Question

How to find the remainder without using modulo operator in C++

Answer 1

#include <iostream>
 
int main(void) {
    int n = 26, divisor = 7;
  
    int remainder = n;
    
    while (remainder >= divisor) {
        remainder = remainder - divisor;
    }

    std::cout << "The remainder is: " << remainder;
}
  
  
  
  
/*
run:
  
The remainder is: 5
  
*/

 

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Answer 2

#include <iostream>

int main(void) {
    int n = 26, divisor = 7;
 
    int remainder = n - divisor * (n / divisor);
 
    std::cout << "The remainder is: " << remainder;
}
 
 
 
 
/*
run:
 
The remainder is: 5
 
*/

 

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