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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     double x;
  8.     cin >> x;
  9.  
  10.     // Tìm số nguyên lớn nhất bé hơn hoặc bằng x
  11.     int lower = floor(x);
  12.  
  13.     // Tìm số nguyên nhỏ nhất lớn hơn x
  14.     int upper= lower + 1;
  15.  
  16.     cout << lower << " " << upper << endl;
  17.  
  18.     return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5272KB
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https://ideone.com/XHcLiA
language:
C++ (gcc 8.3)
created:
6 hours ago
visibility:
public

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