摘要:
先来一个标准的归并版FFT 2881ms#include#include#include#include#define D doubleusing namespace std;struct Z{ D x,y; } a[280010],b[280010],z[280010];inline Z oper... 阅读全文
摘要:
先来一个标准的归并版FFT 2881ms#include#include#include#include#define D doubleusing namespace std;struct Z{ D x,y; } a[280010],b[280010],z[28001... 阅读全文