摘要： #include<stdio.h>#include<string.h>#include<stdlib.h>int c1[300],c2[300],N=290;void fun( ){ int i,j,k; for(i=0;i<=N;i++) { c1[i]=1; c2[i]=0; } for(i=2;i*i<=N;i++) { for(j=0;j<=N;j++) for(k=0;k+j<=N;k+... 阅读全文