python-algorithm
codeforces 231A - Team
무적김두칠
2022. 5. 25. 11:35
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def sol(nums):
if sum(nums)>=2 :
return 1
else :
return 0
n=int(input())
cnt=0
for _ in range(n):
nums=list(map(int,input().split()))
cnt+=sol(nums)
print(cnt)
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