Operators Statements C++ Tutorial

#include  
using namespace std; 
 
int main() 

  int i; 
 
  for(i=0; i<5; i++) { 
    switch(i) { 
      case 0: cout << "less than 1\n"; 
      case 1: cout << "less than 2\n"; 
      case 2: cout << "less than 3\n"; 
      case 3: cout << "less than 4\n"; 
      case 4: cout << "less than 5\n"; 
    } 
    cout << '\n'; 
  } 
 
  return 0; 
}
less than 1
less than 2
less than 3
less than 4
less than 5
less than 2
less than 3
less than 4
less than 5
less than 3
less than 4
less than 5
less than 4
less than 5
less than 5