#include <stdio.h>
int main(void) {
printf("For Loop\n");
int a, b;
for (a = 10; a <= 20; a++) {
printf("value of a: %d\n", a);
}
printf("\nNested For Loop\n");
for (a = 10; a <= 15; a++) {
for (b = 100; b <= 120; b = b + 15) {
printf("value of a: %d b: %d product: %d\n", a, b, a*b);
}
}
/* we need to fix a bug in this program */
printf("\nWhile Loop\n");
while (a < 20) {
printf("value of a: %d\n", a);
a++;
}
printf("\nWhile Loop over a string\n");
/* strings are null terminated */
char greeting[] = "Hello, world!";
int i = 0;
while (greeting[i]) {
printf("value of a: %c\n", greeting[i]);
i++;
}
a = 100;
printf("\nWhile Loop\n");
while (a < 20) {
printf("[while] value of a: %d\n", a);
a++;
}
printf("\nDo Loop\n");
do {
printf("[do] value of a: %d\n", a);
a++;
} while (a < 20);
return 0;
}
