# D. Scott
# CCI - Problem 1.8
# For any 0 value in an M x N matrix, zero out that column and row

M = input("How many rows (M) will your matrix have? ")
N = input("How many columns (N) will your matrix have? ")

count = 0
matrix = []
row = []
rows = []
cols = []
while (count < int(M)*int(N)):
  n=input("Enter an integer: ")
  row.append(int(n))
  count += 1
  if (count != 0 and count % int(N) == 0):
    matrix.append(row)
    row = []

for i in range(0,int(M)):
  print(matrix[i])

for i in range(0,int(M)):
  for j in range(0,int(N)):
    if (matrix[i][j] == 0):
      rows.append(i)
      cols.append(j)

for r in rows:
  for i in range(0,int(N)):
    matrix[r][i] = 0
for c in cols:
  for i in range(0,int(M)):
    matrix[i][c] = 0
print("\nZero Matrix:")
for i in range(0,int(M)):
  print(matrix[i])

# D. Scott
# CCI - Problem 1.8
# For any 0 value in an M x N matrix, zero out that column and row

M = input("How many rows (M) will your matrix have? ")
N = input("How many columns (N) will your matrix have? ")

count = 0
matrix = []
row = []
rows = []
cols = []
while (count < int(M)*int(N)):
  n=input("Enter an integer: ")
  row.append(int(n))
  count += 1
  if (count != 0 and count % int(N) == 0):
    matrix.append(row)
    row = []

for i in range(0,int(M)):
  print(matrix[i])

for i in range(0,int(M)):
  for j in range(0,int(N)):
    if (matrix[i][j] == 0):
      rows.append(i)
      cols.append(j)

for r in rows:
  for i in range(0,int(N)):
    matrix[r][i] = 0
for c in cols:
  for i in range(0,int(M)):
    matrix[i][c] = 0
print("\nZero Matrix:")
for i in range(0,int(M)):
  print(matrix[i])