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  1. #include<stdio.h>
  2. #include<math.h>
  3. int main(){
  4.     int n;
  5.     scanf("%d",&n);
  6.     n--;
  7.     int k=sqrt(n)+0.1;
  8.     while(n%k!=0){
  9.         k--;
  10.     }
  11.     printf("%d %d",k,n/k);
  12.     return 0;
  13. }
Success #stdin #stdout 0s 5288KB
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129 254
https://ideone.com/C1Rt2f
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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