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CPP

++i vs i++

// ++i will increment the value of i, and then return the incremented value.

 i = 1;
 j = ++i;
 (i is 2, j is 2)

// i++ will increment the value of i, but return the original value that i held before being incremented.

 i = 1;
 j = i++;
 (i is 2, j is 1)

Comment

++i and i++

i++ : Assign then increment
++i : increment then Assign
Comment

what is ++i and i++

//Remember that the values are i = 10, and j = 10

i is 10 
i++ is 10     //Assigns (print out), then increments
i is 11 

j is 10 
++j is 11    //Increments, then assigns (print out)
j is 11
Comment

i++ and++i

#include <stdio.h>
int main() {
   int i=5,j;
   j=i++;
   printf ("
after postfix increment i=%d j=%d", i,j);
   i=5;
   j=++i;
   printf ("
 after prefix increment i=%d j=%d",i,j);
   return 0;
}
//output:
//after postfix increment i=6 j=5
// after prefix increment i=6 j=6
Comment

i++ i--

let x = 10;
while(x < 20) { //when x is less than 20
  x++; //add 1 to x
  console.log(x); //logs the numbers 11 - 20 to the console
}
Comment

what is ++i and i++

int i = 10, j = 10;
  
printf ("i is %i 
", i);
printf ("i++ is %i 
", i++);
printf ("i is %i 

", i);
  
printf ("j is %i 
", j);
printf ("++j is %i 
", ++j);
printf ("j is %i 
", j);
Comment

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