@[GREATchen](/user/1176438)
```cpp
#include<bits/stdc++.h>
using namespace std;
const int N=10;
int num[N];
int main()
{
for(int i=0;i<3;i++)
cin>>num[i];
sort(num,num+3);
int a=num[0],b=num[1],c=num[2];
if(c-b>=a||a+b<=c){printf("Not triangle\n");return 0;}; //如果不是三角形就要结束程序
if(a*a+b*b==c*c)printf("Right triangle\n");
if(a*a+b*b>c*c)printf("Acute triangle\n");
if(a*a+b*b<c*c)printf("Obtuse triangle\n");
if(a==b||b==c||a==c)printf("Isosceles triangle\n");
if(a==b&&b==c)printf("Equilateral triangle\n");
return 0;
}
```
by hexuchen @ 2023-11-10 17:38:17
@[GREATchen](/user/1176438) 求关注~
by hexuchen @ 2023-11-10 17:41:14
```cpp
#include<bits/stdc++.h>
using namespace std;
const int N=10;
int num[N];
int main()
{
for(int i=0;i<3;i++)
cin>>num[i];
sort(num,num+3);
int a=num[0],b=num[1],c=num[2];
if(c-b>=a||a+b>=c){printf("Not triangle\n");return 0;};
if(a*a+b*b==c*c)printf("Right triangle\n");
if(a*a+b*b>c*c)printf("Acute triangle\n");
if(a*a+b*b<c*c)printf("Obtuse triangle\n");
if(a==b||b==c||a==c)printf("Isosceles triangle\n");
if(a==b&&b==c)printf("Equilateral triangle\n");
return 0;
}
```
@[hexuchen](/user/945742) 大佬，我不知道为什么分数更低了
by GREATchen @ 2023-11-10 19:35:33
@[GREATchen](/user/1176438) ？我提交这份代码是AC的啊？
by hexuchen @ 2023-11-10 20:20:07
@[hexuchen](/user/945742) okok,过了谢谢，已关注
by GREATchen @ 2023-11-10 20:30:47