(I7
I125
I148
(dp0
Vline.%l
p1
(Vline.cpp
p2
S'#include<iostream>\r\nusing namespace std;\r\nint main(){\r\nint N;\r\ncin>>N;\r\nfor(int i=1;i<=N;i++){\r\n    if((i*(i+1))/2>=N){\r\n        cout<<i<<endl;\r\n        break;\r\n    }\r\n}\r\n\r\nreturn 0;\r\n}\r\n'
p3
tp4
stp5
.