Editing 0804 - Col Egale

== Rezolvare ==
<syntaxhighlight lang="python" line="1">
m, n = map(int, input().split())

matrix = []
for i in range(m):
    row = list(map(int, input().split()))
    matrix.append(row)

found = False
for j in range(n):
    col = [matrix[i][j] for i in range(m)]
    if len(set(col)) == 1:
        print(col[0], end=' ')
        found = True

if not found:
    print("nu exista")
</syntaxhighlight>