/* Keep It Simple! */ #include #include #include #include #include #include #include #include #include using namespace std; #ifndef ONLINE_JUDGE ifstream cin("data.in"); ofstream cout("data.out"); #else #include #endif // ONLINE_JUDGE #define ll long long #define mp make_pair #define fi first #define se second #define pb push_back typedef pair pii; typedef pair pll; int N; long long Sum,ans; void Solve() { cin >> N; for (ans = 1; Sum < N ; Sum+=(1<