730 B | 730 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
sys.setrecursionlimit(10**7)
BLANK = " "
#inp = input
inp = lambda : sys.stdin.readline().rstrip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
n, m = mii()
l = [mii() for _ in range(n)]
s = {*[i for i in range(1, n)]}
for i in range(m):
if l[0][i] == 0:
continue
k = {*[j for j in range(1, n) if l[j][i] == 100]}
s = s.intersection(k)
p(1, len(s) + 1)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()