There are a pair of mice, it produces a pair of mice every one months, small mice in 3 months after adulthood, will produce mice.After 3 years, how many mice will be in total, regardless of mouse death? 1th months after the situation: adult mice: 1 to Newborn mice: 1 to &N Bsp One-month-old rats: 0 pairs Two-month-old mice: 0 pairs 1th months after the total of mice: 2 to 2nd months after the situation: adult mice: 1 to &NB Sp New mouse: 1 to One-month-old mouse: 1 to &NBSP ; Two-month-old mice: 0 pairs 2nd months after the total number of mice: 3 to 3rd months after the situation: adult mice: 1 to &N Bsp Newborn mice: 1 pair One-month-old mouse: 1 to Two-month-old mouse: 1 to 3rd month After a total of mice: 4 to 4th months after the situation: adult mice: 2 to Newborn Mouse: 2 to One-month-old mice: 1 pairs Two-month-old mice: 1 pair 4th month after total mice: 6 to 5th months after condition: adult Rats : 3 to New mouse: 3 to One-month-old mouse: 2 to & nbsp &nbsP Two-month-old mice: 1 pairs 5th months after the total number of mice: 9 to 6th months after the situation: adult mice: 4 to &N Bsp Newborn mice: 4 pair One-month-old mouse: 3 to Two-month-old mouse: 2 to 6th month After a total of mice: 13 to 7th months after the situation: adult mice: 6 to Newborn Mouse: 6 to One-month-old mice: 4 pairs Two-month-old mice: 3 pair 7th month after total mice: 19 to 8th months after condition: adult Mouse: 9 to Newborn Mouse: 9 to One-month-old mouse: 6 to Two-month-old mice: 4 pairs 8th months after the total number of mice: 28 to 9th months after the situation: adult mice: 13 to Newborn mice: 13 to One-month-old mouse: 9 to Two-month-old mouse: 6 pair Total mice after the 9th month: 41 to 10th months after the situation: adult mice: 19 to NEW Raw MICE: 19 pairs &NBsp One-month-old mice: 13 pairs Two-month-old mice: 9 pairs 10th months after the total of mice: 60 to 11th months after the situation: adult mice: 28 to &nbs P New mouse: 28 to One-month-old mouse: 19 to &N Bsp Two-month-old mice: 13 pairs 11th months after the total number of mice: 88 to 12th months after the situation: adult mice: 41 to &NB Sp Newborn mice: 41 pairs One-month-old mice: 28 pairs Two-month-old mice: 19 pairs 12th month after total mice: 129 to 13th Months after: adult mice: 60 to Newborn mice: 60 to One-month-old mouse : 41 pairs Two-month-old mice: 28 pairs 13th month after total mice: 189 to 14th month after situation: adult mice: 88 to &NBS P New mouse: 88 to One-month-old mouse: 60 to Two The Rat of the moon: 41 pairs 14th months after the total of mice: 277 to 15th months after the situation: adult mice: 129 to &NB Sp &nThe newborn mouse: 129 pairs One-month-old mice: 88 pairs Two-month-old mice: 60 pairs 15th month after the mice : 406 to 16th months after the situation: adult mice: 189 to Newborn mice: 189 to &NBSP ; One-month-old rats: 129 pairs Two-month-old mice: 88 pairs 16th months after the total number of mice: 595 to 17th months after the situation: adult mice: 277 pairs new mice: 277 to One-month-old mouse: 189 to & nbsp Two-month-old mice: 129 pairs 17th months after the total number of mice: 872 to 18th months after the situation: adult mice: 406 to Newborn mice: 406 pair One-month-old mouse: 277 to Two-month-old mouse: 189 to 18th After the month a total of mice: 1278 on the 19th month after the situation: adult mice: 595 to Newborn mice: 595 to &nbs P One-month-old mice: 406 pairs Two-month-old mice: 277 pair 19th month after total mice: 1873 to 20th month after situation: Adult mice: 872 pairs &NBsp new mice: 872 to One-month-old mouse: 595 to Two-month-old mouse: 406 to &NB Sp 20th months after a total of mice: 2745 to 21st months after the situation: adult mice: 1278 to Newborn mice: 1278 For One-month-old mice: 872 pairs Two-month-old mice: 595 pair 21st month after the total mouse: 4023 to 22nd months after the situation: Adult mice: 1873 to Newborn mice: 1873 to one-month-old mouse: 1278 to & nbsp Two-month-old mice: 872 pairs 22nd months after the total number of mice: 5896 to 23rd months after the situation: adult mice: 2745 to &NBS P Newborn mice: 2745 pair One-month-old mouse: 1873 to Two-month-old mouse: 1278 to 23rd month after There are mice: 8641 to 24th months after the situation: adult mice: 4023 to Newborn mice: 4023 to &NBSP ; One-month-old mice: 2745 pairs Two-month-old mice: 1873 pairs 24th months after the total number of mice: 12664 to 25th months after the situation: adult mice: 5896 pairs &NBSp New mouse: 5896 to One-month-old mouse: 4023 to Two-month-old mouse: 2745 For Total mice after the 25th month: 18560 to 26th months after the situation: adult mice: 8641 to NEW Raw mice: 8641 pairs One-month-old mice: 5896 pairs Two-month-old mice: 4023 pairs 26th months after the total number of mice: 27201 to 27th months after the situation: Adult mice: 12664 to new mouse: 12664 pair & nbsp One-month-old mice: 8641 pairs Two-month-old mice: 5896 pair 27th month after total mice: 39865 to 28th months after the situation: adult rats : 18560 to New mouse: 18560 to one months old Mice: 12664 pairs Two-month-old mice: 8641 pairs 28th month after total mice: 58425 to 29th month after situation: & nbsp Adult mice: 27201 to New mouse: 27201 to & nbsp Mice with one months old: 18560 pairs of Two-month-old mice: 12664 pairs 29th month after total mice: 85626 to 30th months after the situation: Adult mice: 39865 to New mouse: 39865 to & nbsp One-month-old rats: 27201 pairs Two-month-old mice: 18560 pairs 30th month after the mice : 125491 to 31st months after the situation: adult mice: 58425 to &N BSP, newborn mouse: 58425 pairs One-month-old mice: 39865 pair Two-month-old mouse: 27201 pair Total mice after the 31st month: 183916 to 32nd months after the situation: adult mice: 85626 pair Newborn mice: 85626 to One-month-old mouse: 58425 to &NBS p; two-month-old mice: 39865 pairs 32nd months after the total number of mice: 269542 to 33rd months after the situation: adult mice: 125491 to & nbsp freshmenMice: 125491 pairs One-month-old mice: 85626 to Two-month-old mice: 58425 to &NBS P After the 33rd month, a total of mice: 395033 to 34th months after the situation: adult mice: 183916 to Newborn mice: 183916 pairs One-month-old mice: 125491 to Two-month-old mice: 85626 to 34th months after a total of mice: 578949 to 35th months after the situation: adult mice: 269542 pairs Newborn mice: 269542 pairs One-month-old mice: 183916 to Two-month-old mice: 125491 For Total mice after the 35th month: 848491 to 36th months after the situation: adult mice: 395033 to &NBSP ; Newborn mice: 395033 pairs One-month-old mouse: 269542 to Two-month-old mouse: 183916 pairs 36th months after the total of mice: 1243524 pairs of analysis: This problem with the loop can be used for a long time, but also very good to do, but it will be easier to do with recursion, as long as you find the back of a number with the preceding number of links between the line, The hardest part of the problem is finding the rules,as long as the law found the writing code is just the right thing to do.
public class Test {private static int sum;public static void Main (string[] args) {System.out.println (Fibonacci (36));}private static int Fibonacci (int i) {if (i==0)sum = 2;if (i==1)sum = 2;if (i==2)sum = 3;if (i==3)sum = 4;if (i==4)sum = 6;if (i>=5)sum = Fibonacci (i-2) +fibonacci (i-3) +fibonacci (i-4);return sum;}}
Recursion two: Ask the mouse to give birth to children.