1.
#include <stdio.h>
int main(void) {
printf("Gustav Mahler\n");
printf("Gustav \nMahler\n");
printf("Gustav");
printf(" Mahler\n");
return 0;
}
3.
#include <stdio.h>
int main(void) {
int age_years = 25;
int age_days;
age_days = age_years * 365;
printf("Your Age is %d years old.\n", age_years);
printf("Your age is %d days old!", age_days);
return 0;
}
4.
#include <stdio.h>
void jolly(void);
void deny(void);
int main(void) {
jolly();
jolly();
jolly();
deny();
return 0;
}
void jolly(void) {
printf("For he's a jolly good fellow!\n");
}
void deny(void) {
printf("Which nobody can deny!");
}
5.
#include <stdio.h>
void br(void);
void ic(void);
int main(void) {
br();
printf(", ");
ic();
printf("\n");
ic();
printf(",\n");
br();
return 0;
}
void br(void) {
printf("Brazil, Russia");
}
void ic(void) {
printf("India, China");
}
6.
#include <stdio.h>
int main(void) {
int toes = 10;
printf("toes is %d\n", toes);
printf("toes twice is %d\n", toes * 2);
printf("toes squared is %d\n", toes * toes);
return 0;
}
7.
#include <stdio.h>
void smile(void);
int main(void) {
smile();
smile();
smile();
prinf("\n");
smile();
smile();
printf("\n");
smile();
return 0;
}
void smile(void) {
printf("Smile!");
}
8.
#include <stdio.h>
void one_three(void);
void two(void);
int main(void) {
printf("starting now:\n");
one_three();
printf("done!");
return 0;
}
void one_three(void) {
printf("one\n");
two();
printf("three\n");
}
void two(void) {
printf("two\n");
}