s.append(st)
c.append(ct)
ans=[[0,0] for i in range(n)]
for i in range(m):
if s[i]==1 and c[i]==0 and n>=2:
print(-1)
exit()
if ans[s[i]-1][1]==0:
ans[s[i]-1][0]=c[i]
ans[s[i]-1][1]=1
else:
if ans[s[i]-1][0] != c[i]:
print(-1)
exit()
if ans[0][0]==0 and n>=2:
ans[0][0]=1
ansn=0
for i in range(n):
ansn+=ans[i][0]*10**(n-i-1)
print(ansn)
|
[
"identifier.change",
"expression.operation.binary.change"
] | 551,998
| 551,999
|
u016901717
|
python
|
p02761
|
N, M = map(int,input().split())
S = []
for i in range(M):
s = tuple(map(int,input().split()))
S.append(s)
ans = [-1 for _ in range(N)]
for x in S:
if ans[x[0]-1] == -1 or ans[x[0]-1] == x[1]:
ans[x[0]-1] = x[1]
else:
print(-1)
exit()
if N > 1 and ans[0] == 0:
print(-1)
exit()
if N == 1 and M == 0:
print(0)
for i in range(N):
if ans[i] == -1:
if i == 0:
print('1',end='')
else:
print('0',end='')
else:
print(ans[i],end='')
print()
|
N, M = map(int,input().split())
S = []
for i in range(M):
s = tuple(map(int,input().split()))
S.append(s)
ans = [-1 for _ in range(N)]
for x in S:
if ans[x[0]-1] == -1 or ans[x[0]-1] == x[1]:
ans[x[0]-1] = x[1]
else:
print(-1)
exit()
if N > 1 and ans[0] == 0:
print(-1)
exit()
if N == 1 and M == 0:
print(0)
exit()
for i in range(N):
if ans[i] == -1:
if i == 0:
print('1',end='')
else:
print('0',end='')
else:
print(ans[i],end='')
print()
|
[
"call.add"
] | 552,027
| 552,028
|
u020604402
|
python
|
p02761
|
N , M = map(int,input().split())
L = []
for _ in range(M):
m = tuple(map(int,input().split()))
L.append(m)
if N == 1:
for ans in range(0,10):
ans = str(ans)
for x in L:
if ans[x[0] - 1] != str(x[1]):
break
else:
eixt()
print(-1)
exit()
else:
for ans in range(10 ** (N - 1),10 ** N ):
ans = str(ans)
for x in L:
if ans[x[0] - 1] != str(x[1]):
break
else:
print(ans)
exit()
print(-1)
exit()
|
N , M = map(int,input().split())
L = []
for _ in range(M):
m = tuple(map(int,input().split()))
L.append(m)
if N == 1:
for ans in range(0,10):
ans = str(ans)
for x in L:
if ans[x[0] - 1] != str(x[1]):
break
else:
print(ans)
exit()
print(-1)
exit()
else:
for ans in range(10 ** (N - 1),10 ** N ):
ans = str(ans)
for x in L:
if ans[x[0] - 1] != str(x[1]):
break
else:
print(ans)
exit()
print(-1)
exit()
|
[
"identifier.change",
"call.function.change",
"call.arguments.add",
"control_flow.exit.add"
] | 552,029
| 552,030
|
u020604402
|
python
|
p02761
|
n, m = map(int, input().split())
s = []
c = []
for i in range(m):
_s, _c = map(int, input().split())
s.append(_s)
c.append(_c)
s = [0, 0, 10, 100]
g = [10, 10, 100, 1000]
for i in range(s[n], g[n]):
i_str = str(i)
for j in range(m):
if i_str[s[j]-1] != str(c[j]):
break
else:
print(i)
break
else:
print(-1)
|
n, m = map(int, input().split())
s = []
c = []
for i in range(m):
_s, _c = map(int, input().split())
s.append(_s)
c.append(_c)
st = [0, 0, 10, 100]
go = [10, 10, 100, 1000]
for i in range(st[n], go[n]):
i_str = str(i)
for j in range(m):
if i_str[s[j]-1] != str(c[j]):
break
else:
print(i)
break
else:
print(-1)
|
[
"assignment.variable.change",
"identifier.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 552,033
| 552,034
|
u036340997
|
python
|
p02761
|
n,m = map(int,input().split())
ans = ["-1"]*n
for _ in range(m):
s,c = input().split()
s = int(s)-1
if ans[s] != "-1" and ans[s] != c:
print(-1)
exit()
ans[s] = c
if n != 1 and ans[0] == "0":
print(-1)
exit()
for i in range(n):
if ans[i] == "-1":
ans[i] = "0" if i != 0 else "1"
print("".join(ans))
|
n,m = map(int,input().split())
ans = ["-1"]*n
for _ in range(m):
s,c = input().split()
s = int(s)-1
if ans[s] != "-1" and ans[s] != c:
print(-1)
exit()
ans[s] = c
if n != 1 and ans[0] == "0":
print(-1)
exit()
for i in range(n):
if ans[i] == "-1":
ans[i] = "0" if i != 0 or n == 1 else "1"
print("".join(ans))
|
[] | 552,039
| 552,040
|
u677121387
|
python
|
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