題目鏈接

Java程序

package projecteuler51to60;import java.math.BigInteger; import java.util.Iterator; import java.util.Set; import java.util.TreeSet;class level57{ void solve0(){ /***a a+2b --- -------b a+b ***/int count = 0;BigInteger a=BigInteger.valueOf(3);BigInteger b=BigInteger.valueOf(2);for(int i=0;i<1000;i++){BigInteger tempA =caculateA(a,b);BigInteger tempB =caculateB(a,b);a = tempA;b = tempB;if(a.toString().length()>b.toString().length()){count++;}}System.out.println(count);}BigInteger caculateA(BigInteger a,BigInteger b){BigInteger res = a;res=res.add(b);res=res.add(b);return res;}BigInteger caculateB(BigInteger a,BigInteger b){BigInteger res =a;res = res.add(b);return res;}} public class Problem57 {public static void main(String[] args){long begin= System.currentTimeMillis();new level57().solve0();long end = System.currentTimeMillis();long Time = end - begin;System.out.println("Time:"+Time/1000+"s"+Time%1000+"ms");}}

轉載于:https://www.cnblogs.com/theskulls/p/4716360.html

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