第七章分数拆分

 

 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