尤拉計畫 第二題

2021-06-29 04:06:06 字數 662 閱讀 6791

斐波那契數列中的每一項被定義為前兩項之和。從1和2開始,斐波那契數列的前十項為:

1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...

考慮斐波那契數列中數值不超過4百萬的項,找出這些項中值為偶數的項之和。

源**

stdmethodimp coula::test2(int imaxnumber)

//printf("%d\n",ifinalnumber);//printf number for test.

ifirstnumber = isecondnumber;

isecondnumber = ifinalnumber;

ifinalnumber = ifirstnumber + isecondnumber;

} printf("the test 2 sum is %d.\n",isumnunber);

return s_ok;

}

函式呼叫

#define test2_number 4000000

ioula->test2(test2_number);

輸出

the test 2 sum is 4613732.

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