P2按要求补全表达式

---恢复内容开始---

#include<stdio.h>

int main ()

{
   int x;

printf("输入一个整数");

scanf("%d",&x);

if(x%2==1)

printf("是奇数");

else

printf("是偶数");

return 0;

}

#include<stdio.h>

int main()

{
  int days;

printf("输入一个整数：\n");

scanf("%d",&days);

if(days>=1&&days<=5)

printf("workdays,fighting\n");

else if(days==6&&days==7)

printf("weekend,relax~\n");

else

printf("Ooops,not in 1~7\n");

return 0;

}

#include<stdio.h>

int main()

{
  char c;

printf("输入一个字符\n");

scanf("%c",&c);

if(c>=97)

c=c-32;

printf("%c\n",c);

return 0;

}