[C Primer Plus Chapter II after class programming questions]

2.1

#include <stdio.h>
int main (void)
{
    
    printf("Gustav Mahler\n");
    printf("Gustav\n");
    printf("Mahler\n");
    printf("Gustav Mahler");

    return 0;
}

//
// Created by Chen on 2022/6/26.
//

2.2

#include <stdio.h>
int main (void)
{
    
    printf("Diago\n");
    printf("China");

    return 0;
}

//
// Created by Chen on 2022/6/26.
//

2.3

#include <stdio.h>
int main (void)
{
    
    int year;

    year=30;

    printf("%d %d",year,year*365);

    return 0;
}

//
// Created by Chen on 2022/6/26.
//

2.4

#include <stdio.h>
void jolly (void);
void deny (void);
int main (void)
{
    
    jolly();
    deny();

    return 0;
}
void jolly (void)
{
    
    printf("For he's a jolly good fellow!\n");
    printf("For he's a jolly good fellow!\n");
    printf("For he's a jolly good fellow!\n");
}
void deny (void)
{
    
    printf("Which nobody can deny!");
}

//
// Created by Chen on 2022/6/26.
//

2.5

#include <stdio.h>
void br (void);
void ic (void);
int main (void)
{
    
    br();
    ic();
    printf("India,China\n");
    printf("Brazil,Russia");

    return 0;
}
void br (void)
{
    
    printf("Brazil,Russia,");
}
void ic (void)
{
    
    printf("India,China\n");
}

//
// Created by Chen on 2022/6/26.
//

2.6

#include <stdio.h>
int main (void)
{
    
    int toes;

    toes=10;

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

    return 0;
}

//
// Created by Chen on 2022/6/26.
//

2.7

#include <stdio.h>
void smile (void);
int main (void)
{
    
    smile();
    smile();
    smile();
    printf("\n");
    smile();
    smile();
    printf("\n");
    smile();

    return 0;
}
void smile (void)
{
    
    printf("Smile!");
}
//
// Created by Chen on 2022/6/26.
//

2.8

#include <stdio.h>
void one_three (void);
void two (void);
int main (void)
{
    
    printf("starting now:\n");
    one_three();
    two();
    printf("three\n");
    printf("done!");
    return 0;
}

void one_three (void)
{
    
    printf("one\n");
}

void two (void)
{
    
    printf("two\n");
}
//
// Created by Chen on 2022/6/26.
//