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nigga____rrrrrrrrrrrrrr
published at 4/27/22, 5:11:57 pm
daha asan yolu var
tooxpert
published at 10/22/22, 2:24:55 pm
second pentagonal numbers
Sayad_Salmanov1
published at 3/9/24, 10:15:49 am
sum=n*(n+1)/2; cout<<3*sum-n;