分数拆分

 

#include <stdio.h>#include <math.h>int main(){int n;scanf("%d",&n);while(n--){double k;scanf("%lf",&k);for(double y=1;y<=2*k;y=y+1){double x=((-1)*k*y)/(k-y);double p=(int)x;if(x-p==0&&x>0)printf("1/%.0lf=1/%.0lf+1/%.0lf\n",k,x,y);}}return 0;}