for loop - statement with no effect

Question

For some reason I\'m getting an error: statement with no effect on this statement.

for (j = idx; j < iter; j + increment) {
    printf(\"from lo         


        

Answer 1

I think you meant j += increment, as j + increment doesn't actually alter j or indeed have any side effects at all - it is a statement with no effect, which is what the compiler is telling you