#include<stdio.h> #include<math.h> int sum_yinzi(int n) { int sum=0; for(int i=1;i<n;i++) { if(n%i==0) { sum=sum+i; } } return sum; } int main() { int m,n; scanf("%d %d",&m,&n); for(int i=m;i<=n;i++) { int j=0; j=sum_yinzi(i); if(sum_yinzi(j)==i&&j!=i&&i<j) printf("%d %d\n",i,j); } return 0; } |
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