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C 語言實例 – 斐波那契數列

C 語言實例 - 斐波那契數列

C 語言實例 C 語言實例

斐波那契數列指的是這樣一個數列 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233,377,610,987,1597,2584,4181,6765,10946,17711,28657,46368........

這個數列從第3項開始,每一項都等于前兩項之和。

實例 - 輸出指定數量的斐波那契數列

#include <stdio.h> int main() { int i, n, t1 = 0, t2 = 1, nextTerm; printf("輸出幾項: "); scanf("%d", &n); printf("斐波那契數列: "); for (i = 1; i <= n; ++i) { printf("%d, ", t1); nextTerm = t1 + t2; t1 = t2; t2 = nextTerm; } return 0; }

運行結果:

輸出幾項: 10
斐波那契數列: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34,

實例 - 輸出指定數字前的斐波那契數列

#include <stdio.h> int main() { int t1 = 0, t2 = 1, nextTerm = 0, n; printf("輸入一個正數: "); scanf("%d", &n); // 顯示前兩項 printf("斐波那契數列: %d, %d, ", t1, t2); nextTerm = t1 + t2; while(nextTerm <= n) { printf("%d, ",nextTerm); t1 = t2; t2 = nextTerm; nextTerm = t1 + t2; } return 0; }

運行結果:

輸入一個正數: 100
斐波那契數列: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89,

C 語言實例 C 語言實例

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