书本二三四五章

#第二章1

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第二章
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#define NAME "曾"
#define SURNAME "钰芝"

int main(){

    printf("%s %s\n",NAME,SURNAME);
    printf("%s\n%s\n",NAME,SURNAME);
    printf("%s ",NAME);
    printf("%s\n",SURNAME);

    return 0;
}

#第二章2

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#define NAME "曾钰芝"
#define ADDRESS "No.10 Hangzhou Xiaoshan Yaqian Huitouzhanglu"

int main(void) {

    printf("%s\n",NAME);
    printf("%s\n",ADDRESS);
    
    return 0;
}

#第二章3

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第二章3
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#define DAYS_PER_YEAR 365

int main(){
    int age,days;
    age = 18;
    days = age*DAYS_PER_YEAR;
    printf("You age is %d, and It is %d. \n",age,days);

    return 0;
}

#第二章4

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第二章4
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int jolly(void);
int deny(void);

int main(void) {
    jolly();
    jolly();
    jolly();
    deny();

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

#第二章5

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第二章5
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int br(void);
int ic(void);

int main(void) {
    br();

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

#第二章6

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第二章6
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int main(void) {
    int toes;
    toes = 10;
    printf("The Variable toes = %d.\n",toes);
    printf("double toes = %d\n",2*toes);
    printf("toes' square = %d.\n",toes*toes);
    
    return 0;
}

#第二章7

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第二章7
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#include<stdio.h>
int main(void) {
    smile();smile();smile();
    printf("\n");
    smile();smile();
    printf("\n");
    smile();
    return 0;    
}
int smile(void){
    printf("Smile!");
    return 0;
}

#第二章8

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第二章8
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int one_three(void);
int two(void);
int main(void) {
    printf("Starting now!!!:\n");
    one_three();
    printf("Go!\n");
    return 0;
}
int one_three(void){
    printf("three\n");
    two();
    printf("three\n");
    return 0;
}
int two(void){
    printf("two\n");
    return 0;
}

#第三章1

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章1
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#include<float.h>
#include<limits.h>
int main(void) {
    int big_int = 2147483647;

    float big_float = 3.4e38;

    float small_float = 10.0/3;

    printf("The big int data is %d\n",big_int+1);
    printf("The big float data is %f\n",big_float*10);
    printf("The big float data is %f\n",small_float);
    printf("The MAX float data is %f\n",FLT_MAX);
    printf("The MAX int data is %1d\n",INT_MAX);

    return 0;
}

#第三章2

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章2
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int main(void) {
    int input;
    printf("Enter a vaule of char int ASCII:");
    scanf("%d,&input");
    printf("You input vaule is %d, and char is %c\n",input,input);
    return 0;
}

#第三章3

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章3
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int main(void) {
    char ch = '\a';
    printf("%c",ch);
    printf("Starled by the sudden sound, Sally shouted, \n");
    printf("\"By the Great Pumpkin,what was that!\"\n");
    
    return 0;
}

#第三章4

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章4
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int main(void) {
    float input;
    printf("Enter a floating-point value:");
    scanf("%f",&input);
    printf("fixed-point notation: %f\n",input);
    printf("exponential notation: %e\n",input);
    printf("p notation: %a\n",input);

    return 0;
}

#第三章5

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章5
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#define SEC_PER_YEAR 3.156e7

int main(void) {
    float second,year;

    printf("Enter how many years old you are:");
    scanf("%f",&year);

    second = year*SEC_PER_YEAR;
    printf("You are: %.1f years old.\n",year);
    printf("And you are %e seconds old,too.\n",second);
    return 0;
}

#第三章6

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章6
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#define MASS_PER_MOLE 3.0e-23
#define MASS_PER_QUART 950

int main(void) {
    float quart,quantity;
    printf("Enter how many quart:");
    scanf("%f",&quart);

    quantity = quart*MASS_PER_QUART/MASS_PER_MOLE;
    printf("There are %e molecule.\n",quantity);
    return 0;
}

#第三章7

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章7
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#define INCH_TO_CM 2.54

int main(void) {
    float inch,cm;
    printf("Enter the inch of your heigh:");
    scanf("%f",&inch);
    cm = inch*INCH_TO_CM;

    printf("Hi ,your are %0.2f inch ,or %.2f cm heigh\n",inch,cm);

    return 0;
}

#第三章8

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第三章8
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
#define PINT_CUP 2
#define CUP_OUNCE 8
#define OUNCE_SPOON 2
#define SPOON_TEA 3

int main() {
    float pint,cup,ounce,spoon,tea_spoon;
    printf("Enter how many cup:");
    scanf("%f",&cup);
    pint = cup/PINT_CUP；
    ounce = cup*CUP_OUNCE;
    spoon = OUNCE_SPOON;
    tea_spoon = spoon*SPOON_TEA;

    printf("%.1f cup equals %.1f pint, %.1f ounce, %.1f spoon, %.1f tea_spoon.\n",cup,pint,ounce,spoon,tea_spoon);
    return 0;
}

#第四章1

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 15:36:11
 * @LastEditTime: 2020-11-15 15:52:09
 * @LastEditors: Please set LastEditors
 * @Description: 书本第四章1
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。.c
 */
int main() {
    char name[40];
    char surname[40];
    printf("Please input your first name:");
    scanf("%s",name);
    printf("Please input your last name:");
    scanf("%s",surname);
    printf("Hello, %s%s!!!",name,surname);
    return 0;
}

#第四章2

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第四章2
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main() {
    char name[40];
    int width;
    printf("Please input your name:");
    scanf("%s",name);
    width = printf("\"%s\"\n.",name);
    width -= 4;
    printf("\"%20s\".\n",name);
    printf("\"%-20s\".\n",name);
    printf("\"%*s\".",(width+3),name);
    printf("\"%*s".",(width+3),name);
    return 0;
}

#第四章3

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description:书本第四章3
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main() {
    float input;
    printf("Enter a float number:");
    scanf("%f",&input);
    printf("The input is %.1f or %.1e \n",input,input);

    return 0;
}

#第四章4

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第四章4
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main() {
    float heigh;
    char name[40];
    scanf("%s",name);
    printf("Enter your name :");
    scanf("%s",name);
    printf("Hi %s, how tall you are( inch ):",name);
    scanf("%f"&heigh);
    printf("%s, you are %.3f feet tall \n",name,heigh\12.0)
    
    return 0;
}

#第四章5

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第四章5
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main() {
    float speed,size,time;
    printf("Pleast input the net speed(megabits per second):");
    scanf("%f",&speed);
    printf("Pleast input the file size(megabyte):");
    scanf("%f",&size);

    time = size*8/speed;
    printf("At %.2f megabits per second, a file of %.2f megabytes download in%.2f second.",speed,size,time);
    
    return 0;
}

#第四章6

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第四章6
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main() {
    char name[40],surname[40];
    int wname, wsurname;
    printt("Please input your first name:");
    scanf("%s",name);
    printf("Please input your last name:");
    scanf("%s",surname);
    wname = printf("%s",name);
    printf(" ");
    wsurname = printf("%s",surname);
    printf("\n%*d %*d",wname,wname,wsurname,wsurname);

    return 0;
}

#第四章7

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第四章7
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
#include<float.h>
int main() {
    double d_third = 1.0/3.0;
    float f_third = 1.0/3.0;
    printf("float of one third(6) = %.6f\n",f_third);
    printf("float of one third(12) = %.12f\n",f_third);
    printf("double of one third(16) = %.16f\n",f_third);
    printf("double of one third(6) = %.61f\n",d_third);
    printf("double of one third(12) = %.121f\n",d_third);
    printf("double of one third(16) = %.161f\n",d_third);
    printf("FLT_DIG in float.h is %d\n",FLT_DIG);
    printf("DBL_DIG in float.h is %d\n",DBL_DIG);

    return 0;
}

#第四章8

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第四章8
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
#define GALLON_TO_LITRE 3.785
#define MILE_TO_KM 1.609

int main(){
    float range,oil;
    printf("Plaest input the range you traveled(in mile):");
    scanf("%f",&oil);
    printf("In UAS, your oil wear is %.1f M/G\n",range/oil);
    printf("In Europe, your iol wear is %.1fL/100KM",(oil*GALLON_TO_LITRE)/(range*MILE_TO_KM));

    return 0;
}

#第五章1

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章1
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
#define MIN_PER_HOU 60
int main(int argc, char *argv[]) {
    int hours, minutes, input;
    printf("CONVERT MINUTES TO HOURS!\n");
    printf("PLEASE INPUT THE NUMBER OF MINUTES( <=0 TO QUIT ):");
    scanf("%d",&input);
    while(input >0){
        hours = input/MIN_PER_HOU;
        minutes = input&MIN_PER_HOU;
        printf("CONVERT TO &d HOUR %d MINUTES\n",hours,minutes);
        printf("PLEASE CONTINUE INPUT THE NUMBER OF MINUTES( <=0 TO QUIT):");
        scanf("%d",&input);
    }
    printf("PROGRAM EXIT!\n");
}

#第五章2

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章2
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main(int argc, char *argv[]) {
    int counter, i = 0;
    printf("PRINT COUNTINUE 10 NUMBERS!\n");
    printf("PLEASE INPUT THE START NUMBER :");
    scanf("%d",&counter);

    while(i++ < 11){
        printf(" %d \n",counter++);
        }
        printf("PROGRAM EXIT!\n");
        return 0;
}

#第五章3

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章3
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
#define WEEK_PER_DAY 7
int main(int argc,char *argv[]) {
    int days, weeks, input;

    printf("CONVERT DAYS TO WEEKS!\n");
    printf("PLEASE INPUT THE NUMBER OF DAYS( <=0 TO QUIT):");
    scanf("%d",&input);

    while(input >0) {
        weeks = input/WEEK_PER_DAY;
        days = input&WEEK_PER_DAY;
        printf("%d days are %d weeks, %d days\n",input,weeks,days);
        printf("PLEASE INPUT THE NUMBER OF DAYS( <=0 TO QUIT ):");
        scanf("%d",&input);
    }
    printf("PROGRAM EXIT!\n");
    return 0;
}

#第五章4

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章4
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
#define FEET_TO_CM 30.48
#define INCH_TO_CM 2.54

int main(int argc, char *argv[]) {
    int feet;
    float inches, cm;
    printf("CONVERT CM TO INCHES!\n");
    printf("Enter the height in centimeters:");
    scanf("%f",&cm);

    while(cm > 0){
        feet = cm/FEET_TO_CM;
        inches = (cm/FEET_TO_CM)/INCH_TO_CM;
        scanf("%f",&cm);
    }
    printf("PROGRAM EXIT!\n");
    return 0;
}

#第五章5

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章5
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main(int argc, char *argv[])  {
    int count = 0, sum= 0;
    printf("Enter the number of days you work:");
    scanf("%d",&count);
    while(count > 0){
        sum = sum +count--;        
    }
    printf("You earned $ %d total!\n",sum);
    printf("PROGRAM EXIT!\n");
    return 0;
}

#第五章6

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章6
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main(int argc, char *argv[]) {
    int count = 0, sum = 0;
    printf("Enter the number of days you work:");
    scanf("%d",&count);
    while(count > 0);{
        sum = sum +count * count;
        count--;
    }

printf("You earned $ %d total!\n",sum);
printf("PROGRAM EXIT!\n");
return 0;
}

#第五章7

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章7
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
double cubic(double n);
int main(int argc, char *argv[]) {
    double input;
    printf("Enter the double datum to calc cubic :");
    scanf("%1f",&input);
    cubic(input);
    printf("PROGRAM EXIT!\n");
    return 0;
}
    double cubic(double n){
        double t = n*n*n;
        printf("The %1g's cubic is %1g !\n",n,t);;
        return t;
}

#第五章8

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章8
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int main(int argc, char *argv[]) {
    int first, second;
    printf("This program computes moduli.\n");
    printf("Enter an integer to server as the second operand:");
    scanf("%d",&second);

    printf("Now enter the first operand:");
    scanf("%d",&second);

    while(first > 0){
        printf("%d %% %d is %d\n",first,second,(first%second));
        printf("Enter next number for first operand( <= 0 to quit):");
        scanf("%d",&first);
        return 0;
    }
}

#第五章9

/*
 * @Author:曾钰芝
 * @Date: 2020-11-15 16:16:26
 * @LastEditTime: 2020-11-15 16:16:26
 * @LastEditors: your name
 * @Description: 书本第五章9
 * @FilePath: \undefinedc:\Users\wangfuren\Desktop\秃头c\。。。。。。。。.c
 */
int Tempratures(double fahrenheit);
int main(int argc, char *argv[]) {
    double input;
    printf("This program convert farhenheit to celsius and kelvin.\n");
    printf("Enter a fahrenheit to start : ");
    while(scanf("%1f",&input == 1){
        Temperatures(input);
        printf("Enter next fahrenheit! ( q to quit):");
    }
    printf("Done!\n");
    return 0; 
}
int Temperatures(double fahrenheit){
    const double F_TO_C = 32.0;
    const double C_TO_K = 273.16;
    double celsius ,kelvin;
    celsius = 5.0/9.0*(fahrenheit - F_TO_C);
    kelvin = celsius + C_TO_K;
    printf("%.2f. fahrenheit, equal %.2f celuius, and %.2f kelvin\n",fahrenheit,celsius,kelvin);
    return 0;
}

来源：oschina

链接：https://my.oschina.net/u/4776602/blog/4718135