题解

#include<iostream>
using namespace std;
int main(){
int a,b,c,p = 1;//输入三条边的长度
cin >> a >> b >> c;
if(a + b <= c){
p = 0;
}
if(b + c <= a){//对于每条线进行判断是否符合三角形要求
p = 0;
}
if(a + c <= b){
p = 0;
}
if(p == 0){
cout << "no" << endl;输出
} else {
cout << "yes" << endl;
}
return 0;
}