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Baek_2580.py
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Baek_2580.py
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import sys
def sd(x,y,z): #x리스트 y행렬 z순번
if z == len(x):
v = []
for i in range(9):
for j in range(9):
if y[i][j] == 0:
v.append([i,j])
if len(v) == 0:
sd(v,y,0)
else:
for i in range(9):
for j in range(9):
print(y[i][j], end = " ")
print()
exit()
for i in range(z, len(x)):
a = {1,2,3,4,5,6,7,8,9}
b = set()
for j in range(9):
b.add(y[x[i][0]][j])
b.add(y[j][x[i][1]])
for j in range(3):
for k in range(3):
b.add(y[3*(x[i][0]//3)+j][3*(x[i][1]//3)+k])
a = list(a-b)
for j in a:
y[x[i][0]][x[i][1]] = j
sd(x,y,z+1)
a = []
b = []
for i in range(9):
a.append(list(map(int, sys.stdin.readline().split())))
for i in range(9):
for j in range(9):
if a[i][j] == 0:
b.append([i,j])
sd(b,a,0)