#include<stdio.h> int fun(int i) { int sum=0,j; for(j=1;j<i;j++) { if(i%j==0) sum+=j; } return sum; } int main() { int m,n,i,j,s[100],k; scanf("%d%d",&m,&n); for(i=m;i<n;i++) { if(fun(fun(i))==i&&i<fun(i)) printf("%d %d\n",i,fun(i)); } return 0; } |
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