uva11636

题意:
给出n,有一个句子,用复制黏贴,问要几次能大于等于n;
思路:

大水题,每次乘二就行;

AC:

#include<cstdio>#include<cstring>int n;int main() {int cas = 1;while(scanf("%d",&n) && n >= 0) {int cur = 1;int ans = 0;while(cur < n) {cur *= 2;ans++;}printf("Case %d: %d\n",cas++ ,ans);}return 0;}