1
#include "stdafx.h" #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); putchar('\n'); return 0;
}
2
#include "stdafx.h"
#include <stdio.h>
int main(){
int year;
printf("input the year:");
scanf("%d",&year);
if (year%4!=0){
printf("year:%d,month:2,days:28\n",year);
}
else if(year%100!=0){
printf("year:%d,month:2,days:29\n",year);
}
else if(year%400!=0){
printf("year:%d,month:2,days:29\n",year);
}
else {
printf("year:%d,month:2,days:28\n",year);
}
return 0;
}
3
#include "stdafx.h" #include <stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); if((a+b<c)||(a-b>c)){ printf("不能构成三角形\n"); } else if((a==b)||(b==c)||(c==a)){ printf("此三角形为等腰三角形\n"); } else if((a==b)&&(b==c)){ printf("此三角形为等边三角形\n"); } else if((a*a==b*b+c*c)||(b*b==a*a+c*c)||(c*c==b*b+a*a)){ printf("此三角形为直角三角形\n"); } else{ printf("此三角形为一般三角形\n"); } return 0;
}
4
#include <stdio.h>
int main(){
double a,b,c,d;
scanf("%lf",&a);
if(a<500){
b=0.00;
c=a*b;
d=a*(1-b);
printf("a=%lf,rate=%lf,tax=%lf,profit=%lf\n",a,b,c,d);
}
else if((a>=500)&&(a<1000)){
b=0.05;
c=a*b;
d=a*(1-b);
printf("a=%lf,rate=%lf,tax=%lf,profit=%lf\n",a,b,c,d);
}
else if((a>=1000)&&(a<2000)){
b=0.08;
c=a*b;
d=a*(1-b);
printf("a=%lf,rate=%lf,tax=%lf,profit=%lf\n",a,b,c,d);
}
else if((a>=2000)&&(a<5000)){
b=0.10;
c=a*b;
d=a*(1-b);
printf("a=%lf,rate=%lf,tax=%lf,profit=%lf\n",a,b,c,d);
}
else{
b=0.15;
c=a*b;
d=a*(1-b);
printf("a=%lf,rate=%lf,tax=%lf,profit=%lf\n",a,b,c,d);
}
return 0;
#include "stdafx.h"
#include <stdio.h>
int main()
{
double a,rate,tax,profit;
int b;
printf("请输入奖金:");
scanf("%lf",&a);
b=a/500;
switch(b)
{
case 0:rate=0.00;break;
case 1:rate=0.05;break;
case 2:rate=0.08;break;
case 3:rate=0.08;break;
case 4:rate=0.10;break;
case 5:rate=0.10;break;
case 6:rate=0.10;break;
case 7:rate=0.10;break;
case 8:rate=0.10;break;
case 9:rate=0.10;break;
default:rate=0.15;
}
tax=a*rate;
profit=a-tax;
printf("税率:%.2f\n应交税款:%.2f\n实得奖金:%.2f\n",rate,tax,profit);
return 0;
}