1 #include <cstdio> 2 #include <iostream> 3 4 using namespace std; 5 6 int main() 7 { 8 int k; 9 cin>>k; 10 11 int count=0; 12 13 for(int y=k+1;y<=2*k;y++) 14 { 15 int x=y*k/(y-k); 16 17 if(y*k*1.0/(y-k)-x==0 && x>=y) 18 printf("1/%d=1/%d+1/%d\n",k,x,y),count++; 19 } 20 21 printf("%d\n", count); 22 return 0; 23 }
转载于:https://www.cnblogs.com/tclan126/p/7406806.html
