(I7
I97
I148
(dp0
Vline.%l
p1
(Vline.cpp
p2
S'#include <iostream>\r\nusing namespace std;\r\nint main()\r\n{\r\n    long long X, num=0, i=1, r=0;\r\n    cin >> X;\r\n    while (1)\r\n    {\r\n        num+=i;\r\n        i++;\r\n        r++;\r\n        if (num>=X) break;\r\n    }\r\n    cout << r << endl;\r\n    return 0;\r\n}\r\n'
p3
tp4
stp5
.