实验二
#include<stdio.h>
int main(){
char a,b,c,d,e;
a=getchar();
b=getchar();
c=getchar();
d=getchar();
e=getchar();
putchar(a);
putchar(b);
putchar(c);
putchar(d);
putchar(e);
return 0;}
#include<stdio.h>
int main(){
int year;
printf("input the year:");
scanf("%d",&year);
if((year%4==0&&year%100!=0)||year%400==0)
printf("year:%d,month:2,days:29",year);
else
printf("year:%d,month:2,days:28",year);
return 0;}
#include<stdio.h>
void sanjiaoxing(int a,int b,int c);
int main(){
int a,b,c;
scanf("%d,%d,%d",&a,&b,&c);
sanjiaoxing(a,b,c);
return 0;
}
void sanjiaoxing(int a,int b ,int c){
if((a+b>c)&&(b+c>a)&&(a+c>b))
{
if((a*a+b*b)==c*c)
printf("直角三角形\n");
else if((a==b)||(b==c)||(a==c))
{
if((a==b)&&(a==c))
printf("等边三角形\n");
else
printf("等腰三角形\n");
}
else printf("一般三角形\n");
}
else
printf("error!!!!!!!!!!!!!!!!!!!!!!!!!\n");
}
#include<stdio.h>
void w(int a){
double rate,tax,profit;
if(a<500)
{rate=0.00;
tax=a*rate;
profit=a-a*rate;
printf("a=%d,rate=%f,tax=%f,profit=%f\n",a,rate,tax,profit);
}
else if(a>=500&&a<1000)
{rate=0.05;
tax=a*rate;
profit=a-a*rate;
printf("a=%d,rate=%f,tax=%f,profit=%f\n",a,rate,tax,profit);
}
else if(a>=1000&&a<2000)
{rate=0.08;
tax=a*rate;
profit=a-a*rate;
printf("a=%d,rate=%f,tax=%f,profit=%\nf",a,rate,tax,profit);
}
else if(a>=2000&&a<5000)
{rate=0.10;
tax=a*rate;
profit=a-a*rate;
printf("a=%d,rate=%f,tax=%f,profit=%f\n",a,rate,tax,profit);
}
else
{rate=0.15;
tax=a*rate;
profit=a-a*rate;
printf("a=%d,rate=%f,tax=%f,profit=%f\n",a,rate,tax,profit);
}
}
int main(){
int a;
scanf("%d",&a);
w(a);
return 0;
}
