(I7
I105
I148
(dp0
Vline.%l
p1
(Vline.cpp
p2
S'#include<bits/stdc++.h>\r\nusing namespace std;\r\nint main()\r\n{\r\n long long b;\r\n cin>>b;\r\n long long sb=0,\r\n for(long long i=1;i<=100000;i++)\r\n {\r\n  if(sb>=b) break;\r\n  sb+=i;\r\n }\r\n  cout<<i-1<<endl;\r\n  return 0;\r\n}\r\n\r\n'
p3
tp4
stp5
.