【UVa】11636 - Hello World!
Problem here Solution water water water water ~~~ #include <iostream> using namespace std ; int main(){ int n; int kase = 1 ; while ( cin >> n){ if (n < 0 ) break ; int ans = 1 ; int cnt = 0 ; while (ans < n){ ans = ans * 2 ; cnt++; } cout << "Case " << kase++ << ": " << cnt << endl; } return 0 ; }