ACM 10168 Q10168 Summation of Four Primes
利用:Goldbach's Conjecture 哥德巴赫猜想去做切割,+上線性篩法/***********************************************************/#include<stdio.h>#include<stdlib.h>char line[10000001]={0};void Goldbach (int n){ int a; for(a=3;a<=n/2;a=a+2) ...
