c语言实例

/* Note:Your choice is C IDE */1

输出字母C的图案

#include "stdio.h"

#include "conio.h"

main()

{

printf("Hello C-world!\n");

printf(" ****\n");

printf(" *\n");

printf(" * \n");

printf(" ****\n");

}

/* Note:Your choice is C IDE */2

三个数由小到大输出

#include "stdio.h"

#include "conio.h"

main()

{

int x,y,z,t;

scanf("%d%d%d",&x,&y,&z);

if (x>y)

{t=x;x=y;y=t;} /*交换x,y的值*/

if(x>z)

{t=z;z=x;x=t;} /*交换x,z的值*/

if(y>z)

{t=y;y=z;z=t;} /*交换z,y的值*/

printf("small to big: %d %d %d\n",x,y,z);

}

/* Note:Your choice is C IDE */3

计算企业奖金利润提成

#include "stdio.h"

#include "conio.h"

main()

{

double i;

double bonus1,bonus2,bonus4,bonus6,bonus10,bonus;

scanf("%lf",&i);

bonus1=100000*0.1;

bonus2=bonus1+100000*0.75;

bonus4=bonus2+200000*0.5;

bonus6=bonus4+200000*0.3;

bonus10=bonus6+400000*0.15;

if(i<=100000)

bonus=i*0.1;

else if(i<=200000)

bonus=bonus1+(i-100000)*0.075;

else if(i<=400000)

bonus=bonus2+(i-200000)*0.05;

else if(i<=600000)

bonus=bonus4+(i-400000)*0.03;

else if(i<=1000000)

bonus=bonus6+(i-600000)*0.015;

else

bonus=bonus10+(i-1000000)*0.01;

printf("bonus=%lf",bonus);

}

/* Note:Your choice is C IDE */4

判断一年的第几天

#include "stdio.h"

#include "conio.h"

main()

{

int day,month,year,sum,leap;

printf("\nplease input year,month,day\n");

scanf("%d,%d,%d",&year,&month,&day);

switch(month) /*先计算某月以前月份的总天数*/

{

case 1:sum=0;break;

case 2:sum=31;break;

case 3:sum=59;break;

case 4:sum=90;break;

case 5:sum=120;break;

case 6:sum=151;break;

case 7:sum=181;break;

case 8:sum=212;break;

case 9:sum=243;break;

case 10:sum=273;break;

case 11:sum=304;break;

case 12:sum=334;break;

default:printf("data error");break;

}

sum=sum+day; /*再加上某天的天数*/

if(year%400==0||(year%4==0&&year%100!=0)) /*判断是不是闰年*/

leap=1;

else

leap=0;

if(leap==1&&month>2) /*如果是闰年且月份大于2,总天数应该加一天*/

sum++;

printf("It is the %dth day.",sum);

}

/* Note:Your choice is C IDE */5

水仙花数

#include "stdio.h"

#include "conio.h"

main()

{

int i,j,k,n;

printf("'water flower'number is:");

for(n=100;n<1000;n++)

{

i=n/100;/*分解出百位*/

j=n/10%10;/*分解出十位*/

k=n%10;/*分解出个位*/

if(i*100+j*10+k==i*i*i+j*j*j+k*k*k)

printf("%-5d",n);

}

}

/* Note:Your choice is C IDE */6

兔子问题

#include "stdio.h"

main()

{

long f1,f2;

int i;

f1

=f2=1;

for(i=1;i<=20;i++)

{

printf("%12ld %12ld",f1,f2);

if(i%2==0) printf("\n"); /*控制输出，每行四个*/

f1=f1+f2; /*前两个月加起来赋