UVA 11384 Help is needed for Dexter(构造题)
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这题序列是递增的,出几组数据就很好推出来,剪掉中间的,那么后面的序列长度会和前面序列一样,那么数据范围马上变成1/2了。
//// main.cpp// Richard//// Created by 邵金杰 on 16/9/28.// Copyright © 2016年 邵金杰. All rights reserved.//#include<iostream>#include<cstdio>#include<cstring>#include<algorithm>using namespace std;int f(int n){ return n==1?1:f(n/2)+1;}int main(){ int n; while(scanf("%d",&n)!=EOF) { printf("%d\n",f(n)); } return 0;}
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