include<stdio.h>
include<stdlib.h>
int main()
{
printf(" O 0\n");
printf("
printf("I I I I\n");
system("pause");
return 0;
}
include<stdio.h>
include<stdlib.h>
int main()
{ float a,b,c;
scanf("%f%f%f",&a,&b,&c);
if(a+b>c&&a+c>b &&b+c>a)
printf("能构成三角形");
else
printf("不能构成三角形");
system("pause");
return 0;
}
include<stdio.h>
include<stdlib.h>
int main()
{
char ans1,ans2;
printf("每次课前认真预习,课后及时复习了没?(输入y或Y表示有,输入n或N表示没有)