c - Can someone explain why my for loop stops at the wrong place -

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sorry if dumb mistake i'm beginner. i'm answering question in book c programming modern approach. asks print squares between 1 , number given.

this original code:

#include <stdio.h>  int main(void) {   int n, i;    printf("enter number: ");   scanf ("%d", &n);    (int = 2; <= n ; += 2) {     printf("%d %d\n", * i, n);   }    return 0; }

the problem stop once hits ten thousand divided "n" inside loop:

for (int = 2; <= n / 10 ; += 2) {   printf("%d %d\n", * i, n); }

can explain why happens

the loop check should i * <= n if want squares stop before n

  (int = 2; * <= n ; += 2) {

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