programming-loops

Question

#include <stdio.h>

int main()

{

    int i = 3;

    while (i--)

     {

        int i = 100;

        i--;

        printf("%d ", i);

     }

    return 0;

}

Comments

99 99 99

---

at first i=3 so loop will run only 3 time and i inside is while loop is local w.r..t loop so first time

i=3

1.while(i--)

i=2

loc i=100

i--//loc i=99

print(99)

loc i destroyed

again 1 => i--   => i=2-1=1 same thing again repeat

so 99 99 99 will be output.