C Primer Plus（第6版）第二章答案

#include <stdio.h>

int main (void) {
printf ("Gustav Mahler\n");
printf ("Gustav\nMahler\n");
printf ("Gustav ");
printf ("Mahler");

return 0;
}

#include <stdio.h>

int main (void) {
printf("Name:name\nAddress:address");

return 0;
}

#include <stdio.h>

int main (void) {
int age = 20;

printf ("age:%d\ndays:%d", age, age * 365);

return 0;
}

#include <stdio.h>

void jolly (void);
void deny (void);

int main (void) {
int i;

for(i = 0; i < 3; i++)
jolly ();
deny ();

return 0;
}

void jolly (void) {
printf ("For he's a jolly good fellow!\n");
}

void deny (void) {
printf ("Which nobody can deny!\n");
}

#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");
}

#include <stdio.h>

int main (void) {
int toes = 10;

printf("%d\n%d\n%d", toes, toes * 2, toes* toes);

return 0;
}

#include <stdio.h>

void Print (void);

int main (void) {
int i, j;

for (i = 3; i > 0; i--) {
for(j = 0; j < i; j++) {
Print ();
}
printf("\n");
}

return 0;
}

void Print (void) {
printf("Smile!");
}

#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");
}