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oh!sorry.I shared wrong link: link is: http://codeforces.me/contest/1041/submission/42953468

Can anyone tell why i am getting runtime error: http://codeforces.me/contest/1041/submission/42953329

i was it in general.in the problem submission i have used long long

can anyone explain what is the difference between k-=k/10 and k-=(int)(0.1*k) where k is an integer