#include<stdio.h>
int main()
{int x;
printf("输入一个整数:\n");
scanf("%d",&x);
if(x%2==1)
printf("是奇数");
else
printf("是偶数") ;
return 0;
}
#include<stdio.h>
#include<stdlib.h>
int main (){
int days;
printf("输入一个整数:\n");
scanf("%d",&days);
if((days<6)&(days>0))
printf("workdays,fighting\n");
else if ((days>5)&(days<8))
printf("weekend,relax~");
else
printf("Ooops,not in 1~7\n");
return 0;
}
#include<stdio.h>
int main (){
char ch;
printf("输入一个字符:\n");
scanf("%c",&ch);
if(ch>96&&ch<123)
ch=ch-32;
printf("%c\n",ch);
return 0;
}
