#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 y;
printf("input the year:");
scanf("%d",&y);
if ((y%4==0&&y%100!=0)||(y%400==0))
printf("year:%d,month:2,days:28",y);
else printf("year:%d,month:2,days:29",y);
return 0; }
#include<stdio.h>
int main(){
int a,b,c;
printf("请输入三个实数") ;
scanf("%d%d%d",&a,&b,&c);
do { if(a==b==c)
printf("该三角形为等边三角形");
else if(a==b||b==c||a==c)
printf("该三角形为等腰三角形");
else if("a*a+b*b==c*c||b*b+c*c==a*a||a*a+c*c==b*b")
printf("该三角形为直角三角形");
else
printf("该三角形为普通三角形");
break; }
while (a-b<c||a-c<b||b-c<a) ;
if(a-b>c||a-c>b||b-c>a)
printf("不构成三角形");
return 0; }
#include<stdio.h>
int main(){
double a,rate,tax,profit;
printf("输入奖金数:");
scanf("%lf",&a);
if(a<500)
{rate=0; tax=0; profit=a;}
else if(a>=500&&a<1000)
{rate=0.05;
tax=(a-500)*0.05;
profit=a-tax; }
else if(a>=1000&&a<2000)
{rate=0.08;
tax=500*0.05+(a-1000)*0.08;
profit=a-tax; }
else if(a>=200&&a<5000)
{rate=0.10;
tax=500*0.05+1000*0.08+(a-2000)*0.10;
profit=a-tax; }
else
{rate=0.15;
tax=500*0.05+1000*0.08+3000*0.10+(a-5000)*0.15;
profit=a-tax; }
printf("%f %f %f %f",a,rate,tax,profit);
return 0; }
else printf("year:%d,month:2,days:29",y);
return 0; }
