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  1. Prepare
  2. Mathematics
  3. Geometry
  4. Points On a Line
  5. Discussions

Points On a Line

  • hoangziet22
     + 0 comments
    x = []
y = []
n = int(input())
for i in range(n):
    xy = input().split()
    x.append(xy[0])
    y.append(xy[1])
print ("YES" if (len(set(x)) == 1 or len(set(y)) == 1 ) else "NO")