用 C 语言公式精确求 π 值，误差小于 10⁻⁷ 代码揭秘！

```c #include<stdio.h> int main(){ double pi = 0; int i = 1, sign = 1; while(1.0/i >= 1e-7){ pi += sign * 1.0/i; sign = -sign; i += 2; } pi = pi * 4; printf("pi = %.10f\n", pi); return 0; } ``` ######[AI写代码神器 | 180点数解答 | 2024-10-08 22:38:06]