1#include <stdlib.h>
2#include <stdio.h>
34
int func(int num);
5void print_int(int num);
6void print_ln();
78
int main() {
9int i;
1011
for (i = 0; i < 10; i++) {
12print_int(func(i));
13}
1415
print_ln();
1617
return 0;
18}
1920
int func(int num) {
21return num * num;
22}
2324
void print_int(int num) {
25printf("%d", num);
26}
2728
void print_ln() {
29printf("\n");
30}
31