用c语言编:使此组数每行4列显示出来.1 1 2 3 5 8 13 21…谢谢

2025-02-22 23:28:45
推荐回答(2个)
回答1:

#incude
void main()
{int f1,f2,f3;
int i;
f1=f2=1;
printf("\n%5d%5d",f1,f2);
for(i=3;i<=100;i++);
{f3=f1+f2;
printf("%5d",f3);
f1=f2,f2=f3;
if(i%4==0)
printf("\n");
}
}

回答2:

【C语言程序】

#incude

#define MAX_NUM 100

main()
{
long fib[MAX_NUM] = {1,1};
int i;

for(i=2;i {
fib[i] = fib[i-1]+fib[i-2];
}

for(i=0;i {
printf("F%d==%d\n", i, fib);
}
return 0;
}

1 1
2 1
3 2
4 3
5 5
6 8
7 13
8 21
9 34
10 55
11 89
12 144
13 233
14 377
15 610
16 987
17 1597
18 2584
19 4181
20 6765
21 10946
22 17711
23 28657
24 46368
25 75025
26 121393
27 196418
28 317811
29 514229
30 832040
31 1346269
32 2178309
33 3524578
34 5702887
35 9227465
36 14930352
37 24157817
38 39088169
39 63245986
40 102334155
41 165580141
42 267914296
43 433494437
44 701408733
45 1134903170
46 1836311903
47 2971215073
48 4807526976
49 7778742049
50 12586269025
51 20365011074
52 32951280099
53 53316291173
54 86267571272
55 139583862445
56 225851433717
57 365435296162
58 591286729879
59 956722026041
60 1548008755920
61 2504730781961
62 4052739537881
63 6557470319842
64 10610209857723
65 17167680177565
66 27777890035288
67 44945570212853
68 72723460248141
69 117669030460994
70 190392490709135
71 308061521170129
72 498454011879264
73 806515533049393
74 1304969544928657
75 2111485077978050
76 3416454622906707
77 5527939700884757
78 8944394323791464
79 14472334024676221
80 23416728348467685
81 37889062373143906
82 61305790721611591
83 99194853094755497
84 160500643816367088
85 259695496911122585
86 420196140727489673
87 679891637638612258
88 1100087778366101931
89 1779979416004714189
90 2880067194370816120
91 4660046610375530309
92 7540113804746346429
......

“斐波那契数列”的发明者,是意大利数学家列昂纳多·斐波那契(Leonardo Fibonacci,生于公元1170年,卒于1240年。籍贯大概是比萨)。他被人称作“比萨的列昂纳多”。1202年,他撰写了《珠算原理》(Liber Abaci)一书。他是第一个研究了印度和阿拉伯数学理论的欧洲人。他的父亲被比萨的一家商业团体聘任为外交领事,派驻地点相当于今日的阿尔及利亚地区,列昂纳多因此得以在一个阿拉伯老师的指导下研究数学。他还曾在埃及、叙利亚、希腊、西西里和普罗旺斯研究数学。

斐波那契数列指的是这样一个数列:1,1,2,3,5,8,13,21……
这个数列从第三项开始,每一项都等于前两项之和。它的通项公式为:(1/√5)*{[(1+√5)/2]^n - [(1-√5)/2]^n}【√5表示根号5】
很有趣的是:这样一个完全是自然数的数列,通项公式居然是用无理数来表达的。

【该数列有很多奇妙的属性】

比如:随着数列项数的增加,前一项与后一项之比越逼近黄金分割0.6180339887……
还有一项性质,从第二项开始,每个奇数项的平方都比前后两项之积多1,每个偶数项的平方都比前后两项之积少1。
如果你看到有这样一个题目:某人把一个8*8的方格切成四块,拼成一个5*13的长方形,故作惊讶地问你:为什么64=65?其实就是利用了斐波那契数列的这个性质:5、8、13正是数列中相邻的三项,事实上前后两块的面积确实差1,只不过后面那个图中有一条细长的狭缝,一般人不容易注意到。

如果任意挑两个数为起始,比如5、-2.4,然后两项两项地相加下去,形成5、-2.4、2.6、0.2、2.8、3、5.8、8.8、14.6……等,你将发现随着数列的发展,前后两项之比也越来越逼近黄金分割,且某一项的平方与前后两项之积的差值也交替相差某个值。

斐波那契数列的第n项同时也代表了集合{1,2,...,n}中所有不包含相邻正整数的子集个数。

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